Lithium batteries will wear out after a period of time, and some friends want to know how much their iPhone batteries have been lost, but they do not know how to operate. The following Xiaobian will teach you the method.
Demo: iPhone XS
Demo system: iOS 13.5.1
Click on the desktop to open Settings.
In Settings, scroll down and look for the "Battery" TAB.
Click "Battery" to enter.
Click "Battery Health".
Note the maximum capacity of the battery.
Finally, subtract 100% from the recorded maximum capacity, which is the percentage of battery loss.
1, click to go to "Settings" - "battery" - "battery health" 2, with 100% minus the maximum capacity of the battery is the battery loss percentage