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 then charge it normally, it's good;
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4, check the charging treasure interface, circuit board, battery, to see where the fault, the most vulnerable charging treasure has the interface, battery, circuit board these three plates, any bad will lead to the charging treasure can not be charged or used.
failure cause
The internal coil or circuit of the power bank is faulty and needs to be replaced or repaired. Please contact after-sales service for repair.
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The device itself has a hardware fault and cannot receive the wireless charging signal. Please contact after-sales service for repair.
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To sum up, if your wireless charging bank has power but cannot charge the device, you need to conduct the corresponding investigation according to the actual situation.
Cause 1: Whether the mobile phone model supports wireless charging OR whether the wireless charger matches
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Wireless charger sometimes put up no response, first of all, depends on the mobile phone model support, do not need to install wireless charging coil.
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a. Mobile phone built-in wireless charging receiver: it can be charged directly on the wireless charger.
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b. Wireless charging receiver contact is reserved inside the mobile phone: wireless charging receiver coil needs to be installed to achieve wireless charging.
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c. The mobile phone itself does not support wireless charging at all, and it is necessary to install a wireless charging receiving back frame to achieve wireless charging.
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2. Whether the wireless charger indicator light is displayed normally