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Williamtkx Author

Level 1

4 points

Battery life

My phone battery maximum capacity dropped form 100% to 97% not more than three months after I have bought this phone.

iPhone 11, 13

Posted on Apr 21, 2020 3:08 AM

Top-ranking reply

Alancito

Level 7

28,210 points

Posted on Apr 21, 2020 3:19 AM

Williamtkx ~ Apple says: "Maximum battery capacity measures the device battery capacity relative to when it was new." ...So not relative to when you bought it. Also, in measuring a chemically dynamic process such as in a battery, it's unlikely that the estimate can be accurate to within 3%. Read more in this Apple Support Article:

iPhone Battery and Performance

...found by searching Apple's Knowledge Base.

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Battery life

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