1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-07c62da7-3e81-43d8-9b5b-7f91e06e4dd4.png?width=208&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-422738dd-6fb9-4233-8270-474efcf970b0.png?width=208&height=454)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-361e6989-4b09-402e-9f9d-09376ebed49f.png?width=208&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-ceac71b5-55a0-4ef6-8f88-b9ba2ff13428.png?width=208&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-ceac71b5-55a0-4ef6-8f88-b9ba2ff13428.png?width=208&height=454)