The main reasons are:
1, the power of the charging treasure is insufficient to automatically power off, you can charge the charging treasure for a period of time, and then charge the phone after the power is sufficient.
2. The connection between the charging bank and the mobile phone is faulty, resulting in automatic power failure. For example, the connection between the data cable and the charging bank, the data cable and the mobile phone is loose. If necessary, you can change a data cable to reconnect the charge.
3, the mobile phone system problem leads to automatic power off charging, you can restart the phone to try, or turn the phone off and try charging in the shutdown state.
4. It may also be caused by the hardware failure of the mobile phone or charging bank, such as the charging port failure of the mobile phone, the internal circuit failure, the mainboard chip and other parts failure, or the battery failure of the charging bank, the circuit board failure, etc., which needs to be repaired or replaced by the corresponding after-sales service.