It is possible that the battery power displayed on the phone is itself virtual, which is generally a system problem, you can first shut down and restart and then charge to calibrate the power.
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② Background run multiple programs at the same time
It is recommended to clean the background application of the phone frequently, because the background runs multiple applications at the same time, which will constantly refresh the data in the background, thereby increasing the power consumption.
3. Keep unnecessary functions on
Bluetooth, GPS, NFC and other functions can be temporarily turned off when not in use to save power.
④ The screen brightness is turned up too high
The brightness of the phone's screen can be set to automatically adjust, which saves electricity and helps protect your eyes