Proton Motor Power Systems PLC, formerly Proton Power Systems PLC, designs, develops, manufactures and tests fuel cells and fuel cell hybrid systems, as well as the related technical components. The Company operates through the green energy segment. The Company offers uninterruptible power supply (UPS) and solar battery storage products through its subsidiary, Proton Motor Fuel Cell GmbH. It offers PM Module S5 and S25 with approximately five kilowatts and over 25 kilowatts for stationary power. It designs power solutions of approximately 250 kilowatts for stationary power to be used in UPS or Smart Grid applications. It offers a solution, including fuel cell, to produce hydrogen and tank facilities for hydrogen storage. The solution provides approximately five kilowatts of continuous or back up power. It offers mobile approximately eight kilowatts and over 25 kilowatts fuel cell system to operate as a Range Extender for battery driven light duty vehicles or inner city buses.