Solution:
After the Mi Notebook Air 13.3 inch is charged to 100%, unplug the adapter and the power drops to 95 % or above, and then plug in the power adapter to directly use the power adapter to supply power, preventing repeated charging and effectively protecting the battery. If the battery is below 95% , plugging in the power adapter will keep it fully charged. Mi Notebook Air 12.5-inch, Mi Notebook Pro battery will be charged to 100%, after full, it will start the protection mechanism of the battery to prevent the battery from overcharging and protect the battery.
After the Mi Notebook Air 13.3 inch is charged to 100%, unplug the adapter and the power drops to 95 % or above, and then plug in the power adapter to directly use the power adapter to supply power, preventing repeated charging and effectively protecting the battery. If the battery is below 95% , plugging in the power adapter will keep it fully charged. Mi Notebook Air 12.5-inch, Mi Notebook Pro battery will be charged to 100%, after full, it will start the protection mechanism of the battery to prevent the battery from overcharging and protect the battery.