1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-fd20a15d-ce81-48df-a48b-5df01817ec84.png?width=210&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2ae3c4fd-c2dd-443e-b77a-6779da4fa84c.png?width=210&height=454)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1edc048f-3309-42c7-89d9-f1ce350304df.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/7151223-f-b3caebfd-37b0-4598-85de-6f5cf90900ac.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/7151223-f-b3caebfd-37b0-4598-85de-6f5cf90900ac.png?width=210&height=454)