Main Technical Functions Of Battery Protection Board

1. Overcharge protection

2. Over discharge protection

3. Overcurrent and short circuit protection

The solution after the mobile phone battery starts protection (from the network):

1. Use the original direct charge to charge the mobile phone directly, and the protection circuit of the battery protection board will be automatically opened.

2. Short-circuit the positive and negative electrodes of the battery in an instant, and see that there are sparks on the electrode pads, try a few more times, and then use the direct charge to charge.

3. Find a 5V DC power supply, touch the positive and negative poles of the battery with the positive and negative poles, try several times, and then use the original charger to charge.