... hydrogen and oxygen to the fuel cell module to generate the power. you can use it in the experiment for educational purpose. ... ,9 Volt DCOutput current: 0-0,3 Ampere Output power: 0-0.18WU-I Curve: 0A, 0.9V; ... voltage: 1.8- 2.4VDC (you can connect to DC power, battery, or solar panel, etc.)Input current: 0 ... (H)Weight: 70g PEM Cell + electrolyzer fuel cell to generate power, for experimental education