1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-41ffa20b-57de-4a47-969c-f76446ade6e0.png?width=208&height=368)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aac1e068-2b63-448c-834c-5e94fca8982a.png?width=208&height=368)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ddd58f70-e6f3-49c6-9656-5d5b2faed839.png?width=208&height=368)
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-d5515830-59c1-4916-8897-b162e98d3d23.png?width=208&height=368)
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-d5515830-59c1-4916-8897-b162e98d3d23.png?width=208&height=368)