1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-441da185-c82c-4086-b613-9bb60500f9c5.png?width=206&height=448)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a39d4d33-c8a5-4f76-8ad9-53a0c8ba5c32.png?width=206&height=448)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ee4eae2f-515f-421a-a552-250b83cdd8ce.png?width=206&height=448)
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-8b660df6-f634-4ec5-8e6e-499df84c7366.png?width=206&height=448)
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-8b660df6-f634-4ec5-8e6e-499df84c7366.png?width=206&height=448)