1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-768466fe-c6a5-437d-b78f-e6a8bc65ebce.png?width=208&height=450)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-422738dd-6fb9-4233-8270-474efcf970b0.png?width=208&height=450)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ff2f202a-5e9d-425c-8834-487dc672de8c.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/7151223-f-0482c9a8-0b1c-46e6-ae92-1270b3440196.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/7151223-f-0482c9a8-0b1c-46e6-ae92-1270b3440196.png?width=208&height=450)