1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0deb72e5-1a49-47c5-beaf-4bc15210fbcb.png?width=204&height=366)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c45de38f-e09b-4792-ae20-c373fb121b3f.png?width=204&height=366)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3efc5c1d-50df-476f-87b4-bb40a3ceaf73.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-ecde9d04-0cc7-456d-b4d0-236f3dec850d.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-ecde9d04-0cc7-456d-b4d0-236f3dec850d.png?width=204&height=366)