1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-eb555ab4-f8d1-4bdd-b616-012ba4481188.png?width=206&height=444)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a5b0a1d3-60d4-4fc0-905b-5acab758c7fe.png?width=206&height=444)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8ab17d72-e987-4938-be31-c068ce51ae07.png?width=206&height=444)
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-3986fc44-e4b4-45a4-ad4c-d0ffab502307.png?width=206&height=444)
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-3986fc44-e4b4-45a4-ad4c-d0ffab502307.png?width=206&height=444)