1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c9ea6c87-34ce-47bf-9749-225029b476e2.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d0756458-52f1-4699-b0a9-4a037ff7af45.png?width=210&height=454)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8e7ee73f-5366-40c0-91e5-e49bf795e753.png?width=210&height=454)
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-bcae6aeb-8bfa-4235-92e7-8144a10e3f10.png?width=210&height=454)
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-bcae6aeb-8bfa-4235-92e7-8144a10e3f10.png?width=210&height=454)