How to solve the problem that the battery of MacBook Pro is not charging after plugging it in?

How to solve the problem that the battery of MacBook Pro usually does not charge when it is plugged in?

Model: MacBook Pro 2018

Phenomenon: After confirming that the power supply is normal, the battery does not charge after connecting to the power supply. This phenomenon is irregular and occurs occasionally.

Reason: Mac has an SMC module. Whether to charge the battery is controlled through the SMC. Sometimes the control logic may be abnormal. Just reset the SMC.

Method: https://support.apple.com/zh-cn/HT201295#t2

Choose Apple menu > Shut Down.

After your Mac shuts down, hold down the right Shift key, left Option key, and left Control key for 7 seconds. Then, while holding down the power button, continue to hold the keys for 7 seconds.

Release all three keys and the power button and wait a few seconds.

Press the power button again to turn on your Mac.