1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3a876653-c4b6-49f3-84d6-ff8f9a85eded.png?width=206&height=444)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c3f5c499-0e3d-4c1b-be3a-71d39a0e4dc5.png?width=206&height=444)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e45875d7-f12a-4bb3-a7bb-ab15386b70fb.png?width=206&height=444)
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-56adc89d-cd3e-4f85-a09d-bfb516810349.png?width=206&height=444)
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-56adc89d-cd3e-4f85-a09d-bfb516810349.png?width=206&height=444)