1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2c5f94f1-0ca7-4fe0-a7d8-82b6dc20c44b.png?width=206&height=444)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-acea9281-2f77-4a12-98c8-31c7047a40e1.png?width=206&height=444)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dc53319a-6169-4765-b243-20fbe23a1558.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-2808ddfe-9c62-4478-8bff-734308a17d5a.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-2808ddfe-9c62-4478-8bff-734308a17d5a.png?width=206&height=444)