It is recommended to replace the data cable or charging head, because it does not rule out the problem of the data cable or charging head. After some charging head is used for a long time, part of the fault will not be charged, it is recommended to replace the charging head and keep charging for more than 6 hours.
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2, the charging treasure may enter the charging protection state, resulting in no charge. You can plug the charging bank into the USB output of the computer and charge it for 2 hours to release the charging protection state, and then it can be used normally. Solution: 1, whether the charging bank you use carries a switch, if there is a switch design, please long press the switch for about 1.5 seconds, turn on the discharge function of the charging bank, and then connect the mobile phone to charge; 2, please check whether there is poor contact between the two ends of the data cable, it is recommended to replace a data cable test;
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3, please confirm whether the charging bank has stored electricity, insufficient power, please charge the charging bank before use;