1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5a08f69c-58dd-4a71-83e2-3f47b19b6b2a.png?width=210&height=456)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d66bb829-76ad-4c02-82b2-e888a3b04e7d.png?width=210&height=456)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c26381bb-6129-4d77-b3aa-77d1cb1481e5.png?width=210&height=456)
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-4cc04132-1464-44a0-831f-b1bc6fb97170.png?width=210&height=456)
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-4cc04132-1464-44a0-831f-b1bc6fb97170.png?width=210&height=456)