1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c34420d2-9a30-4cd6-a04d-7a05eb6cc1b7.png?width=202&height=362)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fb95643f-a856-4d03-8e98-e9d2416324fe.png?width=202&height=362)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7691a68d-175e-4eaa-9318-a2298d910898.png?width=202&height=362)
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-aab18f2b-e760-447f-9426-574b25480b3a.png?width=202&height=362)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aab18f2b-e760-447f-9426-574b25480b3a.png?width=202&height=362)