1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f07639b8-ad53-4816-be64-06f1f6ae41d1.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5403e670-e8f1-4b9e-93cc-9c3918f8908e.png?width=210&height=454)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-26cc0fa2-bfea-46da-bc67-60e399bc91ea.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-77dfe06f-7fe6-4f8d-b294-7cf78e3e0d30.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-77dfe06f-7fe6-4f8d-b294-7cf78e3e0d30.png?width=210&height=454)