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Battery health

My phone battery health is reducing very fast since it’s not been a year of purchase and it is 84% and 1 month is still left of my warranty so I am thinking if my battery health will go bellow 80% then what and how should I replace it for free since I have seen somewhere that apple will replace it for free if phone is still under warranty so help me figure it out .

iPhone 13, iOS 16

Posted on Aug 7, 2023 11:13 AM

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Question marked as Top-ranking reply

Posted on Aug 7, 2023 11:22 AM

Referring to the "Your battery's maximum capacity" section of the support article: iPhone Battery and Performance - Apple Support

"A normal battery is designed to retain up to 80% of its original capacity at 500 complete charge cycles when operating under normal conditions." Even rechargeable batteries get worn down and 1-2% health loss per month is perfectly normal. According to iPhone Battery and Performance - Apple Support , Apple apparently only considers it unusual (and warrant-able) if a battery drops below 80% maximum capacity in less than a year after you receive it. Ergo, some storage loss as you use it is anticipated and acceptable. Prorating that possible 20% drop over the first 12 months equates to 1-2% drop per month being within the range of what Apple finds acceptable. "The one-year warranty includes service coverage for a defective battery. If it is out of warranty, Apple offers battery service for a charge." In other words, if maximum capacity is below 80%, the battery is below normal performance and worth replacing. You can still use a device with a lower health percentage than 80% but for optimal usage you may wish to consider having it changed when it reaches 80% battery health.

- If battery health drops a few percentage per month that is normal.

- If battery health drops below 80% in the first year, contact Apple about a warranty replacement. (Apple will determine its actual eligibility.)

- If battery health drops below 80% after the first year, consider getting the battery replaced but anticipate paying for it.


Go to this web site for information about how to request battery service for your iPhone: iPhone Battery Repair & Replacement - Apple Support


For cost and availability, enter your model information in the "Get an estimate" box at the bottom. (I will let you do this since the answer will depend upon the country where you are located.)


For instructions on how to get your iPhone, iPad, or iPod touch ready for service click here --> Get your iPhone, iPad, or iPod touch ready for service - Apple Support



6 replies
Question marked as Top-ranking reply

Aug 7, 2023 11:22 AM in response to sid___jami

Referring to the "Your battery's maximum capacity" section of the support article: iPhone Battery and Performance - Apple Support

"A normal battery is designed to retain up to 80% of its original capacity at 500 complete charge cycles when operating under normal conditions." Even rechargeable batteries get worn down and 1-2% health loss per month is perfectly normal. According to iPhone Battery and Performance - Apple Support , Apple apparently only considers it unusual (and warrant-able) if a battery drops below 80% maximum capacity in less than a year after you receive it. Ergo, some storage loss as you use it is anticipated and acceptable. Prorating that possible 20% drop over the first 12 months equates to 1-2% drop per month being within the range of what Apple finds acceptable. "The one-year warranty includes service coverage for a defective battery. If it is out of warranty, Apple offers battery service for a charge." In other words, if maximum capacity is below 80%, the battery is below normal performance and worth replacing. You can still use a device with a lower health percentage than 80% but for optimal usage you may wish to consider having it changed when it reaches 80% battery health.

- If battery health drops a few percentage per month that is normal.

- If battery health drops below 80% in the first year, contact Apple about a warranty replacement. (Apple will determine its actual eligibility.)

- If battery health drops below 80% after the first year, consider getting the battery replaced but anticipate paying for it.


Go to this web site for information about how to request battery service for your iPhone: iPhone Battery Repair & Replacement - Apple Support


For cost and availability, enter your model information in the "Get an estimate" box at the bottom. (I will let you do this since the answer will depend upon the country where you are located.)


For instructions on how to get your iPhone, iPad, or iPod touch ready for service click here --> Get your iPhone, iPad, or iPod touch ready for service - Apple Support



Jul 8, 2024 7:51 AM in response to LSG亗

LSG亗 wrote:

Question guys. After 3yrs my iphone battery health is 83% is it good or need to replace now?


You don't say what model iPhone. Apple apparently won't change them until they are below 80%. Personally I find that with my iPhone at 83% that I have to charge it several times per day under quite modest use. I have something that uses Bluetooth and if I leave that turned on and forget to plug the phone in overnight then I am down to only a few % charge the next morning. I have done all the tricks I can to reduce power consumption but it's getting to the point where I may take it in for a new battery anyway. I am not sure if Apple would even consider doing it for my old iPhone so I may have to look elsewhere where I suppose they might do it regardless of the health level.

Battery health

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