1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-86c7b86b-d263-4415-9b4f-5aaf4dca98e7.png?width=204&height=366)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ad3112f6-e515-482d-968a-94c22dc543d7.png?width=204&height=366)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ca4c4424-6f89-4a87-8cb7-2b1b99c9e8f5.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/7151223-f-e9b37861-12cf-452f-8c19-ce1b389e15e8.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/7151223-f-e9b37861-12cf-452f-8c19-ce1b389e15e8.png?width=204&height=366)