1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f22c851c-1d2d-459e-b9d3-7dad5616ae4d.png?width=212&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4f0e8e9f-05fd-44e2-ba74-0208689a1af1.png?width=212&height=458)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-919dc380-fa92-476b-ad0d-ec72cd533b5c.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/7140723-f-6640cc89-718f-4c3d-aea5-9705274d5915.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/7140723-f-6640cc89-718f-4c3d-aea5-9705274d5915.png?width=212&height=458)