When is the best time to replace iPhone with 88% battery health after 381 charge cycles?

Hello! I have an iPhone with battery health at 88% and 381 charge cycles. Could you please tell me when is the best time to replace the battery? Also, will the performance be affected soon? Thank you!



[Re-Titled by Moderator]

Original Title: Battery

iPhone 15 Pro Max, iOS 26

Posted on Jul 26, 2025 2:49 PM

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Question marked as Top-ranking reply

Posted on Jul 26, 2025 2:52 PM

Replace the battery when it drops below 80%.


Normally, you will not notice a decline in performance until the battery is approaching the 80% level.

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When is the best time to replace iPhone with 88% battery health after 381 charge cycles?

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