Reliable Off-Grid Power Wherever
and Whenever you need it!

100 % Reliability and Operating Safety

100 % power availability thanks to hybrid operation of battery and fuel cell. The battery is continuously monitored and recharged by the EFOY Pro fuel cell, for non-stop operation of your application. The EFOY Pro will produce electricity in any weather, climate or season, from the desert to the Arctic Circle. The high power reliability with EFOY Pro eliminates downtime costs.

Long Periods of Autonomy, Maintenance-free

EFOY Pro fuel cells supply maintenance free Off-grid power for several months without any user intervention. EFOY Pro uses liquid methanol, a fuel with superior energy density. Ten liters of methanol, weighing a mere 8.4 kg, generate 11.1 kilowatt hours. Two 28 liter fuel cartridges can power a 25 watt device for approx. 15 weeks.

Remote Monitoring

The EFOY Pro fuel cell can be remote monitored. It will inform the user in time when a fuel cartridge has to be replaced, provide planning security, reduce administrative and maintenance costs by ensuring that the system is running perfectly.

Lightweight and Compact

Weighing in at a mere 9 kg (20 lbs) and measuring 43 x 19 x 28 cm (17 x 8 x 11 in), the EFOY Pro fits into any switch cabinet and is easily carried to remote sites.

Quiet and environmentally friendly

Quiet and environmentally friendly The EFOY Pro helps to reduce fine dust pollution through its environmentally friendly operation. In operation, it only emits carbon dioxide and water in small quantities. Thanks its environmental friendliness it can be operated in nature preserves or inside vehicles and rooms. EFOY Pro fuel cells are also suitable for covert power supply, working without detectable vibrations, noise, exhaust or heat.

Learn more about where EFOY Pro fuel cells are already successfully in use

Application Overview


In accordance with the CLP regulation, methanol is classified as toxic and highly flammable substance. Please refer to the safety data sheets for further information.