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How many charging treasures have been charged in my mobile phone?

It may not be the mobile phone, but the battery of the charging treasure is not good, the control unit DCDC is not good, and the voltage is unstable. It's not a mobile phone, but a charging treasure. The battery is not good and the module is unstable. Please confirm whether it is a fake charging treasure or not. These two are easy to damage the charging treasure. It is also very important that the charging treasure works too long, which is easy to cause damage. Suggest rational use.