What to do when a power bank can't charge?

Interface and data cable issues

The interface and data cable of the power bank connect the power source to the power bank. If the interface is loose, damaged, or the data cable has quality problems, the electricity will not be transmitted smoothly. 

At this point, users can try to replace the data cable or check if the interface is secure. If the problem persists, further troubleshooting may be necessary. Based on the above reasons, when purchasing a power bank, it is recommended that users choose a power bank with a built-in data cable, which can avoid some of the problems caused by uneven quality of charging cables and is convenient to carry.

Insufficient power bank battery capacity

When the power bank is out of battery, it naturally cannot provide electricity to other devices. At this time, users need to connect the power bank to a power source for charging. Generally, the charging time of the power bank will vary depending on its capacity and the charger's power. During the charging process, please ensure that the appropriate charger and data cable are used to avoid damage to the power bank.
ESC's three-in-one power bank has a GaN charging adapter, which can greatly shorten the charging time of the power bank and save trouble of bringing data cable and charging head when going out.

Power socket issues

The power socket connects the power source to the power bank, which is a critical link. If the socket is damaged, aged, or cannot supply power normally, the power bank will not be able to obtain electricity. At this time, users can try to replace the socket or use other devices to test if the socket is working normally.

Internal faults of the power bank

If none of the above methods can solve the problem of the power bank not being charged, it may be due to internal malfunctions of the power bank. This may be due to the burning of the power management chip or damage to the batteries, etc. In this case, it is recommended to send the power bank to a professional repair center for maintenance.

Other interference factors

In addition to the above common reasons, there are other factors that may affect the normal operation of the power bank. For example, electromagnetic wave interference in the surrounding environment, or the power bank's scope of application not matching the device. When using a power bank, try to avoid placing it in a strong magnetic field or environment with strong electromagnetic interference, and ensure that the power bank is used correctly and is suitable for oneself.

In summary, when the power bank cannot charge, users can troubleshoot in terms of interface and data cable, the power bank battery capacity, power socket, internal malfunctions, and other interference factors. By identifying these possible causes one by one, users can quickly find the root cause and solve it. At the same time, when using a power bank, please follow the correct usage methods and precautions to ensure its normal operation and prolong its service life.