Which option is the best for keeping iPhone 13 Pro battery health at 100%

is it better to charge iphone 13 pro every night with optimised night charging on or is it better to charge my phone at random times but limit charge between 20%-80%? which option would be the best to keep or maximise the battery health at 100%?

iPhone 13 Pro, iOS 18

Posted on Jan 24, 2025 6:34 AM

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Posted on Jan 24, 2025 6:40 AM

You’re not going to keep it at 100%.

Batteries naturally lose their ability to hold a charge with age and use. There is no way to stop that..


Set the charging to whatever works best for you and don’t stress over it. When the battery health hits 80%, get the battery replaced.

4 replies

Jan 24, 2025 6:51 AM in response to Devin_Nash

Batteries, like people are individuals. No two people age exactly the same and batteries don’t age the same either. The exact usage, chemical makeup, storage conditions, exposure to heat and cold and about a dozen other factors mean that every battery ages differently. Battery aging is not a linear (straight line) and degrades at different rates as the chemicals in the battery age and other factors mentioned above. The graph below shows the 4 batteries that were recharged differently and look how differently the batteries capacity changed with age. There is nothing linear in the aging process.



Apple expects your battery health to be at 80% after 24 months. If your battery health misses that expectation, contact Apple Support.


Please review the Apple Support articles on battery optimization. It contains the best  current practices for battery charging.


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


iPhone Battery and Performance - Apple Support


Batteries - Maximizing Performance - Apple


About the battery and performance of iPhone 11 and later - Apple Support


Jan 24, 2025 6:58 AM in response to Devin_Nash

Enable Optimized Battery Charging in the battery settings.....and connect the power supply to the phone at night and leave it connected all night.....every night.


I'll get more than 4 years of use from my current battery by doing this, when the battery was designed to go about 2 years before needing a replacement.


My opinion.....If your phone has options to set a battery limit, I would ignore that since limits require that you charge the battery more often......so more wear and tear that way.

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Which option is the best for keeping iPhone 13 Pro battery health at 100%

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