1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-245d5377-15b7-4f00-b969-b8df78084d60.png?width=208&height=450)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a8970825-ca66-43f9-ab36-d0ad9214dc9e.png?width=208&height=450)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5815b5f2-3fc2-46ad-97e6-138e2b6920c8.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-d0d2d4a4-e016-4adf-b89c-52c55bdd2dab.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-d0d2d4a4-e016-4adf-b89c-52c55bdd2dab.png?width=208&height=450)