1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-5df4caa7-6635-43c0-a188-fc64ab6b3c2a.png?width=212&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-86e84fcc-cc46-4fbe-a5a2-81dd769dcd23.png?width=212&height=458)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4b2dcef4-08b5-4905-a856-5a88b7abbbd1.png?width=212&height=458)
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/7151223-f-3d715f9f-92ee-4cfe-a88f-04a8f591d8a8.png?width=212&height=458)
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/7151223-f-3d715f9f-92ee-4cfe-a88f-04a8f591d8a8.png?width=212&height=458)