1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-42341d51-cd0e-4398-b29e-39ef3b479dd1.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b33a291a-a98a-4ff9-817c-94557e56ffab.png?width=210&height=454)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5d064244-4049-4bf4-9322-764b86117f01.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-5e1c563c-7c95-4b93-9eb5-fe07b98fdab6.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-5e1c563c-7c95-4b93-9eb5-fe07b98fdab6.png?width=210&height=454)