1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b4fbc85f-d217-43e2-bedd-f25877a7bf0e.png?width=212&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2596306a-518f-4ae8-9010-3a2ee4849c79.png?width=212&height=458)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-6928ac4f-c732-4364-bbff-3c20b031dbbb.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-20de4754-b698-4f3a-ad5e-5bd007a572b1.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-20de4754-b698-4f3a-ad5e-5bd007a572b1.png?width=212&height=458)