1, the data line contact is poor, it is recommended to change a line or use the original data line;
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2, the charging bank can not be charged because the charging head is not good, or the output current is too small, you can use the computer to charge, or change the 2A adapter to charge the charging bank to try;
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3. The power supply of the charging treasure is excessive, resulting in no charging. Use a cable with usb ports at both ends, plug one end into the outlet of the charging bank, plug one end into the u port of the computer, one to three minutes, you can activate. Take it off and charge it normally
1. It may be that the charging bank interface has poor contact or there is a problem with the data cable. Try to reinsert the interface and replace the data cable connection;
2, it may be that the power of the charging bank is insufficient, try to recharge the charging bank before use;
3. It may be that the power management chip of the charging bank is burned or the battery core is damaged, and the corresponding parts need to be returned to the factory for maintenance and replacement.