1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c6b33aca-8dc5-438d-ae62-c38faafe03c9.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d0756458-52f1-4699-b0a9-4a037ff7af45.png?width=210&height=454)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fc104379-0dd6-4009-8a1a-bf3bd6bc72ff.png?width=210&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-160d6b36-f2a5-40c5-afac-f05ee13bc7e0.png?width=210&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-160d6b36-f2a5-40c5-afac-f05ee13bc7e0.png?width=210&height=454)