The Function of Protective Board to Battery

2017-06-07Back to news

Mobile phone battery have a protective board, which will be APO (Automatic Power-Off) in special occasion.


A. Overcharge protection. It will automatically stop charging when battery full. 

B. Overdischarge protection. When battery discharged to 3.2V, it will automatically stop. 

C. Short-circuit protection.


It means the battery will be provided with automatic short-circuit protection when it happens to short circuit. That is to say, generally the battery needs about 2-3 hours to reach full charging. Then the circuit will be disconnected, so it makes no sense to continue charging.