1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-72cd2bd1-dcd8-4313-be9f-fea2d1d716ef.png?width=208&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bba97405-b078-49f4-8ac5-c3165566df1c.png?width=208&height=454)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-613eee1e-323b-4455-bd4a-35252607d8e8.png?width=208&height=454)
2. Use optimised battery charging
Press the indicator next to "Optimised Battery Charging" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-480e5e97-4650-4ffb-b8ba-2f0e0ae3c3b9.png?width=208&height=454)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-480e5e97-4650-4ffb-b8ba-2f0e0ae3c3b9.png?width=208&height=454)