1. In the process of charging mobile phones and other digital electronic products, the charging current is from large to small, and the current is small to a certain extent, the charging treasure will think that the charged battery is close to full, and the protection circuit will disconnect the circuit to stop charging and automatically close the charging treasure.
2, some mobile phone rated charging current is relatively small, the charging treasure mistaken for close to full, resulting in the automatic shutdown of the charging treasure.
3, some charging treasure quality is general, the detection of charging current error is large, resulting in misjudgment of power failure, and then work for a few seconds will automatically shut down.