1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6037dd6a-bfbe-4294-b405-6d45c5820d4e.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-366be420-6684-4ae4-9733-7194c9194eb9.png?width=210&height=454)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6ff86360-bbd5-48b5-9bb7-2edc4a7d9977.png?width=210&height=454)
2. Use optimised battery charging
Press the indicator next to "Optimised Battery Charging" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e9801130-a4c8-4fce-a59e-f4f81c5065b1.png?width=210&height=454)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e9801130-a4c8-4fce-a59e-f4f81c5065b1.png?width=210&height=454)