1. Find "Battery Health"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dae9ba2b-bb5d-425a-a1a8-818930ae99f3.png?width=212&height=458)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3c7b0f81-45d4-4b02-a08c-1ea4f835e4aa.png?width=212&height=458)
Press Battery Health.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-00fef79d-bc4f-43b8-971b-68e15c4df711.png?width=212&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-d3f4ee64-6b72-45c0-a846-efc5cdb993a4.png?width=212&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-d3f4ee64-6b72-45c0-a846-efc5cdb993a4.png?width=212&height=458)