Apple iPhone 12 Pro Max

Apple iPhone 12 Pro Max

iOS 18

iOS 18 iOS 17

Turn optimised battery charging on your Apple iPhone 12 Pro Max iOS 18 on or off

Read help info

Using optimised battery charging, your phone reduces the time it spends fully charged which prolongs the overall battery life.

Step 1 of 5

1. Find "Battery Health & Charging"

Press Settings.

Step 2 of 5

1. Find "Battery Health & Charging"

Press Battery.

Step 3 of 5

1. Find "Battery Health & Charging"

Press Battery Health & Charging.

Step 4 of 5

2. Use optimised battery charging

Press the indicator next to "Optimised Battery Charging" to turn the function on or off.

Step 5 of 5

3. Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

1. Find "Battery Health & Charging"

Press Settings.

Press Battery.

Press Battery Health & Charging.

2. Use optimised battery charging

Press the indicator next to "Optimised Battery Charging" to turn the function on or off.

3. Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.