1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2ff25a93-a310-4d1a-9ef4-0dc13817d784.png?width=212&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-323a3ce5-a01f-43cc-99ac-426eb06992de.png?width=212&height=458)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f02c255f-4ae8-4dac-8a31-198fae12fb5c.png?width=212&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/7151223-f-cc16ba41-1528-4261-b2f3-f5460de24190.png?width=212&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/7151223-f-cc16ba41-1528-4261-b2f3-f5460de24190.png?width=212&height=458)