Mount the battery into compartment with the positive and negative electrodes corresponding to polarities marked in the compartment.
Reference Figure:The battery pack is designed with Micro USB port for charging.
Reference Figure:The battery pack is powered by two external cells and designed with indicator lights which shall flash red green to indicate charging state.
The red light is on during charging while the green light is on as the pack is fully charged, when the head lamp is working, the red indicator light would go on at high light.
Reference Figure:The battery pack is powered by two external cells and designed with LOGO that can glow at a prominent site, Press the button on the pack , The LOGO would belighter in blue and flicker, which can be a warning signal light