1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7205093e-fe13-4b8b-bcd9-33361050edf0.png?width=204&height=366)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1b778314-5c4d-4a98-af61-dd6f971cfa89.png?width=204&height=366)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8d5c94d0-c0c2-416b-a3ab-b84fd0c7d19b.png?width=204&height=366)
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-f3a03124-3412-4803-a562-89c4aa92d9ce.png?width=204&height=366)
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-f3a03124-3412-4803-a562-89c4aa92d9ce.png?width=204&height=366)