Via iPhone 15 Models Feature New Setting to Strictly Prevent Charging Beyond 80%All iPhone 15 and iPhone 15 Pro models feature a new battery health setting that when enabled prevents the devices from charging beyond 80% at all times.
The new setting is separate from the pre-existing Optimized Battery Charging feature on iPhones, which intelligently delays charging past 80% until a more appropriate time by learning the device's daily charging routine. When the 80% hard limit is enabled, the iPhone will never charge past that point whatsoever.
About 80% Limit with iPhone 15 models
With iPhone 15 models, you can choose between Optimized Battery Charging, 80% Limit, and None.
When you choose 80% Limit, your iPhone will charge up to about 80 percent and then stop charging. If the battery charge level gets down to 75 percent, charging will resume until your battery charge level reaches about 80 percent again.
With 80% Limit enabled, your iPhone will occasionally charge to 100 percent to maintain accurate battery state-of-charge estimates.
Learn more: About Optimized Battery Charging on your iPhoneIf you want to change your charging option:
- With iPhone 15 models, to choose between Optimized Battery Charging, 80% Limit, and None, go to Settings > Battery > Battery Health & Charging > Charging Optimization and choose an option.