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Battery health

Is it normal that the battery health of a 3 months old iphone 13 pro is reduced by 2%?

iPhone 13 Pro, iOS 15

Posted on May 12, 2022 7:02 PM

Reply
5 replies

May 12, 2022 9:53 PM in response to Applebattery

It would have to be under the 80% battery health threshold, and also under 500 complete charge-discharge cycles. Think of it like a vehicle tire warranty. A warranty claim can't be made until the tread reaches the wear bars. There may also be a time limitation. Anything in between doesn't trigger the warranty.


Also - 80% battery health as reported by iOS isn't the official number that Apple uses. When I got my battery replaced, the battery health sampled by Apple's diagnostic was the official one that was recorded in Apple's database. It was a few percentage points lower than what iOS displayed.


And a rough estimate for most people is that they run about 25 cycles per month, so a linear approximation is a drop of 1% every month being considered expected. Some do better, and some do worse, but the warranty won't replace the battery unless the health goes below 80% within the warranty period (with less than 500 cycles) or if there's some other battery failure such as swelling.


But it's rare for anyone to get a battery replaced under warranty. Normal wear doesn't count as a defect.

Battery health

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