My iPhone 16 Pro Max is charging over the set limit
I set charging limit at 90% but it is the third time this month that it is charged to 91% why is this happening
[Re-Titled by Moderator]
iPhone 16 Pro Max, iOS 18
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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
I set charging limit at 90% but it is the third time this month that it is charged to 91% why is this happening
[Re-Titled by Moderator]
iPhone 16 Pro Max, 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.
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.
gentrit16 Said:
"my iphone is charging over limit: I set charging limit at 90% but it is the third time this month that it is charged to 91% why is this happening"
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Apple Battery Charge Limit:
All is fine. The percentage is no more than a guestimation on the hardware's part. I've seen mine go above the 80% optimize limit.
My iPhone 16 Pro Max is charging over the set limit