1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-eaa8e3e9-0634-4f90-9c21-ba52cc574989.png?width=210&height=456)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a0c42c91-f2ff-41ca-beb5-e2981d6bd534.png?width=210&height=456)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-08a38c02-a2c7-4c2e-9171-839ad179f55a.png?width=210&height=456)
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-3d37cb68-1a4a-4d02-b608-7e457b754fd8.png?width=210&height=456)
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-3d37cb68-1a4a-4d02-b608-7e457b754fd8.png?width=210&height=456)