Fuel cell power generation modulePower generation area: 25mm*25mmGeneration voltage: 0V---0.9VUse steps of power generation battery Block the lower air outlets on both sides.(2) that air outlet on both sides are connecte to the gas device by conduits. Connect the anode and cathode of the battery to 02 and H2 respectively. Open the lower air outlet on the plug to exhaust the air in the battery. Connect the load.Precautions for use There are two air outlets on both sides of the battery. Oxygen is introduced into the positive electrode and hydrogen is introduced into the negative electrode of the battery.(3) can't short circuit operation for a long time.4 Do not apply voltage to the battery voltage output terminal. Put it in a self-sealed bag after use.