1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fdcbcb55-c18a-47dc-84b0-ee06bdf3a8dd.png?width=212&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5184ea3a-6d4d-41e3-8e24-7af759ed60d8.png?width=212&height=458)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-74f18694-d6fd-4dd6-8a52-d12e8621fdf8.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-aebbcc2a-1a15-40ea-a8f2-b3ee655d336e.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-aebbcc2a-1a15-40ea-a8f2-b3ee655d336e.png?width=212&height=458)