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Battery health

My iphone 14 pro brought 4 months back my battery health dropped too 97 why this was happening

iPhone 14 Pro

Posted on Aug 30, 2023 9:40 AM

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Question marked as Top-ranking reply

Posted on Aug 30, 2023 9:43 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 covered by warranty) 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. A 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. A notification will appear about this. 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.

What this basically means:

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

- If battery health drops below 80% before the end of the first year, contact Apple about a warranty replacement. (Apple will test it to determine its actual eligibility.)

- If battery health drops below 80% (you will see a warning message) after the first year, consider getting the battery replaced but anticipate paying for it.


7 replies
Question marked as Top-ranking reply

Aug 30, 2023 9:43 AM in response to saisrinivas275

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 covered by warranty) 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. A 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. A notification will appear about this. 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.

What this basically means:

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

- If battery health drops below 80% before the end of the first year, contact Apple about a warranty replacement. (Apple will test it to determine its actual eligibility.)

- If battery health drops below 80% (you will see a warning message) after the first year, consider getting the battery replaced but anticipate paying for it.


Aug 30, 2023 9:48 AM in response to saisrinivas275

Every time you complete a full cycle battery charge, your battery health will reduce. Typically, one can expect a decline of 1-2% per month of ownership. You are well within the normal range after 4 months. Battery Health decline canNOT be stopped. When your Batteries Health dips to 80% or less, which is will one day, you will then need to pay Apple to replace the battery in your iPhone.


Things to ensure:

  1. Plug your phone in to charge at night, EVERY NIGHT and make sure Optimized Charging is turned on.
  2. Don't let you battery go below 20% and never let it fully drain.
  3. Read this link about Maximizing Batteries --> Batteries - Maximizing Performance - Apple
  4. Stop worrying about something which is normal as batteries age, they lose the ability to hold the same charge as new and this is true of ALL batteries.

Aug 30, 2023 9:44 AM in response to saisrinivas275

Perfectly normal.

Batteries degrade over time with usage due to chemical aging, that's just how they work.

You can expect about a 1% drop per month with average use on an iPhone.

This is an approximation, that is why it may be plus or minus a few percent on a month to month basis.

Apple recommends replacing it when it reaches 80%. To check your battery health, go to Settings > Battery > Battery Health.


iPhone Battery Replacement.

iPhone Battery Repair & Replacement - Apple Support


About Lithium Ion Batteries

iPhone battery and performance - Apple Support (IN)


Here are some tips on maximizing battery life.

Batteries - Maximizing Performance - Apple


Aug 30, 2023 10:20 AM in response to saisrinivas275

Your phone is performing normally. Your sister's phone is doing better than average. She may not use her phone the same way that you do, or she is lucky.


My phone is not doing as well as yours is. It is performing normally though since I am a heavy user.


If you really feel that your phone's battery has a problem, make an appointment at the Apple Store or take the phone to an authorized Apple Service shop to let them run some tests on the battery.


But......you should expect to be told that your phone is performing normally.


Find Locations




Aug 30, 2023 10:13 AM in response to saisrinivas275

No two people use their phones in exactly the same way. So you can't compare your iPhone to someone else's phone. And iPhone batteries are rated to hold up to a certain amount of charge at maximum. But often, some batteries hold more than specified. Their health will decline, but it won't be noticed until the level comes down from the max level. Think of two glasses of water rated to hold 8 ounces. Only one glass is filled a little higher. As the water evaporates, one glass will hold less than the other glass.


You have nothing wrong and you need to stop worrying about it. Your iPhone is working with specification. Further, unless your iPhone's battery dips to 80% or less in the first 12 months of ownership, which is just not going to happen, you don't have a valid warranty issue either.

Battery health

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