1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d8ef3780-474d-4fc5-8421-698692f7ec06.png?width=208&height=450)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b782582b-36ea-4d25-b3f0-a3928b9038aa.png?width=208&height=450)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a84a1835-3d3c-4c29-a3bd-efbe1682a0a6.png?width=208&height=450)
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-9b9641f9-9ee6-4cef-a2ea-5aec9f73434e.png?width=208&height=450)
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-9b9641f9-9ee6-4cef-a2ea-5aec9f73434e.png?width=208&height=450)