1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d914e9e4-5aff-4689-9a15-1bc4b7bc1582.png?width=210&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-068dc921-418c-42cc-b191-7f6292498dc1.png?width=210&height=458)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e674dd1a-ee01-43f7-9b13-17afc535cc3d.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-7d8edeb6-bbb0-4ebe-80ef-bdbc727c4d23.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-7d8edeb6-bbb0-4ebe-80ef-bdbc727c4d23.png?width=210&height=458)