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Battery health drops 5% in a month

I’m using 11 pro max a2220 model

i bought this four months ago at 99% battery health and 2 months of warranty remaining

After updating iOS 15 my battery health is dropping too fast 5 to 6% dropped in a single month

3 days ago it was 90% now i saw today it’s on 89%.

Please somebody tell me the solution my really worry about this issue

Posted on Jan 8, 2022 7:37 AM

Reply
Question marked as Top-ranking reply

Posted on Jan 8, 2022 5:46 PM

Hi Malikbilalejaz

Welcome to the Apple Community.


Wondering if you might want to update to iOS 15.2


Re: "really worry about this issue"


It may be not worth the worrying ... What is the worst that can happen ?

Battery replacement ? ... maybe $0 .... or, if / when it becomes necessary up to $69 US

Details: https://support.apple.com/iphone/repair/service/battery-power


In the meantime:

_______________________________________


Re: Battery health


Apple support have articles online that may help.


About the battery and performance of iPhone 11 and later

https://support.apple.com/en-us/HT210557


iPhone Battery and Performance

https://support.apple.com/en-au/HT208387


Monitor the iPhone battery level:

https://support.apple.com/en-au/guide/iphone/iph4747a74a9/ios


Tips about maximizing battery life and lifespan:

https://www.apphttps://support.apple.com/en-us/HT210512

______________________________


Apple support also have articles about charging, that may be helpful..


About charging the battery

Eg: You can scroll to "Turn on Low Power Mode"

https://support.apple.com/en-au/guide/iphone/iph63eecc618/ios


More About Optimized Battery Charging on your iPhone

https://support.apple.com/en-us/HT210512

______________________________________


You can always talk to someone at Apple about the battery issue,

and especially if you have Apple Care / or / device under Warranty.

Apple do want people to be happy with their products,


There is a "Get Support" link to Apple at top right on this discussion page.

Or

You might visit an Apple Store: a Genius Bar reservation is recommended:


How to make a Genius Bar reservation at your favourite Apple Store, and get help from an Apple expert.

Genius Bar Reservation and Apple Support Options - Apple


Or


From iOS device you can use the app to easily make an online Genius Bar appointment: 

https://itunes.apple.com/us/app/apple-support/id1130498044?mt=8


Or

Apple phone numbers around the world

Contact Apple for support and service:

https://support.apple.com/en-us/HT201232


All the best :=)

5 replies
Question marked as Top-ranking reply

Jan 8, 2022 5:46 PM in response to Malikbilalejaz

Hi Malikbilalejaz

Welcome to the Apple Community.


Wondering if you might want to update to iOS 15.2


Re: "really worry about this issue"


It may be not worth the worrying ... What is the worst that can happen ?

Battery replacement ? ... maybe $0 .... or, if / when it becomes necessary up to $69 US

Details: https://support.apple.com/iphone/repair/service/battery-power


In the meantime:

_______________________________________


Re: Battery health


Apple support have articles online that may help.


About the battery and performance of iPhone 11 and later

https://support.apple.com/en-us/HT210557


iPhone Battery and Performance

https://support.apple.com/en-au/HT208387


Monitor the iPhone battery level:

https://support.apple.com/en-au/guide/iphone/iph4747a74a9/ios


Tips about maximizing battery life and lifespan:

https://www.apphttps://support.apple.com/en-us/HT210512

______________________________


Apple support also have articles about charging, that may be helpful..


About charging the battery

Eg: You can scroll to "Turn on Low Power Mode"

https://support.apple.com/en-au/guide/iphone/iph63eecc618/ios


More About Optimized Battery Charging on your iPhone

https://support.apple.com/en-us/HT210512

______________________________________


You can always talk to someone at Apple about the battery issue,

and especially if you have Apple Care / or / device under Warranty.

Apple do want people to be happy with their products,


There is a "Get Support" link to Apple at top right on this discussion page.

Or

You might visit an Apple Store: a Genius Bar reservation is recommended:


How to make a Genius Bar reservation at your favourite Apple Store, and get help from an Apple expert.

Genius Bar Reservation and Apple Support Options - Apple


Or


From iOS device you can use the app to easily make an online Genius Bar appointment: 

https://itunes.apple.com/us/app/apple-support/id1130498044?mt=8


Or

Apple phone numbers around the world

Contact Apple for support and service:

https://support.apple.com/en-us/HT201232


All the best :=)

Jan 10, 2022 9:49 AM in response to brbo

First of All thank you for answering my question

There’s some noticeable thing that’s why I’m getting a bit worry

There’s no Official Apple care centre here in pakistan and I don’t trust after market repairing shops

i try most probably to keep my phone charge maximum 80%

and after updating to iOS 15 updates my battery health didn’t stop at any point.My last phone was xs and i sold that phone on 85% battery health after using for 2 years

and this phone hardly used 1 year with less usage than xs

if there’s any software battery calibration possible in next update that’s will be more good


Jan 10, 2022 7:44 PM in response to Malikbilalejaz

If you bought it used, then you might not have all the history. The battery health number is an estimate, and one that doesn’t recalibrate on a daily basis. I’ve seen my battery health displayed at 100% to 99% for about one year, then drop to 95% quickly. But it was still doing OK with over 200 cycles. But it could have been holding off on the update for some time before you had it.


How many cycles does it have. Apple can access through its diagnostics. There are also some tools that can check it, including coconutBattery for Mac.

Battery health drops 5% in a month

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