1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9f5985fa-d159-49db-9fe4-9e8de46db495.png?width=208&height=368)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7df7bb84-c805-4685-992f-98c523653191.png?width=208&height=368)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6eecc4e6-e001-455c-9c26-8dd37c960377.png?width=208&height=368)
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-ac195c56-d291-4f37-99f0-b1a63b68ce72.png?width=208&height=368)
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-ac195c56-d291-4f37-99f0-b1a63b68ce72.png?width=208&height=368)