BMW 750hL PEM Fuel Cell APU

The compact fuel cell battery simply occupies the space otherwise taken up by the conventional lead acid batteries of the 7 Series sedan.

Power	5kW
Voltage	42V
Efficiency	45% (system)
Volume	20L (stack) 48L (system)
Weight	22kg (stack) 45kg (system)

Applications of the fuel cell

All lighting Air-conditioning with car stationary Heater with car stationary