1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1132c7f7-938f-457c-aad3-c41534318faf.png?width=210&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d4fe8cd4-0278-463b-a950-4de27a7ff5c3.png?width=210&height=458)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-42b709c8-00e5-4096-bdc6-7b30b41c393b.png?width=210&height=458)
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-b01a6751-8742-4951-ac0f-dab74e61329c.png?width=210&height=458)
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-b01a6751-8742-4951-ac0f-dab74e61329c.png?width=210&height=458)