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

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.

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.

In a month or two when it is down to 80%.

Apple generally will not replace the battery unless it is down to 80%, but if you have an authorized Apple service shop nearby, you could ask them about replacing now.

You can find a list of authorized service shops in your area using this link: Find Locations

anorton wrote:

but it would be nice to have an official "sub 80%" reading from the phone, so i know that i won't get denied if i take it in.

Apple can run diagnostics remotely. While it is certainly common that capacity drains more slowly later in the battery's life than it did early on, there may also be something else wrong with your battery (or phone). Contact Apple and see what they tell you.

The last battery I had replaced showed as 81% on the phone but I was also experiencing sudden, random shutdowns.

Genius Bar Reservation and Apple Support Options - Apple

iwmp wrote:

I've always wondered why this is the case; why wouldn't apple want to replace the battery over 80%? Surely if the customer doesn't find it lasts long enough especially on smaller models like the 12 mini or SE.. And it is extra business for them, no?

Probably because replacing a battery that didn't really need replacing wouldn't end in a good customer experience. It probably wouldn't solve whatever problem the customer thinks they have (lots of people think they have a battery problem when they don't). It also probably would be cost-effective. I suspect Apple doesn't make a lot of money on replacing batteries between the cost of the battery, the labor, and the disposition of the used battery.

Apple will replace a battery that has more than 80% capacity if diagnostics show that there is something else wrong with the battery. I had one replaced at about 83%. The phone was shutting down suddenly. Apple ran diagnostics and decided the solution was a new battery.

But, as Bob said, only Apple would really be able to answer that.

If you find it isn't lasting you long enough especially, you should replace the battery now

Apple will not replace the battery unless it tests out as defective or is under 80% Maximum Capacity.

Apple recommends replacement at 80%, so you have a few more months to go.

If the battery is still working well at 80%, you can probably go another month or two beyond 80% before replacement.

dickson3800 wrote:

My IPhone 13 Pro Max battery is at 85%

after 2 years should I replace it

To quote from the post that immediately proceeded yours by Bob Timmons:

Apple recommends replacement at 80%, so you have a few more months to go.

If the battery is still working well at 80%, you can probably go another month or two beyond 80% before replacement.

Reizerarc wrote:

Yes, you should replace your battery whenever your iPhone begins to experience delays, overheating and overall performance is suffering.

Apple will only replace the battery if 1) it's under 80% capacity or 2) they can diagnose other issues.

Hello~ It is recommended to has your battery replaced at 80%. Click on below…

Genius Bar Reservation and Apple Support Options - Apple

Find Locations

~Katana-San~

MAKRAHIM wrote:

I’m on iPhone 13 Pro Max battery life is 81%

how much longer my phone is good for

and replace the battery for now

and wait for an iPhone that has bigger upgrade

some tips please

rahim from canada

Your battery probably needs to be replaced. In the U.S., it would cost your $89 dollars. It's probably similar in Canada:

iPhone Battery Repair & Replacement - Apple Support

Unless you're planning on getting a new iPhone with in the next couple of months, I'd say it's worth replacing the battery.

prazgeorge wrote:

My iPhone Xs battery health is 81%. Do i replace it now?

You can contact Apple and have them run a diagnostic. Their tests are more accurate than the indicator on the phone. It's possible that their tests will show that it's 80% and/or they may be willing to do it at 81%. I had mine replaced at 81% because I was also starting to see random shutdowns and they took that into consideration.

Yes, you should replace your battery whenever your iPhone begins to experience delays, overheating and overall performance is suffering.

gle wrote:

I've been an Apple fan since '90, doing Star Trek sound FX on a Mac SE30. But... my iPhone battery went to 83% after one year. now almost a couple years later it's still at 83% although it requires charging 2-3 times day. Apple won't let you replace battery with an Apple battery until 80%, so appears to me that Apple sticks it above that so you CAN'T get a new battery and will buy a new phone. Bought over 20 macs and like a dozen phones and iPads over the years but getting not happy about this...

You can ask Apple to run diagnostics on the battery. The tests they run are more accurate than the information you see on the phone. My battery was at 81% when I had it replaced. Of course, I was also seeing sudden shutdowns.

Your battery is fine, nothing to worry about. 91% is great for a now two year old battery. Don’t spend time fretting about how you use your iPhone or what its battery health is. ALL batteries wear out eventually, fact of life. iPhones are engineered to get the most performance possible for their batteries. My iPhone 13 battery health is at 90% after three years. Don't worry, be happy.