1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-da1b6ef5-5053-4fbc-9696-303c5ef40982.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b2ed7939-3054-4c85-a2f6-78de3c7ff51a.png?width=210&height=454)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8d2a4c8e-060a-4d80-87c8-7cc266509f83.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-cb5f69b8-ecb0-4439-b88e-ce46d1362c2a.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-cb5f69b8-ecb0-4439-b88e-ce46d1362c2a.png?width=210&height=454)