1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c7a9fbc1-a5c7-417e-8b68-9f02f77cbdf5.png?width=192&height=340)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-309967fd-010a-4b94-bb7f-ae5c158b7598.png?width=192&height=340)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-841bcf13-9c02-4017-9704-37a77a14a3ff.png?width=192&height=340)
2. Turn optimised battery charging on or off
Press the indicator next to "Optimised Battery Charging" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-624999c0-935a-4932-875a-9f178c75003f.png?width=192&height=340)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-624999c0-935a-4932-875a-9f178c75003f.png?width=192&height=340)