iPhone 16 pro will charge to 100% and sometimes only 80%

sometimes my 16 pro will charge to 100% and sometimes only to 80 % help ?


[Re-Titled by Moderator]

iPhone 14 Pro, iOS 18

Posted on Jan 8, 2025 1:02 PM

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Question marked as Top-ranking reply

Posted on Jan 8, 2025 1:07 PM

Do you have optimized charging turned on? Apple turned it on by default in iOS 18. This is normal and expected behavior. Apple notes this in several support articles.


>>If you have Charge Limit set to less than 100 percent, your iPhone will occasionally charge to 100 percent to maintain accurate battery state-of-charge estimates.<<


About Charge Limit and Optimized Battery Charging on iPhone - Apple Support


The iPhone has to do this so it can calibrate to 100% battery capacity. It’s normal. 



1 reply
Question marked as Top-ranking reply

Jan 8, 2025 1:07 PM in response to Corvettebf

Do you have optimized charging turned on? Apple turned it on by default in iOS 18. This is normal and expected behavior. Apple notes this in several support articles.


>>If you have Charge Limit set to less than 100 percent, your iPhone will occasionally charge to 100 percent to maintain accurate battery state-of-charge estimates.<<


About Charge Limit and Optimized Battery Charging on iPhone - Apple Support


The iPhone has to do this so it can calibrate to 100% battery capacity. It’s normal. 



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iPhone 16 pro will charge to 100% and sometimes only 80%

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