![Apple iPhone 15 Pro](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-973fda59-ebed-4640-97b0-0ad8cbbf88ba.png?width=150&height=320)
Apple iPhone 15 Pro
iOS 17
1. Find "Battery Health & Charging"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-22e74535-90f5-475a-b0c1-eee379f0c2c7.png?width=214&height=462)
Press Battery.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-902b246a-fbd1-4add-b58b-df45b5647a3f.png?width=214&height=462)
Press Battery Health & Charging.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-416e76c4-4f4e-413e-b1e9-32debd02d201.png?width=214&height=462)
Press Charging Optimisation.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3187cce2-f514-4898-b3b0-cac886926e8e.png?width=214&height=462)
2. Use optimised battery charging
Press Optimised Battery Charging to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-abb398f0-8b38-4fdc-b073-1f1c404b578e.png?width=214&height=462)
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-3187cce2-f514-4898-b3b0-cac886926e8e.png?width=214&height=462)