Phone battery health drop very fast

Observed my iPhone 13 pro max battery health drops fast after sending it to Apple service center to repair LCD screen . Within one month the battery drop from 99% to 94%

please advice

usage is normal from day 1

iPhone 13 Pro Max, iOS 15

Posted on Aug 24, 2022 04:58 PM

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Posted on Aug 25, 2022 09:39 AM

I got this iPhone 13 pro max on 8 October 2021.

and I have used it daily and charged it when the battery is at 20%.

The battery health was maintained at 99% until 4 July 2022 when my screen did not display image

the phone was sent to Apple service center in Singapore (REF: WP-2610170) for LCD screen replacement. Since then my battery health drop tremendously and within one month, as of today 26 AUG 2022, the battery health is now 94%


it really bothering me and makes me worry

please advise.

2 replies
Question marked as Top-ranking reply

Aug 25, 2022 09:39 AM in response to lobsterghost1

I got this iPhone 13 pro max on 8 October 2021.

and I have used it daily and charged it when the battery is at 20%.

The battery health was maintained at 99% until 4 July 2022 when my screen did not display image

the phone was sent to Apple service center in Singapore (REF: WP-2610170) for LCD screen replacement. Since then my battery health drop tremendously and within one month, as of today 26 AUG 2022, the battery health is now 94%


it really bothering me and makes me worry

please advise.

Aug 24, 2022 05:34 PM in response to Wasim_

Battery health often can drop a few points at the same time. How many months have you owned your iPhone? Generally, a drop of 1%/month of use is normal. Your battery health will continue to decline with every full cycle charge. This is what batteries do. All batteries. When battery health has declined to 80%, it will then be time to have the battery replaced in your phone.

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Phone battery health drop very fast

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