1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f421df15-4a90-4269-a3a2-543988710b6d.png?width=206&height=448)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ee8623d9-8d1e-41bd-8312-2ea66085c44b.png?width=206&height=448)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c2676930-020d-4944-8273-4cca00d51c1b.png?width=206&height=448)
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/7140723-f-6915d448-5604-4758-8133-2face320cb78.png?width=206&height=448)
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/7140723-f-6915d448-5604-4758-8133-2face320cb78.png?width=206&height=448)