1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7eba172d-63ae-4c71-9f47-5f27cca0480d.png?width=208&height=450)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9056d403-fdf6-4f59-8443-4a054b104a55.png?width=208&height=450)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-adc6aa8c-9042-4ce7-8264-6cc90832feee.png?width=208&height=450)
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-e1ce39d9-7ee5-401d-ba4d-bafee6a008ba.png?width=208&height=450)
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-e1ce39d9-7ee5-401d-ba4d-bafee6a008ba.png?width=208&height=450)