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iPhone 6(S)/Plus 90% battery wear after one year normal?

J

judino28

macrumors member
Original poster
Jul 29, 2008
72
16
My 6s battery was replaced free last December under the replacement program.

Now, Apple’s battery health is reporting the new battery as being at 90% health. This seems like it’s degrading faster than the original one as coconut battery had my old battery at around 82% health after two years of heavy use.

I also notice that sometimes it will drain faster than usual (down to 20% with less than 2 hours screen time and no background activity) and then charge very fast (from like 20% to 50% in 10mins). It then functions normally.

Is this normal or is there an issue? I plan to get a new battery next month anyway as I want to take advantage of the $29 replacement as I have no plans to get rid of my 6s. But, perhaps the old battery will be replaced under warranty due to these issues.
 
There's a lot of factors to consider, so it's difficult to say whether your battery is normal or not without knowing more about your usage.

In any case, Apple's rule of thumb is that it should take at least 2 years to reach 80% wear, so it sounds like you're within the norm.
 
80% is the threshold when considered faulty so it wouldn’t be covered under warranty. The first thing they do when you bring it in is run a device diagnostic that checks multiple system components and the battery will be considered good unless it reads 80% within one year of use..You can have it replaced regardless if you pay the $29 if you want a new battery..
 
I also experienced an issue with an Apple replacement battery in my son's SE.

About five months after receiving a new battery, the phone shut off and could not be started. My son said the battery had never performed as well as the original.

I noticed the case was slightly swollen. Apple replaced the phone.
 
My wife’s 7 was at 82% at about 18-19 months. We could’ve touched it out another 2% but it was running poorly so we paid the $29 for an out-of-warrant replacement. Has run great since.

The behavior you mentioned is odd, but I don’t think Apple would do anything for you with your battery at 90%.
 
likely not defective but your usage could be the problem.

constantly leaving the phone plugged in constantly and charging multiple times per day not to a full charge (which will happen once it starts degrading) makes the battery health go down.
 
Ebok said:
likely not defective but your usage could be the problem.

constantly leaving the phone plugged in constantly and charging multiple times per day not to a full charge (which will happen once it starts degrading) makes the battery health go down.
Click to expand...

I usually only charge it once per day, at night.
 
AllergyDoc said:
My wife’s 7 was at 82% at about 18-19 months. We could’ve touched it out another 2% but it was running poorly so we paid the $29 for an out-of-warrant replacement. Has run great since.

The behavior you mentioned is odd, but I don’t think Apple would do anything for you with your battery at 90%.
Click to expand...

Mine was running poorly at 89% and one year of ownership. Luckily I didn’t have to pay for a new battery as I purchased Apple Care plus and I was having the speaker issue. Apple replaced my phone with a new white box.

I was actually shocked how poorly my battery wore out. My wife’s 7 plus was at 86% after two years.
 
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joeblow7777 said:
There's a lot of factors to consider, so it's difficult to say whether your battery is normal or not without knowing more about your usage.

In any case, Apple's rule of thumb is that it should take at least 2 years to reach 80% wear, so it sounds like you're within the norm.
Click to expand...

Well my x is at 95% after 5 months so at this rate it would be around 75-80% maybe worse
 
judino28 said:
My 6s battery was replaced free last December under the replacement program.

Now, Apple’s battery health is reporting the new battery as being at 90% health. This seems like it’s degrading faster than the original one as coconut battery had my old battery at around 82% health after two years of heavy use.

I also notice that sometimes it will drain faster than usual (down to 20% with less than 2 hours screen time and no background activity) and then charge very fast (from like 20% to 50% in 10mins). It then functions normally.

Is this normal or is there an issue? I plan to get a new battery next month anyway as I want to take advantage of the $29 replacement as I have no plans to get rid of my 6s. But, perhaps the old battery will be replaced under warranty due to these issues.
Click to expand...

I had the battery replaced last month for $29 and the capacity of my mint 6S+ was 89% with 177 charging cycles in 3 years when they ran the diagnostics on it prior to damaging the camera and replacing it with a refurb that had a 90 day warranty. (Since traded for 10R,so yeah,wasted $29)
 
Chances are apple are using used batteries for this $29.00 battery replacement
 
Depends on charge cycles. The more the cycles the more wear level. Get it replaced under Apple’s $29 program which ends this December.
 
joeblow7777 said:
You just said it’s only been 5 months and gave a plus or minus of 2% based on a 5% change...

That’s not enough data to extrapolate a trend.
Click to expand...

And yet I have ? I have already predicted my battery trend months ago with a plus or minus of 2%.
 
My rose gold iPhone 7 was at 87% after 25mths it was getting those unexpected shutdowns, couldn’t be arsed getting battery replaced at apple it’s a 2 hour trip to Birmingham UK and I don’t trust Apple online care after they opened my partners brand new Matt black one and scratched it due to fault with it just weeks after he bought it launch day!

I sold my Rosie gold and swapped it for a Jet black one the battery was 94% on it when I got it but after 3 weeks it’s saying 90%

So it’s dropped quickly is there anywhere I can check how old the phone is or how many charge cycles it’s had?

Thanks
 
I seem to be an outlier with my battery health. Tomorrow at 4:45pm will mark a full year using my X and battery health is showing 88%. Seems from what I'm reading that this is pretty bad.

Would you all recommend I take advantage of the battery replacement program? I have no intention of upgrading this phone before next fall.
 
Kerry78 said:
My rose gold iPhone 7 was at 87% after 25mths it was getting those unexpected shutdowns, couldn’t be arsed getting battery replaced at apple it’s a 2 hour trip to Birmingham UK and I don’t trust Apple online care after they opened my partners brand new Matt black one and scratched it due to fault with it just weeks after he bought it launch day!

I sold my Rosie gold and swapped it for a Jet black one the battery was 94% on it when I got it but after 3 weeks it’s saying 90%

So it’s dropped quickly is there anywhere I can check how old the phone is or how many charge cycles it’s had?

Thanks
Click to expand...
If you have a Mac you can Download Coconut Battery for Mac here: https://www.coconut-flavour.com/coconutbattery/
(I have no affiliation to the company whatsoever. I'm just a happy user of it.)
 
Had a similar experience, my 6s was experiencing unexpected shut downs after about a year (95% health) and got the battery replaced by Apple. The replacement battery started didn’t last 6 months before unexpected shutdowns. Took it back in and they replaced the device with a new one. It was out of warranty by that time.
 
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