1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-911dd421-ecd3-45da-8e75-21031e9b5c90.png?width=210&height=456)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-85d16b97-5286-4ac8-a051-16abbd8fa309.png?width=210&height=456)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-87d65aa8-9d37-46be-9c0a-befabf437fa7.png?width=210&height=456)
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-72521ec4-f213-464a-a8b6-799e59761de2.png?width=210&height=456)
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-72521ec4-f213-464a-a8b6-799e59761de2.png?width=210&height=456)