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Level 1

4 points

I don't understand why my battery health dropping so fast

Why is my battery health dropping so fast

iPhone 11 Pro Max, iOS 14

Posted on Jul 11, 2022 12:40 AM

Top-ranking reply

Level 9

66,904 points

Posted on Jul 11, 2022 3:09 AM

Batteries degrade over time with usage, that's just how they work.

You can expect about a 1% drop per month with average use on an iPhone.

Apple recommends replacing it when it reaches 80%. To check your battery health, go to Settings > Battery > Battery Health.

Why lithium batteries degrade over time.

Here are some tips on maximizing battery life.

Batteries - Maximizing Performance - Apple Batteries - Maximizing Performance - Apple

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