1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7181024-f-8e0282e2-4212-498e-ba76-586d59bdd398.png?width=210&height=456)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7181024-f-8d9d31e1-99c6-4c0d-bdf4-f0f38a737d96.png?width=210&height=456)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7181024-f-ee5785b5-2740-41de-8cc1-55ffc830a7a0.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/7181024-f-c329eed4-89db-4856-b429-8fa3bab53d08.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/7181024-f-c329eed4-89db-4856-b429-8fa3bab53d08.png?width=210&height=456)