![Apple iPhone Xs](http://wmstatic.global.ssl.fastly.net/ml/7181124-f-614644e2-c66b-4270-a79d-c76eb33a55fa.png?width=150&height=320)
Apple iPhone Xs
iOS 18
1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7181124-f-5f47522d-f30e-45fe-aadb-37755d48f292.png?width=208&height=454)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7181124-f-03957f9f-553d-43ef-9d4c-afc3129ad38c.png?width=208&height=454)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7181124-f-b4395bdd-b068-4723-b7be-36ceaf76e40c.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/7181124-f-fe549fe1-1040-47ee-b266-e8646d12674d.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/7181124-f-fe549fe1-1040-47ee-b266-e8646d12674d.png?width=208&height=454)