The mobile power supply is a portable charger that integrates power supply and charging functions. It can charge mobile phones and other digital devices anytime, anywhere or standby power. Generally, lithium batteries or dry batteries are used as power storage units, equipped with a variety of power adapters, which usually have the characteristics of large capacity, multi-purpose, small size, long life, safety and reliability. Sometimes there are various problems with the mobile power supply, so what should I do if the mobile power cannot be charged?

　　1. The adapter does not match the mobile phone or digital product. When you encounter this problem, you can use the data cable of the mobile phone or digital product itself to link the mobile power supply to charge the mobile phone or digital product.

　　2. You can try to connect other mobile phones to the power bank to see if there is also a situation where the battery cannot be charged into the mobile phone. If not, it may be a problem with the mobile phone or the data line. If the power bank is really unusable, you can send it for repair or directly replace it with a new one.

　　3. The power bank is not firmly in contact with the dual cable interface. The mobile power supply and the dual cable interface are not firmly in contact. It may be that the USB interface on the mobile power supply has been loosened during use. It can be shipped to the factory during the warranty period. Warranty, no longer within the warranty period, as long as the cost of replacement parts is called factory repair.

　　4. The voltage of the mobile power supply is too low. The voltage of the mobile power supply is about 5V. Normal mobile phones have nothing to do. However, the voltage requirements of several mobile phones have to be charged at a few volts. If it is such a mobile phone, Special instructions from the factory are needed to adjust the voltage of the mobile power supply.

　　5. All kinds of electrical appliances need to be placed in a dry, low-humidity environment, and a high-humidity environment is not good for the preservation of all kinds of electrical appliances. Therefore, for the service life of your mobile power supply, please try to move it as much as possible. The power supply is placed in a dry environment.