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Maximum Capacity

I recently bought an IPhone 8 on September 1, 2018 and just today, November 10 2018, I checked my battery health and I saw that my battery maximum capacity is down to 98% - is that normal or should I be more concerned?

iPhone 5s, iOS 11.4.1

Posted on Nov 10, 2018 6:05 AM

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Posted on Nov 10, 2018 6:30 AM

That is normal. Here is a link that offers information about battery life



iPhone Battery and Performance - Apple Support

2 replies

Nov 10, 2018 6:40 AM in response to BurningPillow

For a mass produced device, not individually calibrated this is comfortably within tolerance. Battery capacity is notoriously difficult to measure so I would not expect better than about +/- 5% even under ideal conditions with laboratory grade testing. For a comparison my iPhone 6s Plus has been sitting unchanged at 92% for the last 18 months without any problems, and I suspect it has been like that from soon after I got the phone.

Maximum Capacity

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