1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-67acfb0e-fc31-4a91-b661-a23f8183be42.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0dc755e4-17e4-4500-9de3-fcaff4784c87.png?width=210&height=454)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a25756ec-7b2a-4e8c-a250-7e3d2edfcdf7.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/7151223-f-8402bebc-94d0-4352-9660-988ad03049eb.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/7151223-f-8402bebc-94d0-4352-9660-988ad03049eb.png?width=210&height=454)