electric motor for sailboat inboard

HYBRID AND ELECTRIC MARINE POWER AND PROPULSION SYSTEMS

Zero Emission

No environmental restrictions

No high voltage risk

Remote System Interface

State of the art Lithium Ion battery technology

Safe installation and operation

Instant power output for maneuverability

Zero to full torque in an instant

No waiting for engine rev to settle

No pre-start warning beep

Best quality components available

Patented Technology

Hydro power regeneration

Superior thrust efficiency and energy capture

Remote diagnostics

Low maintenance

System Solutions for a Range of Marine Activity

THE FACTS ABOUT ELECTRIC POWER, BATTERIES AND PROPULSION

Today's electric motor technology has already moved from

the open road to the open ocean.

Instant High Torque

Electric motors are in constant ‘stand by’ mode; you can engage the control lever at any time for instant forward or reverse propulsion.

Electric motors achieve instant torque with Electromotive Force while internal combustion engines need to build RPMs gradually by increasing piston firing frequency.

Hydro Generation

At sailing speeds over 6 knots Oceanvolt systems are able to generate significant power for recharging the battery bank by activating at the touch of a button.

Power regeneration increases exponentially with each additional knot of speed.

Lithium Ion batteries are superior to other battery storage technology; highest storage capacity, high effective current delivery, high charge capacity resiliency and wide temperature range performance. In today's digital age, where everything is just a click away, 1xbet mobile takes a significant chunk of the online casino services sector. Starting as an online casino service in 2007, 1xBet expanded its services in 2014 to include sports betting. Fast forward to 2018, and they marked their entry into the Indian market. Their app and website, designed in a calming blue and white hue, are not just a treat for the eyes but are also super intuitive. With a support interface that covers 50 languages, including Hindi, the platform ensures that language is no barrier to placing your bet.

Oceanvolt highly skilled technical team ensures proper installation and system-optimization.  Only the highest quality Li-Ion batteries are used - to ensure performance and safety.

For those interested in a hybrid solution, generators are a highly efficient way to extend range while at sea.

DC generators have the advantage of rapid recharging capability.

AC generators are, generally, smaller and even portable which means that the generator can be aboard only in situations where longer motoring might be required.

Battery recharging is accomplished with shore connection, hydro generation (an integrated part of all Oceanvolt systems) and/or solar panels.

In Hybrid solutions , a generator (either AC or DC) can be used to recharge batteries / extend motoring range.

Integrated components

It is essential that all system components are properly selected and installed.

Our team of highly skilled technicians ensure that all components are compatible and that system management software is optimized.

Oceanvolt blog

WHITEPAPER: HORSEPOWER VS KILOWATT

Celebrating 20 Years of Oceanvolt!

HIRING: MECHANICAL ENGINEER

Owner testimonials.

Electric Beneteau Oceanis 40.1 “Moritz”

Maxi Dolphin MD55

RM Yachts RM 1180

Everything electric boats and boating

Electric Inboard Boat Motors

Plugboats Guides Motors News Motors For Sale

With information about 150 electric inboard boat motors from 17 manufacturers, welcome to what we believe is the most complete guide to electric inboard motors. It has been assembled to provide a single place where someone interested in electric marine propulsion can find the top line details to compare electric inboard motors made all over the world.

You may also be interested in our other guides »» Guide to Electric Outboards Under 5kW »»  Guide to El ectric Outboards Over 5kW »»  Guide to Electric Saildrives and Pods »» Guide to Electric Trolling Motors »» Guide to Electric Boat Batteries

»» Plugboats also has the world’s largest and most complete Directories of over 600 electric boats, motors, batteries, accessories, solar panels and rental/charter companies

Information on using the Plugboats Electric Inboard Guide

The top of this web page is an Illustrated Guide with photos of the motors and specifications to the right. At the bottom of the page is a Sortable/Searchable Table that lets you compare motors easily. If you are going to be using the table extensively the page is best viewed on a computer rather than smartphone or tablet.

• Illustrated Guide

The motors are organized in alphabetical order by manufacturer, then by model line. For the specifications we have tried to make it a user friendly as possible. If there are 3 models in the line, we will give the specs for each model with a comma in between. If there are many models, we give a range from without lining the specs up with specific models.

• Sortable/Searchable Table

The table can be searched with any keyword – manufacturer, for instance, or can be sorted by any of the columns: Peak kiloWatt power, Continuous kiloWatt power, estimated HP equvalent, Voltage, Dimensions (Length, Width, Height), Weight, RPMs, Type of motor and cooling system (air, liquid, water), and whether it is regenerative – capable of recharging when the boat is under sail propulsion.

All specifications are taken from the manufacturers’ websites or brochures without any independent verification. There is a lot of variety in the way manufacturers detail the attributes of their products, particularly when it comes to ‘Power’. Some use peak power as the measurement, some use continuous power, and there are other variations. Some quote minimum RPMs for their motors, others quote maximum RPMs. There is also no set standard for ‘horsepower equivalent’. We have tried to present the information as close as possible to an ‘apples to apples’ comparison.

The photographs and drawings are from the manufacturers’ websites and are not shown in any consistent scale.

Power Ratings – measured in kiloWatts kW  power rating quoted is taken from the manufacturer website. Some quote only peak power or continuous power, some quote input power and output power. We have indicated what the measurement is, although in the table we have used peak power as equal to input power and continuous as equal to output. power. HP is ‘HorsePower equivalent’ so that you can get an idea of the power of the motor in comparison to a HP rating you might be more familiar with. As noted above, there is a lot of leeway in how this is interpreted. When manufacturers have provided an HP equivalent we have used that.

• IN THE TABLE , when no HP equivalent has been provided, we have used the continuous power and multiplied it by 1.3 to indicate HP equivalent. We have noted it with an asterisk * when we have done this.

Voltage  is most often referred to on the sites as simply ‘Voltage’. Some indicate nominal or peak, we have used nominal and indicated if peak is also referenced.

Current  is noted when the manufacturer supplies the information. It is not included in the table.

Torque is shown in Newton metres, Nm. A Nm is about 3/4 of a foot-pound, or conversely, a foot-pound is about 1 and 1/3 Nm.

Dimensions of the motors and shaft are shown in millimetres – mm. There are about 300 mm in 1 foot, or about 25 mm in 1 inch.

Weight is in kilograms. A kilogram is 2.2 pounds.

Motor Types 
There are advantages and disadvantages to each kind of electric motor. Some manufacturers use abbreviations to describe their motors, others use the full words. We have used whatever the manufacturer prefers, but when abbreviations are used, this is what they mean:

BLDC: BrushLess Direct Current

PMAC: Permanent Magnet Alternating Current

Information on this page updated March 19, 2024

You may also want to check our Directory of Electric Boat Motor manufacturers, dealers and distributors around the world, or the Plugboats Marketplace of electric boat motors for sale.

Manufacturers in this Buying Guide: Bellmarine • Combi • Damoto • Elco • Electric Yacht • Electrine • EPTechnologies • ePropulsion • E-TECH • Fischer Panda • GreenStar Marine • Huracan • Krautler • Lynch • Mitek • Molabo • Newport Electric Boats • Oceanvolt • Piktronik • Synapseo • TEMA • Thoosa • Torqeedo • waterworld

Click on the Manufacturer’s name or red cross on right hand side to open and close window with information and links for that company’s electric electric inboards

Click »» here to see Bellmarine motors for sale from vendors in the Plugboats Market

»» Bellmarine website (EU)          »»  Bellmarine website (USA) »» Bellmarine catalogue (EU)      »»  Bellmarine catalogue (USA)

Bellmarine is a very well established electric boat motor company with a history going back to 1999. They have now been purchased by and are merged with Transfluid, a large scale industrial motor manufacturer. Bellmarine offers a wide range of electric inboard motor configurations, both direct drive shaft and reduction geared. They range from 2 kW to 130kW and come in four model lines: the straight drive Drivemaster, dual motor ModularMaster, geared Thrustmaster and high power Shaftmaster. They are sold as complete systems with optional extras available.

Bellmarine DriveMaster Air Cooled Series 9 Models: DriveMaster 2A, 5A, 7A, 8A, 10A, 15A, 25A, 35A, 50A

• kW : Peak: From 2kW – 50kW | Continuous: From 1.5kW – 40kW • Voltage : 48V – Models 2A, 5A, 7A, 10A | 96V – Models 8A, 15A | 144V – Models 25A, 35A, 50A
• Motor Type : Permanent Magnet AC (PMAC)
• Cooling : Air cooled
• RPM :  1500
• Includes : Motor with mounting brackets and silent blocks • Motor with integrated thrust bearing • Vector control inverter IP65 • NMEA2000 compatible (Apply Transfluid) • Main switch and main fuse • DC-DC converter 12 Vdc • 5m cable for display, lever, key • Quick install / easy connect / plug and play
• Available : Regeneration (with upgrade to battery monitor), Control throttle, display, cooling kit, coupling, shaft with propeller
• Country of Manufacture : Netherlands/Italy
• Price : NA on website

Bellmarine DriveMaster Liquid Cooled Series 9 Models: DriveMaster 3W, 7W, 10W, 15W, 20W, 20W-EVO, 30W, 45W, 55W

• kW : Peak: From 3kW – 55kW | Continuous: From 2.5kW – 45kW • Voltage : 48V – Models 3W, 7W, 10W, 15W, 20W-EVO | 96V – Model 20W | 144V – Models 30W, 45W, 55W
• Cooling : Liquid cooled
• Includes : Motor with mounting brackets and silent blocks • Motor with integrated thrust bearing • Vector control inverter IP65 • NMEA2000 compatible (Apply Transfluid) • Main switch and main fuse • DC-DC converter 12 Vdc 5m cable for display, lever, key • Quick install / easy connect / plug and play • Inlet and outlet liquid connections
• Available : Control throttle, display, cooling kit, coupling, shaft with propeller

Bellmarine ModularMaster Series 3 Models: ModularMaster 40W-EVO, 40W, 60W

• kW : Peak: 40, 40, 60 | Continuous: 30, 30, 50 • Voltage : 48V – 40W-EVO | 96V – 40W | 144V – 60W
• Includes :  True redundancy in case of one motor failure • Aluminum made split power drive • Mounting brackets and silent blocks • Live PTO available • Vector control inverter IP65 • NMEA2000 compatible (Apply Transfluid) • Main switch and main fuse • DC-DC converter 12 Vdc • 5m cable for display, lever, key • Quick install / easy connect / plug and play • Inlet and outlet liquid connections• Closed loop liquid cooling size XL mounted aboard
• Available : control throttle, display, cooling kit, coupling, shaft with propeller
• Country of Manufacture : Netherlands / Italy

Bellmarine TorqueMaster Series 2 Air cooled Models: TorqueMaster 20A, 25A 7 Liquid cooled Models: TorqueMaster 20W-EVO, 25W, 35W, 45W, 65W, 100W, 130W

• kW : Peak: 20 – 130 | Continuous: 15 – 100 • Voltage : 48V – 20W-EVO | 96V – 20A, 25W | 144V – 25A, 35W | 288V – 65W, 100W | 384V – 130W
• Cooling : See above
• RPM :  20W-EVO – 1500, all other Models 3000
• Includes : Motor with mounting brackets and silent blocks • Drop Box with integrated thrust bearing – 225 mm offset • Vector control inverter IP65 • NMEA2000 compatible (Apply Transfluid) • Main switch and main fuse • DC-DC converter 12 Vdc • 5m cable for display, lever, key • Quick install / easy connect / plug and play • Dropbox aluminum made – no cooling needed – low noise and low vibration • Oil temperature sensor • Elastic coupling between motor and Dropbox • DIN120 output (SAE 1410 upon request) – “U” drive possible

Bellmarine ShaftMaster Series 6 Models: ShaftMaster 25W, 35W, 45W, 64W, 100W, 130W

• kW : Peak: 25kW – 130kW | Continuous: 20 – 100 • Voltage : 96V – 25W | 144V – 35W | 288V – 45W, 65W, 100W | 384V – 130W
• Motor Type : Motor Type : Permanent Magnet AC (PMAC)
• RPM :  3000
• Includes : Motor with mounting brackets and silent blocks • Live Pto available • Marine gear with integrated thrust bearing (up to 130 kW) • Oil temperature sensor • Output offset 103 mm • Elastic coupling between motor and transmission • Vector control inverter IP65 • NMEA2000 compatible (Apply Transfluid) • Main switch and main fuse • DC-DC converter 12 Vdc • 5m cable for display, lever, key • Quick install / easy connect / plug and play • Inlet and outlet liquid connections • Throttle lever (TFC) • Self priming pump (mechanical) mounted aboard • Oil-water cooler mounted aboard • Closed loop liquid cooling size XL mounted aboard

»» Combi website

Combi Outboards was founded in 1979 in Giethoorn (‘the Dutch Venice’) to supply rental boats with clean electric power. It is now a leading international supplier of electric propulsion solutions for the maritime market. Combi inboards have all of the operating components in one housing, ready to plug in to batteries, throttle and monitoring systems. Motors are available both AC asynchronous (induction) and BLDC Permanent Magnet. The two larger inboards are dual motor, and can be operated on the Master / Slave principle but can also sail on a single motor. 

Combi Inboard 5 Models: CI-3.5, CI-5, CI-7.5, CI-10, CI-16, CI-20

• kW : From 3.5kW to 20kW • Voltage : 48V • Current : From Nominal –73 / Cruising speed – 50 to Nominal – 417 / Cruising – 240 • HP : From 9HP to 33HP
• Motor Type : Brushless AC asynchronous • OR • Brushless DC Permanent Magnet (PMDC) Cooling : CI-3.5 Air cooled, all others liquid cooled
• RPM :  From 1200 to 1500
• Shaft (cm) : Can be connected to all common propeller shaft sizes
• Includes : Our systems are constructed in such a way that all components are used in a motor housing. You just need to connect only the power cables. The engine foundation is prepared so that it is easy to install.
• Country of Manufacture : Netherlands

»» Damoto website

Damoto is a Dutch developer, manufacturer and distributor of an extensive range of premium electric inboard motors from 2kW to 40kW nominal. The first model dates from 2005 with more than 3000 boats equipped with it, including recreational sloops, charter and rental boats. The motors are now released under the name Damoto eFLOW but have been well known in the international maritime industry for many years.

Damoto eFLOW Original Series 5 models: eFLOW 2.0 Air, eFLOW 2.5 Air, eFLOW 3.0 Air, eFLOW 6.0 Air, eFLOW 11.0 Air

• kW : Nominal: 2kW to 11kW | Peak: 3kW to 15kW max
• Motor Type: Brushless 3 Phase Asynchronous • Cooling: Air cooled
• IP : IP66
• Includes : stainless steel motor frame with silent blocks, motor, thrust bearing, controller in stainless steel casing incl. marine software & PC/handheld connector for motor tuning, main power contactor & fuse, controller cable with connectors (Plug-n-Play)
• Available : Displays, throttle levers, shaft couplings
• Country of Manufacture : Netherlands / Europe
• Price : Not available on website

Damoto eFLOW Liquid Original Series 8 models: eFLOW 3.0 Liquid, eFLOW 5.0 Liquid, eFLOW 10.0 Liquid, eFLOW 15.0 Liquid, eFLOW 20.0 Liquid, eFLOW 30.0 Liquid, eFLOW 40.0 Liquid Dual Motor, eFLOW 14.0 Liquid 4Hybrid Dual Shaft

• kW : Nominal 3kW to 40kW | Peak: 6kW to 80kW
• Motor Type: Brushless 3 Phase Asynchronous • Cooling: Liquid cooled
• Includes : stainless steel motor frame with silent blocks, motor with liquid inlet & outlet, thrust bearing, controller in stainless steel casing incl. marine software & PC/handheld connector for motor tuning, on-board power converter (12V) integrated in controller casing, main power contactor & fuse, controller cable with connectors (Plug-n-Play)
• Available : Displays, throttle levers, cooling kits, shaft couplings

Damoto eFLOW Air All-in-One Series 3 models: eFLOW 2.0 Air AiO, eFLOW 3.0 Air AiO, eFLOW 6.0 Air AiO

• kW : Nominal 2kW to 6kW | Peak: 6kW to 80kW
• Includes : stainless steel housing, motor with silent suspension, thrust bearing, controller module incl. marine software & PC/handheld connector for motor tuning, main power contactor & fuse, connectors on box front (Plug-n-Play), wired & tested
• Available : throttle levers, shaft couplings

»» Elco website

Elco (Elco Motor Yachts) is the oldest electric boat motor company in the world, having been started in 1893 as the the Electric Launch Company to supply electric boats for the Chicago World’s Fair. It offers a full range of outboards, inboards and hybrids. Their Plug n Play system has all wiring and active power components in a marine grade aluminum casting rated IP-65. Can be purchased from the Elco website along with batteries, options and accessories, leading to a one-price checkout. They also have a ‘ Find My Motor ‘ calculator on the site.

Elco Inboards 6 Models: EP-6, EP-12, EP-20, EP-40, EP-70, EP-100

• kW : Peak: From 4.4kW – 73.5kW | Continuous: From 2.5kW – 42.5k • Voltage : From 36Vdc to 144 Vdc • Amps : 70A – 295A • HP : 6HP – 100 HP
• Dimension s: From L: 17” / W: 16.22” / H: 15.8” to L: 35”  /  W: 18.82”  /  H: 19.25” 
• Includes : Motor and controller.
• Available : Motor mounts, shaft couplers, batteries, battery monitor, chargers, cables, and other accessories
• Country of Manufacture : USA
• Price (does not include options) : $US 7,000 – 21,000

Electric Yacht

Electric Yacht is one of the premier US suppliers of electric motors for sailboats with a  Plug-n-Play system designed for DIY installation by “ a competent boat owner using simple tools and the easy to mount Electric Yacht system “. Their systems offer regenerative power while under the sail. 10 years of proven production with over 450 installs. 3 Year Warranty.

Electric Yacht QuietTorque single motor inboards 3 Models: QT5, QT10, QT10 Sport

• kW : Input – 2.5kW – 30kW, Continuous 2kW – 8kW • Voltage : 24, 36 or 48V for Quiet Torque 5.0, all others 48V • Current : 100A – 200A • HP : 10-25
• Motor Type : PMAC (Permanent Magnet Brushless AC) • Cooling : Air cooled • IP :
• RPM : 
• Dimensions : L: 432mm, W: 245mm, H (with mountings): 342mm Adjustable mountings • Weight : 40 lbs, 70 lbs
• Includes : The motors are sold as systems with everything included except the battery, which can also be purchased from the company. The systems can be purchased directly from the website.
• Price : $US 5,000 – 9,000

Electric Yacht QuietTorque dual motor inboards 6 Models: QT20, QT30-Air-Cooled, QT30-Liquid-Cooled, QT40, QT45, QT60.0

• kW : Input – From 20kW – 60kW Continuous – From 16kW – 52kW • Voltage : 48V – QT20, QT30-Liquid-Cooled 72V – QT30-Air-Cooled, QT40 96V – QT45, QT60 • Current : NA • HP : From 25 – 80
• Motor Type : PMAC (Permanent Magnet Brushless AC) • Cooling : Air cooled – QT20, QT30-Air-Cooled, Liquid cooled – QT30-Liquid-Cooled, QT40, QT45, QT60 • IP : NA
• RPM : NA
• Torque : NA
• Dimensions : L: 673mm, W: 534mm, H (with mountings): 534mm Adjustable mountings • Weight : From 135 lbs to 200 lbs
• Price : $US 14,500 – 18,000

»» ELECTRINE website

ELECTRINE is a Korean manufacturer which has focused on maritime electrification since 2010, when the idea of electric mobility was still relatively uncommon. The company was known as LGM until 2020 and has had a consistent R&D effort for many years. They manufacture electric outboards, inboards and saildrives as well as accessories and Lithium-ion batteries using a Carbon Nano Tube heat exchanger technology. There are 7 models in the eINBOARD Line, the ZI40, ZI60, ZI90, ZI115, ZI180, ZI270 and ZI350

E-ELECTRINE e-INBOARD line 7 Models: ZI40 (shown), ZI60, ZI90, ZI115, ZI180, ZI270, ZI350

• kW : (Max): 43, 60, 110, 150, 173, 200, 250 • Operating Voltage (Vdc): 72~96, 288~384, 288~384, 288~384, 288~384, 500~738, 500~738, 500~738
• Motor Type : N/A
• RPM (Max):  8006, 7160, 10,250, 8000, 6204, 3500, 3375
• Torqu e (Max) Nm: 72, 167, 255, 251, 555, 2100, 2700
• Weight | Dimensions (kg | mm) N/A | 390 x 360 x 323, N/A | 390 x 360 x 323, 93.5 | 665 x 468 x 476, 93.5 | 665 x 468 x 475, N/A | N/A, 500 | 902 x 1200 x 733, 500 | 902 x 1200 x 733
• Country of Manufacture : Korea

EPTechnologies

»» EPTechnologies website

EPTechnologies is a complete marine propulsion provider for electric and hybrid vessels. The company specializes in custom electric and hybrid systems, but also has ‘off the shelf’ motors, including the drop-in Stern Drive unit below. The company delivers complete systems including batteries designed and built by EPTechnologies.

EPTechnologies Drop In Unit

• Voltage: 400
• Other: This motor system has been designed by EPTechnologies as a complete drop-in unit for a Mercury Sterndrive. Includes all batteries, controllers and accessories
• Country of Manufacture : Denmark
• Price : Contact EPTechnologies

EPTechnologies Electric Motor

• For boat sizes 60′-250′
• kW (Continuous) : 400 (Peak) : 700
• Torqu e (Max) Nm: 7800
• Other : Can be stacked together for 800kW or 1400kW peak

ePropulsion

Click here to view motors from ePropulsion dealers in the Plugboats Marketplace

»» ePropulsion website

ePropulsion was established in 2012 and is led by a team of technology entrepreneurs that are focused on developing uncompromising, superior products. It was the first company to launch a brushless, direct-drive electric outboard motor in the market. ePropulsion offers a portfolio of electric outboard motors – some of which offer hydrogeneration – pod drives, and inboard motors. The company is focused on products and services for all kinds of electric boats from dinghies and fishing boat to sailing boats to commercial and leisure motor vessels up to 100-feet and displacement of 200 tons.

ePropulsion I-Series T hree (3) models: I-10, I-20, I-40

• kW : 60kW to 140kW • Voltage : H-100: 540 VDC
• Motor Type : permanent magnet motor technology • Cooling : I-10 Air cooled | I-20 & I-40 Water cooled (air cooling optional) • IP : IP67
• RPM :  1500 all models
• Torque : 56 Nm | 111 Nm | 222 Nm
• Dimensions : I-10: 565 x 295 x 380 mm | I-20: 580 x 330 x 380mm | I-40 860 x 485 x 420mm • Weight : 43kg | 45kg | 75kg
• Includes : Weather & impact resistant metal housing contains integrated motor, gearbox, electronic control system, ECU, thermal management system and suspension, Smart 5” Display, ePropulsion Smart System Architecture (eSSA), Advanced driver assistance system (ADAS), Wired & tested, plug & play installation to new boat or retro-fit to existing shaft, NMEA 2000 compatible, CAN Bus communication, Fault diagnosis system & full redundancy design
• Available : Smart throttle, G102-100 battery, propeller, air-cooling, HVAC System, shaft and coupling, charger, remote data access & fleet management with IoT connectivity service
• Country of Manufacture : China
• Price : On application

ePropulsion H-Series Four (4) models available: H-60, H-85, H-100, H-140

• kW : 10kW | 20kW | 40kw • Voltage : 86~115 VDC all models
• Motor Type : permanent magnet motor technology • Cooling : Water cooled • IP : IP67 
• RPM :  H-100: 1150
• Torque : 797 Nm
• Dimensions : H-100: H 433mm  x W 433mm x D 315mm • Weight : H-100: 190kg
• Includes : Weather & anti-corrosion metal housing contains integrated motor and  gearbox, high torque density (max 2000Nm), modular design to extend range and power with extra motors, batteries and controllers, high accuracy position feedback, Boating IoT system enables remote monitoring and integrated management, Customised data for speed, power, track, mileage, safety alarm etc., NMEA 2000 compatible
• Available : Controller, remote control and display – single & dual controls, custom batteries 

»»  E-TECH website

E-TECH is a subsidiary of boatbuilder Starboats that was started in 2008 because they were dissatisfied with other electric motor offerings in the market at the time. The company has developed fixed pods, steerable pods and outboard motors that all utilize an in-water BLDC (BrushLess DC permanent magnet) pod motor in a watertight aluminum casing. The inboard motors are designed to fit any engine bed and any propeller shaft. For in-line hybrid applications, there are shaft endings on both ends of the engine to make an easy and quick in-line installation.

Click here to view motors from E-TECH dealers in the Plugboats Marketplace

E-Tech Standard Inboards 6 Models: 4WG, 7WG, 13WG, 18WG, 23WG, 35WG

• kW : From 4.3kW, 7.1, 11.9, 16.7, 21.5, 33.7 (power measured on the shaft) • Voltage : 48V, 48V, 48V (4WG, 7WG, 13WG) | 72V – 18WG | 96V – 23 WG, 144V – 35WG • HP : 6, 9.5, 16, 23, 30, 45
• Motor Type : Brushless permanent magnet BLDC • Cooling : Water cooled •  IP : 67
• RPM :  (min) From 1100, 1200, 760, 1140, 1520, 2500
• Shaft : 25mm (4WG, 7WG) or f 30mm (10WG, 15WG, 20WG), 8mm spline
• Includes : Controller, battery monitor / display, cabling, joystick (side or top mounting), integrated cooling circuit for controller with Quick-Click connections, main switch, main fuse.
• Country of Manufacture : Poland

E-Tech High Torque Inboards 4 Models: 13 Pod, 18 Pod, 23 Pod, 35 Pod

• kW : From 11.9 kW, 16.7 kW, 21.5 kW, 33.7 kW (power measured on the shaft) • Voltage : 48V, 72V, 96V, 144V • HP : ≈ 16, 23, 30, 45
• RPM :  (min) From 760, 1140, 1520, 2500
• Shaft : f 30mm, 1:10 conic

Fischer-Panda

»» Fischer-Panda website

Fischer Panda is one of the world’s best known manufacturers of marine generators but are also manufacturers of high quality electric boat motors, sometimes marketed under the ‘Whisperprop’ name. They have an “EasyBox” system that is intended to take the guesswork and complication out of purchasing electric boat motors. There are various sample configurations on their website displaying how the EasyBox system is laid out in different boats.

Fischer Panda Easybox DE-Shaft systems 5 Motors: A06-140-6-SH, A50-160-6-SH, B00-150-8-SH 10 kW, B00-150-8-SH 20 kW, B00-300-8-SH 20 kW

• kW : (continuous) 3.5kW – 20kW • Voltage : 48V • Current : • HP :
• Motor Type : PMAC • Cooling : Water
• RPM : 600 – 2500
• Torque : 28Nm – 320Nm
• Dimensions : L: 400mm – 560mm W: 270mm H: 270mm • Weight : 15kg – 96kg
• Includes : EasyBox control, GD2 control panel, throttle
• Available : Battery bank, charger, shore power connection, 230V adaptor
• Country of Manufacture : Germany

GSM Electric (formerly Greenstar Marine)

»» GSM Electric website

GreenStar Marine was founded by a group of Swedish engineers in the 1990s to develop a series of electric propulsion systems, including a patented regenerative technology. All of the company’s systems are direct drive one-gear and complete except for batteries. The website has an interactive tool that shows approximate run times for different sized boats and battery/motor configurations.

GreenStar E-Line 2 Models: E-10, E-20

• kW : Peak – 3.5kW, 5.5kW | Nominal – 2.1kW, 4.2kW • Voltage : 24V, 24V • HP : 10, 20
• Motor Type : Brushed DC • Cooling : Air cooled
• RPM :  1000, 1000
• Torque : Nominal: 20 Nm, 40Nm | Peak: 40Nm, 50Nm
• Includes : Motor mountings, control system, basic system monitor, battery charger, monitoring, speed control, shore power system, cables, propeller shaft with low friction bearings, fixed propeller
• Available : Hydrogeneration, folding propeller, extra DC/DC
• Country of Manufacture : Sweden

GreenStar P-Line 3 Models: P-10, P-20, P-35

• kW : Peak – 10kW, 10kW, 30kW | Nominal – 2.5kW, 5.5kW, 11kW • Voltage : 48V, 48V, 48V • HP : 10HP, 20HP, 35HP
• Motor Type : Brushless AC • Cooling : P-10 – Air cooled | P-20, P-35 – Water cooled • IP : 65 or higher classed components
• RPM :  1250, 1250, 1250 •
• Torque : Nominal: 20 Nm, 45Nm, 85Nm | Peak: 75Nm, 85Nm, 130 Nm
• Includes : Hydrogeneration, motor mountings, advanced control system, system monitor, battery charger, monitoring, speed control, shore power system, cables, propeller shaft with low friction bearings, fixed propeller
• Available : Folding propeller, extra DC/DC

»» Huracan website

Huracan was founded at the beginning of 2012 in Venice with the goal of building entirely electric marine motors with the highest reliability of any on the market. The Thor motor is sold in a housing that includes the controller, with throttle, displays, monitors and other accessories sold separately.

Huracan Thor NOTE : The information for Huracan is presented in a different format from other manufacturers because the Thor is the only model, which provides different power ratings at different motor speeds.

• kW : 10kW at 3000 rpm | 20kW at 4000 rpm  | 30kW at 5000 rpm | 40kW at 5500 rpm • Voltage : 220V • Current : NA • HP : NA
• Motor Type : NA • Cooling : Water cooled • IP : 69
• RPM :  3000 – 5500
• Torque : (at axles): 30Nm at 3000 rpm | 49Nm at 4000 rpm  | 56Nm at 5000 rpm | 70Nm at 5500
• Dimensions : L: 543 mm  H: 300mm W: 191mm • Weight : 40 kg
• Available :
• Country of Manufacture : Italy

»» Kräutler website

Kräutler is a long-established Austrian manufacturer of industrial electric motors. They began construction of electric boat motors in the 80’s mainly because they could not find a product that would live up to the standards of founder Oswald Kräutler. They make motors for industrial and ship use as well as recreational boats and offer a wide range of inboards for any size boat or usage. Krautler has 3 lines of electric inboard motors. The WAd and WAz lines are direct drive and run from powers of 2.0kW to 25kW (WAd) and 6kW to 37kW (WAz). The WA line is made up of motors from 30kW to 100kW, for high speed / planing boats.

Krautler WAd and WAz line WAd – 11 Models WAd 2.0AC, WAd 3.0AC, WAd 4.3AC, WAd 5.0AC, WAd 6.0AC, WAd 8AC, WAd 11.0AC, WAd 15.0AC (48V, Air), WAd 15.0AC (96V, Water), WAd 18.5AC, WAd 20.0AC WAz – 10 models WAz 6,0AC, WAz 8,0AC, WAz 11,0AC, WAz 15,0AC (Air), WAz 15,0AC (Water), Waz 18,5AC, WAz 20,0AC, WAz 25,0AC, WAz 30,0AC, WAz 37,0AC

• kW : (Output) From 2.5kW – 37kW • Voltage : 24V – 144V • Current : 104A – 292A • HP : 3.5 – 50 HP
• Motor Type : • Cooling : Air – 6,0 models to 15,0 models (WAd and Waz), Water for 18,5 models to 37,0 WAz model
• RPM :  NA
• Dimensions : • Weight :
• Includes : Controller, throttle, monitor, display, cables
• Country of Manufacture : Austria

Krautler WA High Speed line 6 Models: WA 100/30, WA 150/40, WA 350/50, WA 350/60, WA 500/80, WA 500/100

• kW : (Output) From 30kW – 100kW • Voltage : 100V – 500V • Current : NA • HP : 45 – 130 HP
• Motor Type : • Cooling : Water
• Includes : Battery, controller, throttle, monitor, display, cables

»» Lynch website

The Lynch motor was invented by Cedric Lynch in 1979 – a unique axial gap permanent magnet brushed DC motor with high efficiency. The company offers three lines – the direct drive Yellowtail, geared drive Marlin and dual motor Swordfish. Motor systems include motor in mounting frame, controller, electronics, throttle and basic battery monitor and control cables. (options available on throttles and monitors) Lynch has 3 lines of electric inboard motors: the Yellowtail, Marlin and Swordfish, although the Yellowtail ‘line’ is only one motor.

Lynch Yellowtail

• kW : Peak – 6.0kW, Continuous – 2.5kW • Voltage : 24 • Current : 120/Peak 250A • HP : 5 – 10
• Motor Type : • Axial Flux ‘Pancake’ Permanent Magnet DC • Cooling : NA • IP : NA
• RPM : 1080 • Efficiency : 88%
• Torque : 16/Peak 35Nm
• Dimensions : NA • Weight : Motor: 14 kg Control  box: 12 kg
• Includes : motor in mounting frame, controller, electronics, throttle and basic battery monitor and control cables.
• Available : options on throttles and monitors
• Country of Manufacture : UK

Lynch Marlin : Marlin 5 Single, Marlin 8 Single, Marlin 13 Single

• kW : Peak – 14kW, 14kW, 26kW • Voltage : 48V, 48V, 72VDC • Current : 140/Peak 350A, 180/Peak 350A, 200/Peak 400A • HP : 10-20, 17-25, 35-50
• RPM : 2160, 2160, 3240 • Efficiency : 90%
• Torque : 18/Peak 38Nm , 36/Peak 44Nm, 36/Peak 72/Nm
• Dimensions : NA • Weight : Motor: 21 kg • Controller: 12 kg (14kg on model 13 Single)

Lynch Swordfish : Swordfish 16V Twin, Swordfish 26V Twin

• kW : 16kW/Peak 30, 26kW/Peak 53 • Voltage : 48VDC, 72 VDC• Current : 180A/350 Peak, 200A/400 Peak • HP : 48-60, 60-75
• RPM : 2160, 3240 • Efficiency : 90%
• Torque : 72Nm/144 Peak,
• Dimensions : NA • Weight : Motor: 27 kg Controllers: 14.5 kg X 2 (29kg)
• Includes : motors in mounting frame, controller, electronics, throttle and basic battery monitor and control cables.

»» Mitek website

Mitek is an Italian company with more than 10 years of experience in electric motors. It first came to the attention of the electric boat world when it exhibited its outboards at the Venice Boat Show in June. The Mitek inboards are not sold as systems but as standalone motors to boat manufacturers or boat owners who are keen on DIY.

Mitek Inboards : 4 Models: 260038, 260054, 260061, 26115

• kW : From 17kW/Peak 29 to 85kW/Peak 115 • Voltage : 48V, 96V, 192V, 384V• Current : From 260A/650max to 200A/300max • HP : From 23-39 to 114-154
• Motor Type : NA
• RPM : From 1700 to 2200
• Torque : From 88Nm/Peak 205 to 380Nm/Peak 540
• Dimensions : L: 388mm – 588mm W: 370mm H: 370mm • Weight : 32 – 69 kg
• Includes : Standalone

Click »» here to see Molabo motors for sale in the Plugboats Market

»» Molabo website

Molabo was founded in 2016 with the goal of providing safe-to-touch low-voltage e-solutions to enable sustainable mobility worldwide. To achieve this they developed the ISCAD (Intelligent Stator Cage Drive) motor technology and have been granted 10 patents worldwide with automotive and marine OEM (Original Equipment Manufacturer) partners in Europe and China.

Molabo ISCAD V50

• kW : Peak: 80 | Continuous: 50 •  Voltage : 48V
• Motor Type : PM-SynRM (Permanent Magnet Synchronous Reluctance Motor) ISCAD (Intelligent Stator Cage Drive)
• Cooling : Water: 7 l/min, max. 45°C (dual circuit cooling possible)  •  IP67
• RPM : 4350 • Efficiency : 95.6 % (Motor: 97 %, Controller: 98 %)
• Dimensions : L: 265mm, Diameter: 254mm • Weight : NA
• Includes : Available as components or compete set-up including motor, reduction gear, rubber mounts & brackets, 5″ touch display, throttle top or side mount, molaCONNECT & molaLINK (IOT), communication cable set
• Available : Battery and charger packages: LFP 36kWh, 48kWh and 12kWh additions
• Price : Motor: €19,990 ($US 21,000)  •  With all components package (excluding battery): €28,400 ($US 29,900)

»» Oceanvolt website

Click »» here to Oceanvolt motors for sale in the Plugboats Market

Oceanvolt is one of the best known names in electric boat motors, especially for sailboats, and is a leader in regenerative / hydrogenerative props systems. There are standard systems available, the motors can be purchased separately, and the company can also do custom installations. Oceanvolt has both all-electric and hybrid systems, we have only included the all-electric systems here, and only the standard preconfigured systems.

Oceanvolt Inboard Systems with AX motors: 3 Models: Shaftdrive 3, Shaftdrive 5, Shaftdrive 8

• kW : (continuous) – 3.7kW, 5.3kW, 8.7kW • Voltage : 48 • Current : • HP :
• Motor Type : Synchronous permanent magnet electric • Cooling : Air
• RPM : 2400
• Dimensions : NA • Weight : 22kg, 28kg, 28kg
• Includes : Controller/battery communication kit, Hydrogeneration feature
• Available : Batteries, charger, propeller
• Country of Manufacture : Finland
• Price : $US 6,500 – 8,000

Oceanvolt Inboard Systems with AX3 motors: 2 Standard Systems: Shaftdrive 10, Shaftrdive 20 NOTE: The AX3 motors are 10kW motors that can be ‘stacked’ to create higher powered system, up to 40kW. i.e. the illustration below shows 1 X 10kW AX3 in the diagram but 2 X 10kW AX3s coupled to form a 20kW motor in the photograph .

• kW : 10kw, 20kW • Voltage : NA • Current : • HP : 20 – 60
• Motor Type : PMAC • Cooling : Liquid
• Includes : Battery, controller/battery communication kit, Hydrogeneration feature
• Price : $US 36,000 – 59,000 (includes Lithium battery pack – 13.3kWh/26.6kWh)

»» Piktronic website

Piktronik is an Austrian-Slovenian company working on the research, development and production of components for electrical vehicles (EV) and boats. Their inboards are available as standalones and also as complete systems.

Piktronik Motors : 7 Models: PMSM10, PMSM40 PMSM50 PMSM60 PMSM100 PMSM110 PMSM180

• kW : (continuous) From 10 to 180 • Voltage : From 30V to 307V • Current : From 205A to 370A • HP : From 13.6 to 245
• Motor Type : 3 – Phase  Permanent Magnet Synchronous ( PMSM ) • Cooling : Water cooled • IP :
• RPM : From 1200 to 3600
• Torque : From 80Nm – 555Nm
• Dimensions : From L: 431mm W: 220mm H: 220mm to L: 565mm W: 396 H: 396mm • Weight : From 45kg to 171kg
• Includes : See Piktronik systems below
• Country of Manufacture : Austria/Slovenia

Piktronik Systems : All of the motor power sizes above are available as complete systems. System includes:

• Display, control and battery monitoring unit 
• DC-DC converter
• Battery chargers
• Wire harness, Distribution box, battery fuses and contactors, FI-Box, Ignition switch, User guide

»» Synapseo website

Synapseo was founded by a group of passionate sailors who have a common interest in making our oceans, seas and rivers great again. They have developed the KYWAT, an adaptive in-board solution to easily replace old diesel or gasoline engines. It is available in five models with power outputs from 4kW to 20 kW. The have output shaft diameter of 25mm to 30mm and mounting brackets hat adapt to all standard engine cradles. All motors have hydrogeneration / regeneration.

Synapseo Motors : 5 Models: AE-10, AE16, AE24, AE36, AE60

• kW : 4kw, 6kW, 10kW, 16kW, 20kW • Voltage : AE-10 – AE36: 48V, AR60: 72C • HP : 10, 16, 24, 26, 60
• Dimensions (mm): • AE-10 – AE24: W: 400 L:630 H: 440, AE 36 and AE60: W: 448 L:742 H: 512
• Includes : Control panel, digital throttle, power cables, coupling, four silencing blocks.
• Country of Manufacture : France

»» TEMA website

TEMA was founded in 1989 by Branimir Ruzojcic, Dr.Sc, who is still GM of the company. Its goal was to merge academic and scientific researches and engineering practical resources for offering sophisticated industrial automation products to the market. Today TEMA offers advanced motors/generators using Permanent Magnet technology ranging from 10KW to 1500KW and offers complete electric propulsion systems for all-electric, serial hybrids and parallel hybrid boats, from small leisure yachts to large commercial boats.

TEMA Motors : 5 Models: SPM132-1, SPM132-12, SPM132-2, SPM132-22, SPM132-3

• kW : 10kW – 60kW • Voltage : 48 – 450Vdc • Current : • HP :
• Motor Type : PMAC • Cooling : Air – either natural or forced air/fan
• RPM : Nominal – 3600
• Torque : (Nominal): 70 – 205Nm
• Dimensions : • From L:275mm, H: 260mm, W: 260mm to L: 552mm, H: 260mm, W: 260mm Weight : 70 – 148kg
• Includes : motor controller, marine throttle, information display, Plug and Play easy wiring
• Country of Manufacture : Croatia

»» Thoosa USA website

The Thoosa design has been in production in Denmark since 1998, originally by ASMO Marine, which became Clean eMarine in 2012. They manufacture the AC Triton motor and the DC Thoosa line, which includes four models with power ratings from 5kW to 12kW. All are geared motors. Motor and controller are sold together, with mounting brackets. Throttles and monitors are also available from the company.

Thoosa DC Motors : 4 Models: Thoosa 5000, Thoosa 7000HT, Thoosa 9000, Thoosa 12000

• kW : (continuous) – 5kW, 7kW, 9kW, 12kW •  Voltage : Thoosa 12000 is 72V, others are 48V •  Current : (Peak) 300A – 400A •  HP : 10 – 50
• Motor Type : Axial Flux ‘Pancake’ Permanent Magnet DC •  Cooling : Air cooled
• RPM : 1080 – 1270
• Torque : (Peak) 59.5Nm – 73.3Nm
• Dimensions : NA •  Weight : (System) 37kg – 47.5kg
• Includes : Motor, controller
• Available : Throttle, battery monitor
• Country of Manufacture : Denmark / US Assembly for US models

»» Torqeedo website

Torqeedo is the world’s leading manufacturer of electric outboards. The company was founded in 2004 by Dr Christoph Ballin and Dr Friedrich Böbel when they decided they could build a better electric motor than the one on the boat Dr. Ballin had just purchased. The inboards are sold as a complete system, including batteries, and each is designed for different usage: the 1400 (RPM) models for displacement sailing with heavy boats, the 1800 (RPM) models for for planing with fast boats and the 100kW 900 for large sailing yachts and heavy displacement vessels.

Torqeedo Deep Blue Inboard Line – 25i and 50i models 4 Models: Deep Blue DB25i 1400, Deep Blue DB50i 1400, Deep Blue DB25i 1800 , Deep Blue DB50i 1800

• kW : 25i models – 27.6kW/33 Peak, 50i models – 55kW66 Peak • Voltage : 360V • Current : • HP : 25i models = 40HP, 50i models = 80 HP
• Motor Type : Permanent Magnet Synchronous (PMSM) • Cooling : Water cooled • IP :
• RPM : Model number1400 and 1800 refer to RPMs
• Torque : <280Nm – 343Nm
• Dimensions : L: 680mm W: 512mm H: 376mm • Shaft sizes : 30, 35, 40mm | 11/8,11/4” • Weight : 80kg
• Includes : Complete integrated system, including on-board touchscreen computer, batteries, shafts and propeller.

Torqeedo Deep 100kW 900

• kW : 100kW continuous • Voltage : 360V • Current : • HP : 135
• Motor Type : Permanent Magnet Synchronous (PMSM) • Cooling : Water cooled
• RPM : 900 (max)
• Torque : 1060Nm
• Dimensions : NA • Shaft sizes : 30, 35, 40mm | 11/8,11/4” • Weight : 450kg (w/o battery, including electronics)

»» WaterWorld website

WaterWorld is a joint venture undertaken by two companies, De Stille Boot, a distributor specializing in electric boating and Water World Electronics, a Dutch specialist in low voltage electronics. WWE develops and produces its own printed circuit boards and complete controllers for various markets such as the building and car industry. They have joined together to “offer boat owners and -users the ultimate joy of a quiet, calm and carefree boat ride.” The company offers four direct drive electric inboard systems, with the motor and controller in one housing with adjustable engine supports as well as monitors and other accessories.

WaterWorld Inboards : 3 Models: 4.0 i , 7.5 i , 10.0 i , 15.0 i

• kW : (continuous) – 4kW, 7.5kW, 10kW, 15kW • Voltage : 48V • Current : 92V (max), 172A, 230A • HP :
• Motor Type : Asynchronous • Cooling : Air cooled • IP :
• RPM : 1450 (max), 1350, 1450
• Torque : 27Nm, 53Nm, 66Nm
• Dimensions : (Motor and controller in frame) 4.0i: L- 558mm x W-225mm x H-221mm | 7.5i and 10.0i – L-681mm x W-290mm x H-271mm • Weight : (Motor and controller in frame) 4.0i: 39kg, 7.5i and 10.0i: 76kg
• Includes : Motor, controller, thrust bearing, relay, digital colour touch screen display, throttle
• Price : $US 3,675 – 5,500 (15.0 i tba)

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The heart of the electric propulsion system is the motor. Connected via the V-CAN modular digital CAN-bus communication system, it provides quiet, reliable and low-maintenance sailing.

VETUS offers E-LINE in-line propeller shaft solutions and the innovative compact E-POD solution. The motor selection will depend upon multiple parameters such as hull shape, so please feel free to contact your dealer for detailed advice.

The compact E-LINE motor range is designed to fit existing propulsion foundations and propeller shaft installations. The supplied Swap & Go mounting brackets, with motor mounts specifically developed for electric propulsion motors, can easily be adjusted in height and set to angle the shaft to 0° or 8°. This makes repowering and connecting to an existing propeller shaft a simple task.

The E-POD combines the motor, suspension, cooling, gearbox, clutch, propeller shaft and propeller into one complete system. This space-saving solution makes the engine box and through-boat propeller shaft redundant, opening up the floor space. This makes a completely new boat design possible.

Every boat is different! Calculate the system you need with our E-DRIVE configurator: VETUS E-DRIVE CONFIGURATION

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GM4 electric inboard

The smallest motor of the Green Marine family. A 4 kW induction motor comparable in power with a 10 hp diesel engine but with all the advantages of going electric.

GM8.5 electric inboard

The second motor of the Green Marine family. The 8.5 kW AC induction motor is comparable in power with a 25-30 hp diesel engine but with all the advantages of going electric. A favorite for the the on the Amsterdam canals.

GM10 electric inboard

A top favorite for the leisure market and a power house for your business needs. A 10 kW induction motor comparable in power with a 35-40 hp diesel engine but with all the advantages of going electric.

Comparable to a 60 hp diesel engine, highly efficient and powerful due to its low RPM and high torque. Usually boats of 6-10 meters long and 7-12 tonnes of weight.

GM17.5 electric inboard

Our largest air cooled motor with high torque and low RPM. Usually used for boats with a length of 10-15 meters and weight up to 20 tonnes.

GM22 electric inboard

A permanent magnet motor with 35 kW of power and water cooled for larger boats and heavy duty work.

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Home » Blog » Gear » Buyers guide to electric boat motors (2023)

Buyers guide to electric boat motors (2023)

By Author Fiona McGlynn

Posted on Last updated: August 3, 2023

Considering making the switch to an electric boat motor? With electric vehicles now commonplace on the roads, it’s no wonder so many boaters are curious about electric boats.

While electric boat motors have been around for a while, in the last several years the technology has taken huge leaps, resulting in more powerful motors, longer-lasting batteries, and ultimately more options for recreational boat owners.

Today, many types of boats can be outfitted with an electric propulsion system including pontoon boats, sailboats, jon boats, powerboats, fishing boats, yachts, and trawlers . If your boat’s combustion engine is in the range of 1 to 135 hp (.75 to 100 kW), you should be able to find an electric substitute.

While electric boating hasn’t gone mainstream—it’s estimated that close to 2% of recreational boats are electric—it’s still a great time to be thinking about making the switch, particularly if you own a tender, sailboat, or boat on a green lake where combustion engines are prohibited.

Table of contents

• 1.1 Benefits
• 1.2 Drawbacks
• 2.1.1 Key features of electric outboard boat motors
• 2.1.2 Electric outboard manufacturers
• 2.2.1 DIY electric inboard boat motor conversion
• 2.2.2 Key features of electric inboard boat motors
• 2.2.3 Electric inboard manufacturers
• 2.3.1 Serial vs. parallel hybrids
• 2.3.2 Key features of marine hybrids
• 2.3.3 Marine hybrid manufacturers
• 2.4.1 Electric pod and sail drive manufacturers
• 3 Batteries
• 4 Ready to catch the electric boating wave?

Benefits and drawbacks of electric boat motors

Electric marine motors offer several advantages over internal combustion engines:

• They’re completely silent .
• No noxious fumes or smelly exhaust gases to deal with.
• Instant torque.  Electric propulsion provides instant torque, giving you better maneuverability and more consistent speeds in choppy conditions.
• Lightweight.  An electric setup (including motor, batteries, and generator) typically weighs less than its diesel counterpart.
• No fuel cost.  Charging an electric boat may cost a couple of dollars per charge.
• Easy to maintain.  Imagine the maintenance on an outboard with no gas, spark plugs, or oil! Electric motors are simple, more reliable, and virtually maintenance-free.
• Renewable power.  Once you’ve gone electric you can get power from renewable sources like wind generators and solar panels.
• Better for the planet.  Electric marine motors don’t produce water pollution or produce harmful emissions like carbon dioxide (CO2), nitrogen oxides (NOx), and hydrocarbon (HC).

• Range.  The greatest drawback of electric boats is their limited range, which is often measured in the 10s of miles. Range is limited because batteries don’t have the same energy density as fuel — they can’t provide the same energy, pound-for-pound as a tank of gas. A good battery monitoring system, one that displays the remaining range in real-time, can help boaters manage energy consumption and ease range anxiety. For those who want to go farther afield, hybrid propulsion may be a better option.
• Upfront cost.  This new technology isn’t cheap. For example, a small electric outboard boat motor may sell for two-and-a-half times the cost of a gas outboard. However, prices are expected to come down as the industry reaches scale.

Types of electric boat motors

Electric outboard boat motors.

Some of the first electric outboards to hit the recreational boating market were smaller electric motors, typically used as trolling motors on fishing boats.

Today,  it’s possible to buy far more powerful electric outboard motors in the 1 to 80 hp (.75 to 60 kW) range , with ever more powerful versions hitting the market each year. In 2022, Norwegian start-up, Evoy launched the world’s most powerful outboard to date, the 225kW Storm, a 300-hp beast of an electric outboard! 

The range on electric outboard boat motors varies dramatically depending on your boat, total weight, propellor, and battery capacity .

The range also depends on how fast you want to travel. If you go slowly you’ll have a much greater range.

For instance, at a slow speed (5 knots) Torqeedo’s Deep Blue 50R , a 50 kW motor (80 hp equivalent) with a 40 kWh battery, has a listed range of 33-100 nm. But at full throttle (20-25 knots), the listed range drops to 16-20 nm.

To get a better sense of what range to expect on your boat (at both low and high speeds), you can look at the manufacturer’s website. See our list of electric outboard brands below.

One of the great things about electric outboards is that they can use renewable power sources. So, for instance, you could plug your boat into a portable solar panel while picnicking and get an extra boost for the trip home.

Some electric outboard boat motors can even generate power! Motors with hydro regeneration capabilities can charge the batteries while the boat is being towed or under sail.

While hydro regeneration is a fairly new feature for electric outboards, some manufacturers, like EPropulsion, are offering it across their outboard product line.

Key features of electric outboard boat motors

Each electric outboard motor brand has slightly different standard offerings and add-on features. Here are some of the key features and options to look for.

• Waterproof.  Some electric outboards are fully sealed and designed to withstand immersion
• Remote controls. Choose between tiller and remote throttle controls
• On-board computers . Some electric outboards come with chartplotter connectivity, navigation functions, sonar, GPS anchoring, and autopilot features
• Built-in or stand-alone batteries.  Some of the smaller motors come with built-in batteries, while the larger ones have separate battery packs
• Battery monitoring and tracking systems  that calculate and display the remaining range in real-time
• Shaft length.  Electric outboards come in both short and long shaft lengths to accommodate a variety of applications.
• Hydro regeneration capabilities 

Electric outboard manufacturers

These electric outboard boat motor manufacturers (listed in alphabetical order) range from small startups to large companies and serve the North American market.

If you’re looking to learn more about what each of these companies offers (and how they compare) I’d highly recommend checking out the  Plugboats’ electric outboard guides and directories . Jeff Butler, the editor at Plugboats has done a great job of compiling motor specifications from across the market.

Headquartered in San Diego, California,  Bixby  makes a small electric motor system for kayaks, inflatable boats, canoes, and paddleboards.

Elco  has been building electric motors for 125 years and counts the likes of Henry Ford and Thomas Edison among their customers. Their award-winning electric marine motors range from 5 to 50 hp. The company is based in Lake George, New York, and its electric motors can be found on boats around the world.

Flux Marine

Flux Marine was founded by mechanical engineering Princeton grads and offers three outboard models—a 40 hp, 70 hp, and 100 hp. In 2021, they won an award for the best new green product at the Newport International Boat Show.

Joe Grez, a consumer product developer from Washington, invented the  EP Carry , a compact, ultralight electric outboard system because he was concerned about exposing his young daughter to the carbon monoxide (CO) emissions produced by gas outboards.

The EP Carry retails for $1,600 and is a great size for small vessels like dinghies, canoes, inflatable boats, and kayaks.

ePropulsion

ePropulsion , based in Guangdong, China, manufactures 3 to 9.9-hp electric motors for sailboats, fishing boats, as well as dinghies and tenders. They all come with hydro regeneration capabilities.

Mercury Marine launched the Avator 7.5 electric outboard (3.5 hp equivalent) in early 2023. The leading outboard manufacturer is currently developing more powerful 20e and 35e models which it plans to release later this year.

In 2023, Newport , a well-known US-based inflatable boat manufacturer, launched three small outboards ranging from 1.8 to 3 hp.

If you’re into fishing, you’re probably familiar with the Minn Kota  name, derived from MINNesota North DaKOTA, prime fishing country where the company has its roots. They introduced their first electric trolling motor back in 1934 and they’ve been making them ever since.

Pure Watercraft

Pure Watercraft  was founded by CEO Andy Rebele in Seattle in 2011. Their 25 kW (50 hp) motor starts at $16,500.

Ray Electric Outboards

Ray Electric Outboards is a 3rd generation family-owned business based in Cape Coral, Fl. They manufacture one outboard model that can be operated at different power ratings ranging from 10 to 22 hp.

Stealth Electric Outboards

The 50 and 75-hp  Stealth electric outboards  were developed by Scott Masterston of Houston, Texas.

German manufacturer,  Torqeedo , has been leading the propulsion industry for years and sells some of the best e outboard motors in the 1 to 80-hp range

Vision Marine Technologies  (formerly The Canadian Electric Boat Company). 

Based in Quebec, Canada,  Vision Marine Technologies  has been in the boating industry for 25 years and produced some very innovative electric boats. In 2021, they launched E-Motion 180E, one of the most powerful electric outboards on the market.

Electric inboard boat motors

Today’s electric inboard motors can provide anywhere from  3- to a whopping 330 hp (2 to 246 kW)  and are used in a range of applications from heavy displacement vessels to fast, planing powerboats.

Similar to outboards, the range on electric inboard engines will vary based on your boat, load, battery capacity, and boat speed (among other things).

However, with an inboard electric boat motor, you have the option of a hybrid motor which can significantly extend your range. We’ll discuss the pros and cons of hybrid boat motors later in this post.

Sailors may also want to consider choosing an inboard electric motor with hydro regeneration capabilities. These electric power motors can charge the battery while the boat is under sail.

DIY electric inboard boat motor conversion

One way to save money on an electric inboard is to do the installation yourself. There are a few DIY electric inboard boat motor conversion kits available on the market.

I’ve spoken with a few sailors who’ve had great success replacing their inboard diesel engines with these electric boat motor conversion kits from  Thunderstruck-EV , an electric drive manufacturer in Santa Rosa, California.

Key features of electric inboard boat motors

Each brand has a slightly different set of electric inboard motor options. Here are some of the key features and options to look for.

• DIY conversion kits
• On-board computers  and touchscreen display
• Waterproof  system components

Electric inboard manufacturers

US manufacturer, Elco Motor Yachts , has been building electric motors for over 125 years, having gotten their start in 1893, supplying electric boats for the Chicago World’s Fair. They have seven inboards ranging from 6 to 200 hp.

Electric Yacht

Electric Yacht  is a US supplier focused on providing plug-and-play electric motors for DIY installations on sailboats. Their electric propulsion systems range from 10 to 30. They’ve had over 450 installs in 10 years of production.

Oceanvolt  is a leader in regenerative systems and their electric inboard motors are popular among sailors. They offer shaft drive systems ranging from 6 to 60 hp.

Torqeedo, a German manufacturer, is the world’s leader in electric boat motors. They have two lines of inboards, one for displacement boats and another for fast planing boats. Their Deep Blue inboard systems range from 25 kW to 100 kW (40 to 135 hp)

Hybrid systems

Hybrid systems combine an electric motor and combustion engine, so you can cruise in silence (but know you’ve got enough gas to get home). These systems offer  many of the benefits of pure electric motors, without the limited range. 

If you want  additional power for onboard luxuries  like air-conditioning, hybrids can also provide a significant increase in house-side fuel efficiency.

The downside to any hybrid solution is that the systems are far more complex . Not only do they require more equipment, but, for an optimized system, you’ll need highly sophisticated software to manage multiple power sources and switch back and forth between diesel and electric.

Unsurprisingly, the increased complexity adds cost, making hybrids less economical than either a conventional or pure electric install.

Serial vs. parallel hybrids

As with cars, there are  two types of hybrid systems: serial and parallel.  A serial hybrid uses a generator to power a large electric motor connected to the drive shaft. Whereas, a parallel hybrid has both a conventional combustion engine and a small electric motor connected to the drive shaft.

There are plenty of factors to consider when choosing between a parallel and serial system. Marine mechanics and electrical expert, Nigel Calder, does a great job of explaining  serial and parallel hybrids  in detail.

In general, serial systems may be a better fit for boats that can get most of their propulsion energy from renewable sources (e.g., a sailing catamaran). Whereas, a parallel system makes more sense on boats that regularly require sustained propulsion (e.g.,  Greenline’s power yachts ).

Key features of marine hybrids

• Parallel and serial hybrid options
• Integrated energy management  systems

Marine hybrid manufacturers

Elco motor yachts.

Elco  manufactures serial, parallel, as well as a combined serial-parallel system. Their systems can be used on sailboats, trawlers, yachts, and boats up to 85′ feet.

Hybrid Marine Ltd.

Hybrid Marine  sells parallel hybrid systems in the 10 to 230 hp range. Beta, John Deere, and Yanmar’s hybrids all incorporate Hybrid Marine technology.

Finnish manufacturer,  Oceanvolt , offers serial hybrid systems for both sailboats and powerboats.

Torqeedo  makes hybrid systems for yachts up to 120 feet as well as powerful motorboats.

Electric pod drive and sail drive

Several manufacturers are now making electric pod and sail drives. These electric drive systems are more efficient and can save space onboard.

Electric pod and sail drive manufacturers

Electric Yacht  produces a range of sail drives that can replace diesel engines up to 75 hp.

propulsion  sells a 3 hp, 6 hp, and 9.9 hp fixed pod drive.

Oceanvolt’s  sail drives range from 6 kW to 15 kW (8 to 20 hp)

Torqeedo  sells a 40 hp and 80 hp equivalent electric sail drive as well as electric pod drives in the 6 to 25 hp range.

While it’s possible to power an electric motor with a conventional lead-acid battery, there are many  good reasons to upgrade to lithium-ion batteries.

Their increased usable  capacity is roughly double  what you can get out similarly sized lead-acid battery. More battery capacity means more range—and hours of fun—on your electric boat.

They also  charge more quickly  and have a  longer life span  than lead-acid batteries. Unlike flooded lead-acid batteries, which need to be watered, lithium-ion batteries are practically maintenance-free.

The downside is that lithium-ion batteries are far  more temperature-sensitive  and can’t be charged much above 113 F (45 C) or below 32 F (0 C).

They  can also present major safety issues . Lithium-ion batteries can go into what’s known as thermal runaway—a self-heating process that can cause the battery to catch fire.

Simply put,  lithium-ion batteries are NOT a drop-in substitute for lead-acid batteries.  They need to be specially designed for the marine environment and paired with a robust battery management system.

Electric motor manufacturers often provide complete solutions (including motor, batteries, and battery management system). It’s a good idea to work with a manufacturer with extensive marine experience and an ABYC-certified technician on any installation.

The other catch is that lithium-ion batteries  cost two to four times   as much as lead-acid  batteries. However, the increased capacity and longer life span may make lithium batteries a better value option over the long run.

Ready to catch the electric boating wave?

With ever more powerful and feature-packed electric options launching each year, it’s an exciting time to be in the market for a new motor or engine. If you have any doubts about whether an electric boat motor is right for you, head to your local boat show and see, first hand, what all the buzz is about.

Fiona McGlynn is an award-winning boating writer who created Waterborne as a place to learn about living aboard and traveling the world by sailboat. She has written for boating magazines including BoatUS, SAIL, Cruising World, and Good Old Boat. She’s also a contributing editor at Good Old Boat and BoatUS Magazine. In 2017, Fiona and her husband completed a 3-year, 13,000-mile voyage from Vancouver to Mexico to Australia on their 35-foot sailboat.

Douglas McQuilken

Sunday 30th of January 2022

Great article!

For those who wish to collaborate with prospective & current electric boaters, highly recommend this forum - https://groups.io/g/electricboats

Thanks for the suggestion, Douglas!

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Electric Inboard Motor

H-Series Electric Inboard Motor

H-Series inboard motors are engineered for larger sailing boats and motor vessels between 60 and 100’ (18-30 m) with a full displacement up to 200 tons, that delivers high performance with less noise, fewer vibrations and zero exhaust fumes.

Smaller size, better space utilization

H-Series is about two-thirds lighter and 50% smaller than its diesel counterpart, providing installation flexibility and maximizing payload and passenger space. The flat wire motor increases slot fill by 25% and increases power density.

Modular design, custom solutions to suit your needs

The modular design enables manufacturers to easily extend the range and power by adding motors, controllers and batteries, and having more flexibility.

Boating IoT system, smart and customizable

The boating IoT (ePropulsion Connectivity Service) can be customized and satisfy the customers’ needs of remote monitoring and integrated management.

Optimum performance, pioneering technology

Equipped with pioneering permanent magnet motor technology, the H-Series delivers up to 2000 Nm maximum torque and delivers an impressive 96% efficiency, higher than the traditional 100 kW AC asynchronous motor.

High Expandability

Different power combinations can be chosen according to different power and range requirements, which allows the H-Series to be more expandable.

Safety and reliability

▪︎ IP67 waterproofing ▪︎ Anti-corrosion ▪︎ High accuracy position feedback ▪︎ High torque density ▪︎ Closed-loop cooling

Motor Specs

	540 VDC	540 VDC	540 VDC	540 VDC
	60 kW	85 kW	100 kW	140 kW
	478 Nm	779 Nm	797 Nm	1121 Nm
	1150 rpm	1000 rpm	1150 rpm	1145 rpm
	110 kg	150 kg	190 kg	250 kg
	336 x 285 mm (13.2 x 11.2 in)	336 x 380 mm (13.2 x 15.0 in)	443 x 315 mm (17.4 x 12.4 in)	443 x 387 mm (13.2 x 15.2 in)
	96%	96%	96%	96%
	H	H	H	H
	Water Cooling	Water Cooling	Water Cooling	Water Cooling
	-25°C to 55°C	-25°C to 55°C	-25°C to 55°C	-25°C to 55°C
	IP67	IP67	IP67	IP67

	540 VDC
	60 kW
	478 Nm
	1150 rpm
	110 kg
	336 x 285 mm (13.2 x 11.2 in)
	96%
	H
	Water Cooling
	-25°C to 55°C
	IP67

	540 VDC
	85 kW
	779 Nm
	1000 rpm
	150 kg
	336 x 380 mm (13.2 x 15.0 in)
	96%
	H
	Water Cooling
	-25°C to 55°C
	IP67

	540 VDC
	100 kW
	797 Nm
	1150 rpm
	190 kg
	443 x 315 mm (17.4 x 12.4 in)
	96%
	H
	Water Cooling
	-25°C to 55°C
	IP67

	540 VDC
	140 kW
	1121 Nm
	1145 rpm
	250 kg
	443 x 387 mm (13.2 x 15.2 in)
	96%
	H
	Water Cooling
	-25°C to 55°C
	IP67

Custom-built

Battery can be tailored to fit customers’ needs. The battery power needs to be calculated and determined according to the range requirements. For a 100 kW electric inboard motor operating at full power for 1 hour, the propulsion system will need a 100 kWh battery which can be developed based on the provided specs.

	540 VDC
	487 ~ 604 VDC
	/
	/

	-30℃ ~ 60℃
	＞3500 times
	＞8 years
	0℃ ~ 60℃

	540 VDC
	487 ~ 604 VDC
	/
	/
	-30℃ ~ 60℃
	＞3500 times
	＞8 years
	0℃ ~ 60℃

*The battery specifications are based on a 100 kW electric inboard motor operating at full power for 1 hour. Actual performance parameters may vary depending on battery capacity. **Battery capacity and total system energy can be customized to fit customers’ needs.

	9~16 V
	540 VDC
	400 ~ 720 VDC
	160 kVA
	270 A
	98%
	IP67

	9~16 V / 18~32 V
	540 VDC
	400 ~ 720 VDC
	160 kVA
	270 A
	99%
	IP67

Smart and user-friendly control system

The HMI system, Smart Throttle and Smart Display 5″ provide excellent user experience in controlling and monitoring.

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An E-volution for the electric boat market

Evoy® HURRICANE 400+HP

Nominal. 300 kw/ peak. 600 kw.

Ideal for 25 to 35 ft boats for single installation and 30 to 50 feet for double installation

Evoy® Storm 300+ HP

Nominal. 222 kw / peak. 450 kw.

Ideal for 25 to 35 ft boats for single installations and 30 to 45 ft for double installations.

Evoy® Breeze 120+ HP

Nominal. 90 kw / peak. 137 kw.

Ideal for 15 to 25 ft boats for single installations and 23 to 30+ ft for double installations.

A new era in maritime history

Evoy®’s turnkey inboard electric motor is a robust system designed for 1000+ hours per year. Due to over-the-air updates and programmable system, we can monitor, troubleshoot and update the software onboard. The system is nearly maintenance-free, very affordable to use and fits any kind of boat including retrofits. It can be connected to a stern drive, water jet, or shaft.  

The motor’s robust construction is CE approved and rated IP66, and ensures reliable performance in both fresh and saltwater environments.  Thanks to the innovative E-Brain™ management system, maintenance costs and downtime are reduced. This cutting-edge technology prolongs the motor’s lifetime compared to conventional systems, making an Evoy® inboard system the  go-to-solution as you are making the shift to sustainable boating.  

Worry Free Electric Boating

Evoy®’s high-output electric motor systems are powerful beyond all expectations with full torque from zero rpm.

The Breeze motor system has a 6 kW AC charger as standard, and the Hurricane system 20 kW AC. Options to upgrade to several chargers to 20 or 40 kW AC capacity for faster charging on normal outlets or wall boxes. Our systems are fully compatible and included with DC charging (also called Supercharging) enabling up to 200 kW supercharging, however limited to 1C continuously.

Liquid-cooled battery

The batteries have been tested and approved according to DNV strict safety regulations. The batteries have IP67 waterproofing and liquid cooling. Designed for 3000 charging cycles with 70% DOD. Choose between 63, 126 or 189 kWh battery packs.  

Smart boating

Evoy®’s High Contrast TFT Touchscreens make your e-boating experience a treat. With the option of 10” or 16”, single or dual screens you are able to move physical buttons to the screen.

• Weather updates • FM / DAB / radio • Full Marine Navigation • Bluetooth • WiFi & 4G • Over-the-Air updates • NMEA support • Real-time motor/battery status • Charging Management • Monitor cost and CO2 savings • Triplog

• Echo-sounder w/data dashboard visualization • Automatic Identification System (AIS) for traffis monitoring

Enjoy complete overview of your boat from the comfort of your couch. The Evoy control system is connected 24/7. This means that we can show you near real time information about your boat as well as put you in complete control from the palm of your hand.  

Monitor the position, speed and heading of your boat at any time.  

Know your boat’s current state of charge, set charging threshold, start or stop charging. Manage charging directly from your phone without needing to be near the boat.  

Don’t worry about the starter battery draining, again. See current and historical values for starter battery voltage. More sensors and possibility to set up alerts coming soon.  

Your trips will automatically be recorded. See all your trips. Where you went, how fast you drove and how much energy you used.  

Multiple users? No problem. Share boat access from our app. And unshare it.  

Borrowed some energy at a friends house? Get full overview of your charging. When, where and how much did you charge.   

By driving an electric boat, you have zero emission while driving. See how much CO2 you are saving compared to a diesel or petrol boat.  

Get notified if you boat drifts or travels outside of a pre-defined area.  

Breeze™ 120+ hp

Power 90+ kW

Torque 170 Nm

Weight 90 kg

Gale™ 200+ hp

Power 150+ kW

Torque 270 Nm

Weight 150 kg

Storm™ 300+ hp

Power 225+ kW

Torque 550 Nm

Weight 165 kg

Hurricane™ 400+ hp

Power 300+ kW

Torque 770 Nm

Weight 290 kg

Evoy®’s vision is to deliver an irresistible and emission free boating experience

Boats emit 10-15 times as much CO2 as cars traveling the same distance, and globally smaller boats stand for +50 m illion tons CO2 every year. We want you to have peace of mind using our long-lasting and sustainable electric motor systems which gives you the opportunity to be part of making our oceans clean again.  

The benefits that come with switching to electric don’t stop there.

How long does it take to charge.

With a 6 kW AC outlet you can charge one battery (63 kWh) in about 10 hours. With a 22 kW outlet you charge one battery (63 kWh) in about three hours. With the DC supercharger of 75 kW you can charge one battery in about one hour . With a DC 150 kW you can charge one battery in about 30 minutes. 

With two battery packs charging time is doubled.

What incentives are available?

For businesses in Norway, there is an incentive program for through Enova which supports commercial crafts with more than 100.000 kW use /25 tonn CO2 emissions with up to 50 % of additional cost. Fishery and fish farming boats can receive up to 50% funding regardless of power/emissions. In addition to support for the system itself there is also up to 40 % support for infrastructure and project costs. Evoy® can help with Enova application and submission.  

How far can I go?

This is fully dependent on the boat and the size of the system that you put in it. However, with today’s battery technology you can expect between 15  to 30 nautical miles at a planing hull speed . With a hydrofoil significantly more range can be achieved. At a slower speed, below hull speed (approximately 5 knots for a 25-footer), this range can be quadrupled.  

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Elco Motor Yachts has been at the forefront of marine innovation, proudly boasting a rich history spanning over 130 years. The company supplied 55 groundbreaking electric launches at the 1893 Chicago World’s Fair. The vessels, powered by Elco’s electric boat motors, swiftly captured the hearts of boating enthusiasts worldwide.

Today, Elco’s award-winning electric outboards and inboards are not only reliable and powerful but also embody the company’s steadfast commitment to sustainability. When you buy an Elco electric motor for your boat, you’re purchasing more than just a product—you’re investing in a cleaner, quieter boating experience.

Whether you need an inboard or an outboard, Elco has the best electric boat motors for sale for you when you’re ready to switch to electric propulsion. Our electric marine motors outshine traditional gas-powered motors. They’re quieter, they’re kinder to the environment, and they’re quality choices. Experience the superior performance and environmental benefits of our electric boat motors today.

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