The fuel cell – the dot on the i for maximum freedom! Erich H. The EFOY fuel cell is just right for my needs. As a licensed amateur radio...

EFOY works perfectly even under hard conditions From Thibaut V.-C., Skipper I’ve been using an EFOY fuel cell since my participation of...

With EFOY, Norway and Scotland are a dream Detlev V. For decades, we have been absolute "camping opponents", successfully carrying out...

Reliable energy supply for unmanned deep-sea missions Roland S. Five years ago we started with the development of robot sailing boats. In...

“We never leave without it” Do without anything in the motorhome because electricity is running low, that was yesterday! Jürgen R.,...

During a typical bicycle ride (30 km in a hilly region), about 200 watt-hours are used by the battery of an electric bike. In order to...