The Spirit 1.0 easily matches a 3-hp petrol outboard, and provides more than sufficient propulsion for a 10 ft tender, or can work as an auxiliary power for a vessell of up to 1.5 tonnes. Pushing the limit of range with its high energy efficiency, propeller design and battery capacity, the Spirit 1.0 incudes one large 1018 Wh battery – the largest for a motor of this size. Like all other ePropulsion products Spirit 1.0 is lifetime maintenance free.

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Sustainable Boating

ePropulsion products are clean, efficient and harmless on the marine environment. No fuel leak and exhaust-free. Reduce your carbon emissions for sustainable boating activities.

ePropulsion is commited to providing a green boating drive system, helping to alleviate the enviromental problems we face today.

Spirit 1.0 reduces noise pollution with 55dB maximum operating noise - the sound of a normal conversation, and field orientated control means the motor operates with less vibrations.

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The Spirit Battery

Lithium-ion polymer battery 
40.7 V nominal voltage 
46.2 V final charging voltage 
33 V cut-off voltage 
0°C - 45°C / 32˚  F - 113˚  F charging temperature 
-10°C - 60°C / 14˚  F - 140˚  F discharging temperature 
Over 80% capacity after 500 cycles of 100% DOD 
3 hr charging time (Fast charger) 
7 hr charging time (Standard charger) 
Battery management system 
Floatable design


The Spirit 1.0 is designed for portability. It’s compact, lightweight and easily stored in our customized storage bags. Installation and removal are hassle free for easy transport. A foldable tiller means no need to remove for transport, the total weight is 19.4 kgs which is within the comfortable manual holding load.

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