EFOY Pro fuel cells are intelligent power generators that can be used to continuously and fully automatically recharge batteries. The fuel cell is connected directly to the battery supplying the consumer and monitoring its charge status. Depending on requirements, the fuel cell switches on automatically, recharges the battery and then returns to standby mode without any maintenance or user intervention required. EFOY Pro energy solutions combine power generation via EFOY Pro fuel cells and energy storage with batteries in a suitable housing. There is still sufficient space for customer-specific adaptations.