Caution:

Do not put the battery in water and keep the battery in a cool dry surrounding.

Do not use or leave the battery near a heat temperature (in fire or a heater)

Do not reverse the position and the negative terminals.

Do not open the battery if you are an amateur, it is very dangerous.

Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects.

Do not transport or store the battery together with metal objects such as hairpins, collars, etc.

Do not directly solder the battery and drill the battery with a nail or other sharp objects.