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iPhone Battery Health at 83% - When do I replace it?

My phone battery is 83% do I need to replace


[Re-Titled by Moderator]

iPhone 11 Pro Max, iOS 16

Posted on May 5, 2023 11:20 AM

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Question marked as Top-ranking reply

Posted on Jan 11, 2024 12:07 PM

I bought an iPhone 14 Pro Max on August 16 2023 so I have been using this phone for 5 months. In this period, my battery capacity dropped 1% after 4.5 months and another 1% dropped within 1 week my capacity is 98 after almost 5 months. So is that normal or something? And yes in this 1 week I used another random cable which is not from the original iPhone cable. And it heats up a lot to my charger. Was it relative to using the random cable?


When my battery is lower than 80% if I replace the battery with good quality, will it be 100% again?


98% is normal aging within 4.5 months?

48 replies

Jul 3, 2024 7:58 AM in response to Wadalsamani

You can replace your iPhone battery once it reached 80%, but if it’s worth to replace battery or not? It depends, as the software updates, its load on device increases, so battery and all device’s components have to work hard to meet that load which reduces maximum capacity of battery quickly. For example, I have an iPhone 11 which was released with iOS 13 and device was Able to keep up with software load, but now it’s iOS 17 and iOS 18 is coming soon, so they are more heavier for system. Even though device is compatible for iOS 17 or 18 but still device’s components work hard and battery automatically works hard to meet those demands so it’s affects it’s battery life. This was explained to me by an apple support advisor.

Aug 4, 2024 6:51 AM in response to MAKRAHIM

If you find it isn't lasting you long enough especially, you should replace the battery now. Apple classifies 80% health or over to be healthy, so it would be advisable to replace at 80% if not now.


But I would also strongly recommend getting the battery replaced by apple as third-party options could be risky or just not last as long.

Aug 5, 2024 6:07 PM in response to Shanny620

If you have a 12 $400 to go up 1 generation which is still a couple years old seems like a waste. Just note the bullet and trade in your 12 in September or October when the new iPhone comes out and you’ll be set for several years after that. $400 for an old iPhone and another $100 soon after for a battery when you can pay $1000 and get a brand new phone issue free that’ll last you several years

Sep 12, 2024 5:17 PM in response to Wadalsamani

Iphone 14 Pro user here, bought mine back in 2022 and had wait a while to get it because of low stock back then so I got it in November.


My phone is currently at 91% (was at 92% yesterday) with casual to heavy usage (using it as hotspot and charging a few times a week).


It was brought to my attention that the heat is what would make the capacity and battery degrade over time but for me it seems like some update might have made it worse and made my battery degrade at a faster rate maybe but not sure since it was fine for the first year and it was above 95% with some heavy usage.

Sep 17, 2024 1:56 PM in response to gle

I was trying to get an idea on the battery like mine is at 83% still after two years and I’m concerned about if I’m gonna have to replace it from what I just read. I believe that they would do something like that. Keep your phone percent at 83% so you would have to buy a new one I hope that is the case with me but he said he had it more years so thanks. I still got an idea.

Oct 23, 2024 5:05 PM in response to Michial820

Michial820 wrote:

You can’t replace iPhone batteries, only Apple can do that with their Apple Certified Refurbished service. All you can do is buy another iPhone in excellent condition like the iPhone 11 Pro Max for $400 from Backmarket

In addition, as Krupp pointed out, to it being possible for the end user to replace their own battery, Apple also does it in store for, in the U.S. about $80, much cheaper than buying a whole other phone.

iPhone Battery Health at 83% - When do I replace it?

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