How to power for DC12V appliances (head lamp, fan, etc.) with this product:
Plug your devices into the DC output port to and press the power button to gain power.
Note: Confirm that your DC12V appliance supports charging with 5.5mm/2.1mm DC header interface (the diameter of the DC Port of the Product is: 5.5mm/2.1mm). If not, an adapter may be necessary to connect with the DC output correctly. Please consult the electrical
manufacturer to purchase the necessary adapter if needed.