Apple iPhone 15 Pro Max
Turn optimised battery charging on or off
Using optimised battery charging, your phone reduces the time it spends fully charged which prolongs the overall battery life.
Press Settings.
Press Battery.
Press Battery Health & Charging.
Press Charging Optimisation.
Press Optimised Battery Charging to turn the function on or off.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
1. 1. Find "Charging Optimisation"
2. 2. Use optimised battery charging
3. 3. Return to the home screen