1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-94c46443-f54a-4369-8ffe-1196017e77be.png?width=210&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4f0e8e9f-05fd-44e2-ba74-0208689a1af1.png?width=210&height=458)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9fcdee0b-4a97-4886-964f-1ac8deec183b.png?width=210&height=458)
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/7151223-f-6640cc89-718f-4c3d-aea5-9705274d5915.png?width=210&height=458)
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/7151223-f-6640cc89-718f-4c3d-aea5-9705274d5915.png?width=210&height=458)