Spirit 1.0 Plus
Portable electric outboard
Portable Electric Outboard Motor Spirit 1.0 Plus
Spirit 1.0 Plus portable electric outboard

Why switch to cleaner propulsion?
See our tank test. Electric motors VS 2 & 4 stroke outboards. You’ll be amazed!
Get ahead with the industry leading Spirit 1.0 Plus portable electric outboard motor. This hugely popular performance, rechargeable outboard motor is a highly reliable and affordable step to greener boating.
Why is an electric outboard better?
- 1kW offers equivalent power to a 3hp engine
- clean, quiet, less harm to nature & the oceans
- extensive motoring range & capacity
- up to 5 hours / 22 miles in 3m tender
- maintenance free – no fuel or oil on board
Lightweight and highly portable, this outboard motor can be recharged using 12 volt output or solar power. The unsinkable battery floats if you drop it and and is recyclable.
Reliable, flexible boating
Like all the innovative ePropulsion motors, the Spirit 1.0 Plus is built to last. The motor passed a continuous 83 day run test, with flying colours.
It was voted ‘Best Buy’ in the Yachting Monthly test of 12 electric outboards!
Easy to carry and store on board, the battery separates from the propeller shaft, which makes it perfect for:
- yacht tenders
- SIBs (small inflatable RIBs)
- day sailing boats & dinghies
- small motor boats and day boats
- fishing boats
The Spirit 1.0 Evo model is also available with Hydrogeneration (to recharge under sail) and with remote control steering options.
Portable electric outboard efficiency
The 1276Wh battery means 75 minutes run time at full throttle compared to 45 minutes for an average 3.5hp petrol outboard at full power.
It’s highly efficient battery means more reliable boating and more effective boating.
All ePropulsion’s electric outboards use a direct drive motor which has considerably more torque than a motor using gears. Because it is more efficient than a combustion engine it conserves overall use of power.
With few moving parts and no fuel, oil or grease needed, you’ll save money too as there is no maintenance, winterising or servicing required.

Key features of the Spirit 1.0 Plus

Kinder to the environment
- clean and easy to store on board or in your car
- silent – less disruptive to wildlife and fish
- no risk of fuel leaks or water pollution
- make history of exhaust fumes & air pollution
- no fuel reduces any fire risk on board
Battery (self) management
- self-hibernation so when not in use the battery will discharge itself
- no need for manual discharging
- fully recyclable at end of life

Completely buoyant, waterproof battery
- the battery floats in case you drop it!
- fully waterproof rated IP67
Spare batteries & accessories
Additional batteries and chargers are available. The Spirit motors can also be connected to ePropulsion’s larger E-Series batteries.
Full 5 year warranty
ePropulsion are offering a full five warranty for the motor and battery for non-commercial use – for a limited period only.
Don’t forget to register your new engine!
Technical specifications – ePropulsion Spirit 1.0 plus & evo portable electric outboards
Motor | Safety |
---|---|
Input power: 1 kW | Kill switch to stop |
Motor weight 10.6 kg | IP67 waterproof protection |
Three shaft lengths: | Propeller collision emergency stop |
Extra short 525 mm (for small tenders) | Reinforced transom mounting |
Short 625 mm | Low battery indicator |
Long 750 mm | Over temperature protection |
Battery specification | Ease & convenience |
Battery capacity: 1276 Wh | Integrated foldable tiller - easy stowage |
Battery life: 500 cycles at 80% DoD | Integrated display - runtime, power etc |
Battery weight: 8.7 kg | Solar panel recharge compatible - max 180 W |
Flotable, waterproof to IP67 | Protective beach mode |
Battery charging time | Propeller |
Solar, mains & 12 volt | Prop size: 28x14.7 cm / 11' x 5.8' |
Fast charger: 3.5 hours | Tilt angle 70° |
Standard charger: 7 hours | Trim angles inc 0°, 7°,14°, 21° |
Battery management system | Drive |
Lithium-ion polymer battery | Stepless forward & reverse control |
44.8 V nominal voltage | 360° tiller steering, direction lockable |
52.2 V final charging voltage | Direct drive |
33 V cut off voltage | Rated RPM 1,200 |
Charging temperature 0° to 45°C / 32°F to 140° F | 316N / 71 lbs static thrust |
Operating temperature: -10°C to 60°C / 14°F to 140°F | 55% overall efficiency |
Hibernation mode - when not in use | Natural cooling |
Field oriented motor control |
Three shaft lengths

Electric outboard comparison with traditional outboard engine
The data below shows the efficient propulsive power of the ePropulsion electric outboard. Compared with the combustion outboard, it produces very similar power whilst using the energy far more effectively.
Power & range | ePropulsion Spirit 1.0 Plus | Average 3.5hp petrol outboard |
---|---|---|
Trolling speed runtime: | 13 hours | 5 hours |
Half speed runtime: | 5 hours | 2.5 hours |
Full throttle: | 75 minutes | 42 minutes |
Energy stored: | 1.27 kWh | 9.7 kWh |
Energy efficiency: | 55% | 5% |
Power at propeller: | 550 w | 570 w |
Spec comparison | Electric outboard features | Traditional outboard features |
Drive mode: | Direct drive - more torque, no gears | Gearbox + cables |
Maintenance: | None | Every 50 hours |
Cooling system: | Natural cooling | Seawater cooling |
Starting: | Electric - button press | Pull start |
Runtime display: | Yes | No |
Anthony Jones compares the Spirit 1.0 Plus
Range – how far can you go with an electric outboard?
Range in a 3m tender
Spirit 1.0 Plus has a 1276Wh integrated battery. At full throttle (1000 watts), you get 6.2 mph for 75 minutes. The range is 7.75 miles.
At a reduced throttle speed, 25% of maximum uses 250 Watts. You will get 4.4 mph for 5 hours with a range of 22 miles.
Range in a 21′ sail boat
Similar test conditions were conducted with an RS 21 sailing keelboat, with a variety of throttle speeds.
Wind: F3
Tide flow: 1.4 knots
Location: Hamble River
Distance: 5.15 miles
Time: 1 hour 22 minutes
Battery amount used: 39%