1. First check whether the charging cable is broken, and use the data cable that comes with the phone to charge the charging bank for a try;
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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, use the computer to charge or change the 2A adapter to charge the charging bank for a try;
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3. If you have tried both methods and can not charge, then you can be sure that the charging treasure is broken and directly sent to the manufacturer for maintenance;
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4. Charging treasure is a fragile part, in order to be able to charge normally, usually also need to do maintenance work;
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5. Don't knock or throw the charging treasure randomly at ordinary times. Try to choose a dry and not humid environment for storage. Charge and discharge at least once a month to maintain the vitality of the charging treasure;
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6. When not in use, keep more than 50% of the capacity of the charging bank to ensure the service life of the charging bank.
In this case, replace the charging cable and try to see if the charging cable is in poor contact. To replace, handle, use can solve this situation, you can replace when this charger hardware problem is replaced