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User profile for user: FranFri
FranVr Auteur
User level:Level 1 8 punt
so I bought this iPhone XS in May 2019 and it has a battery percentage of 85.
Should I worry about the warranty?
never charged it overnight...
iPhone XS, iOS 13
Written on January 25, 2020 at 10:57 am
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User profile for user: Lawrence Finch
Laurens Finch
User level:Level 10 201,253 points
Sent on January 25, 2020 to 11:03
If you've never charged it overnight, that could be a factor. I charge my Xr at night, every night, and it's still at 100%. Have you also checked the condition of the battery when it is fully charged? Then it is most accurate.
However, battery life is not measured in calendar or clock time. It is based on full charge cycles and is rated for 500 full charge cycles at 80%. So at 85% it means you've used 350 full charge cycles. Possible but unlikely in less than a year unless you charge it from 0% to 100% several times a day. Apple can monitor the number of full charge cycles, but that number is not available on the phone. If you have a Mac, you can install the free Coconut Battery app, which reports complete charge cycles.
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User profile for user: Lawrence Finch
Laurens Finch
User level:Level 10 201,253 points
January 25, 2020 at 11:03 am in response to FranFri
If you've never charged it overnight, that could be a factor. I charge my Xr at night, every night, and it's still at 100%. Have you also checked the condition of the battery when it is fully charged? Then it is most accurate.
However, battery life is not measured in calendar or clock time. It is based on full charge cycles and is rated for 500 full charge cycles at 80%. So at 85% it means you've used 350 full charge cycles. Possible but unlikely in less than a year unless you charge it from 0% to 100% several times a day. Apple can monitor the number of full charge cycles, but that number is not available on the phone. If you have a Mac, you can install the free Coconut Battery app, which reports complete charge cycles.
Clutch
User profile for user: Lawrence Finch
Laurens Finch
User level:Level 10 201,253 points
January 26, 2020 2:23 PM in reply to FranFri
So your battery is exactly where it should be. At approximately 350 cycles this should be 85% to meet specifications. I'm surprised you had so many charge cycles; you must be a very heavy phone user. One way to reduce the number of cycles is to charge the phone overnight every night. When the battery is fully charged, the phone will stop charging and all usage will come from the mains instead of the battery. This includes background app processing and notifications received at night.
If it reaches 80% before your warranty expires, Apple will replace the battery for free. If the battery reaches 80% or less after the warranty expires, Apple will replace the battery for $69.
Clutch
User profile for user: FranFri
FranVr Auteur
User level:Level 1 8 punt
January 26, 2020 at 11:15 am in response to Lawrence Finch
I downloaded the coconut battery software and it says I have the full charging capacity of 2322 mAh, beyond the design capacity of 2642 mAh and the number of cycles is 343. I only charged it with the original iPhone adapter... what should I do? !
Clutch
User profile for user: FranFri
FranVr Auteur
User level:Level 1 8 punt
January 26, 2020 8:17 PM In reply to Lawrence Finch
Yes, it could be because I use my phone a lot. But thank you very much for these answers.
Clutch
iphone xs and battery 85%
