1. Quality problem of charging treasure
May have bought defective or counterfeit goods, the battery cell is easily damaged. If it has not been bought for a long time, contact the business to return it.
2. Charging cable problem
The data cable is in poor contact, it is recommended to use a new wire or use the original data cable. When the charging treasure is sold, it is generally equipped with a charging cable. When the charging treasure is not charged, first check whether the charging cable is broken, and you can use the data cable of the mobile phone to charge the charging treasure.
3. Charging head problem
The charging bank may 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.
4. 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.
5. The charging treasure is damp
Many people buy a power bank spare, do not often use, put aside. Electrical things are afraid of damp, put a long time easy to break. If it is for this reason, it can only be sent for repair. Therefore, for the service life of your charging bank, please try to place the charging bank in a dry environment, and charge it regularly for a long time.
6. What should I do if the charging bank is broken
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 can not be used. If the charging treasure is more expensive, you can go to a qualified repair shop; If it's cheaper, just buy a new one.
Second, the charging bank can not charge the mobile phone
1. Determine whether the charging bank has electricity
First of all, confirm whether the charging treasure is out of power, excluding this case, it is possible that the battery in the charging treasure is broken, or the charging treasure circuit board is broken. If the power bank is broken, send it for repair or buy a new one.
two
Voltage or current problem
Because some mobile phones are more special, the voltage is different, so it can not be charged, the normal lithium battery is 3.7v voltage, like the Apple phone uses 5v voltage, if you do not do the boost case, the general lithium battery is unable to charge the Apple phone.
three
Interface problem
Because the mobile power supply in order to adapt to a variety of mobile phone applications, the mobile power supply is configured with a common mobile phone interface. If your phone interface and the charging bank interface do not work, you should change a data cable to try.
four
Mobile phone special
Some mobile phone itself is special. They strictly control the charging voltage, voltage and current, resulting in some mobile power can not charge for it, try a charging bank.