1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7cad6ffb-3861-43c8-a4c3-fea0bfeaf19a.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0dc755e4-17e4-4500-9de3-fcaff4784c87.png?width=210&height=454)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b8518c0c-7f73-494f-88fd-4da4c71cec17.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/7151223-f-e10e53e7-3e23-4316-b36f-cf89eeea83d0.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/7151223-f-e10e53e7-3e23-4316-b36f-cf89eeea83d0.png?width=210&height=454)