1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7b091d0b-cbdc-4399-b722-e4fefbb37dce.png?width=210&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-51645ef7-ca38-4ea0-a67a-c5636052aa0c.png?width=210&height=458)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a5238a4a-2e1d-4e7b-846d-221fa3834d3e.png?width=210&height=458)
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-24b0518a-67bc-48d7-9c1c-496e4a29cc7a.png?width=210&height=458)
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-24b0518a-67bc-48d7-9c1c-496e4a29cc7a.png?width=210&height=458)