1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-388c0a61-04fc-4888-9276-1d0aeaccd8aa.png?width=210&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ec05b6bd-5500-44c4-9340-982c24f2c391.png?width=210&height=458)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0b5e299c-db4a-4e05-af8c-de6f15d6fefa.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-8d55d966-e0a0-4fb4-9171-b3ec61c787c9.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-8d55d966-e0a0-4fb4-9171-b3ec61c787c9.png?width=210&height=458)