one
The charging voltage is not up to standard, use the original charging plug to charge.
two
Battery life is too long, replace the battery.
three
The phone runs a large program in the background, resulting in cleaning the background before charging.
four
Mobile phone data cable problem, change the data cable.
Should be the use of poor quality charger current instability, resulting in battery damage or damage, you can go to the mobile phone shop to change a battery. thank you
Xiaomi phones generally have a power protection function. Let's say you're playing a big game. Cell phones have limited charging power. Fast charging is normal only when the lock screen and the phone temperature is low.