1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3687118e-b47a-4195-a275-14726218082c.png?width=210&height=456)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7f50933a-0874-428a-a240-ec19f43b4234.png?width=210&height=456)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f3f49669-43cf-4c2c-8b07-59dbdf396cf1.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/7151223-f-b0fc94f7-91b8-450b-85d9-10a62963b68a.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/7151223-f-b0fc94f7-91b8-450b-85d9-10a62963b68a.png?width=210&height=456)