1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3a0fe015-fcfb-4774-bfe0-46398ee72e73.png?width=204&height=366)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-be36e3fd-d644-404d-8f94-1ed7b919effa.png?width=204&height=366)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-5e7abfb2-9e40-4e06-947b-c4c996a7ad14.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-8cb12561-e933-4e25-b90f-7a42b112ca7b.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-8cb12561-e933-4e25-b90f-7a42b112ca7b.png?width=204&height=366)