My battery has decreased by 11 percent in 9 months of use

My battery has decreased by 11 percent in 9 months of use.I want to find out from the experts whether this is the norm or not

iPhone 7, iOS 14

Posted on Feb 17, 2024 3:17 PM

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Question marked as Top-ranking reply

Posted on Feb 17, 2024 7:02 PM

Batteries degrade over time with usage due to chemical aging, that's just how they work.

You can expect about a 1% drop per month with average use on an iPhone. This is an approximation, that is why it may be plus or minus a few percent on a month to month basis.

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


iPhone Battery Replacement.

iPhone Battery Repair & Replacement - Apple Support


About Lithium Ion Batteries

iPhone battery and performance - Apple Support (IN)



2 replies
Question marked as Top-ranking reply

Feb 17, 2024 7:02 PM in response to EvaSokolkina

Batteries degrade over time with usage due to chemical aging, that's just how they work.

You can expect about a 1% drop per month with average use on an iPhone. This is an approximation, that is why it may be plus or minus a few percent on a month to month basis.

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


iPhone Battery Replacement.

iPhone Battery Repair & Replacement - Apple Support


About Lithium Ion Batteries

iPhone battery and performance - Apple Support (IN)



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My battery has decreased by 11 percent in 9 months of use

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