How to do if battery pack can not charge or discharge?

battery pack can not charge or discharge

1. Battery pack can not be charged:

The battery pack can not be charged during charging, which can be divided into the following reasons: the charger is connected backwards or the charger is faulty; the protection board protection is not restored or the protection board is faulty; the battery pack and the external circuit of the appliance are disconnected. For the above bad phenomenon processing in turn: whether the charger is connected backwards, whether the battery pack charging positive and negative plugs are connected backwards; restart the appliance to lift the protection board protection, measure whether the protection board MOS tube has drive voltage; find whether the wiring connection is loosely disconnected.

2. Battery pack can not be discharged:

The battery pack can not be discharged normally when using, there are several reasons: low battery pack voltage, protection board or controller damage; discharge positive and negative terminals are reversed; line disconnection or switch is not open. For the above bad can be taken to the battery pack charging, find the protection board or line connection problems to solve.

Related News