1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-89c81eab-2c19-4853-b9e2-4353ee0849be.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a7e5ea52-f4b8-4a1d-b9e4-f438dbae44c0.png?width=210&height=454)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b62df57f-e271-45f0-9ccb-50a9b6d1efec.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-6f3bc86b-54e7-40e5-8de5-a3ee89e4155c.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-6f3bc86b-54e7-40e5-8de5-a3ee89e4155c.png?width=210&height=454)