1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-120f38f6-0a78-4d80-bf49-b68f6daa457d.png?width=210&height=456)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-df30bf77-80b2-41e8-94ef-50cc05d4ed8b.png?width=210&height=456)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e0436e81-8637-4a6c-b641-647827f4cf26.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-af95e042-4cfa-4fc1-bc65-673f3ca7bdef.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-af95e042-4cfa-4fc1-bc65-673f3ca7bdef.png?width=210&height=456)