How do I know my iPhone battery needs replacing?

For iPhone 6 and later, iOS 11.3 and later add new features to show battery health and recommend if you need to replace the battery. You can find these in Settings > Battery > Battery Health (with iOS 16.1 or later, find these in Settings > Battery > Battery Health & Charging).
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How do I check if my iPhone battery needs replacing?

Go to Settings > Battery, then tap Battery Health & Charging. iPhone displays information about your battery's capacity, peak performance, and whether your battery needs to be serviced.
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At what percentage should I replace my iPhone battery?

When the capacity of your iPhone battery dips below 80%, you'll see the following message: “Your battery's health is significantly degraded. An Apple Authorized Service Provider can replace the battery to restore full performance and capacity.
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Is 70 percent battery health good for iPhone?

Apple considers any iPhone with a battery capacity of 80% or above to be in optimal condition. In fact, Apple feels so strongly about battery health that its 1-year warranty covers any battery at 80% capacity or more. It's not unusual to see iPhones that, after one year, still have a battery capacity of 95% or above.
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How many years should an iPhone battery last?

An iPhone lithium-ion battery typically holds up to 500 charge cycles, or about two years; before you will see a degrading of the battery to 80% of its full capacity.
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top 5 Signs that Your iPhone Needs a New Battery



What kills battery health on iPhone?

It's especially important to avoid exposing your device to ambient temperatures higher than 95° F (35° C), which can permanently damage battery capacity. That is, your battery won't power your device as long on a given charge. Charging the device in high ambient temperatures can damage it further.
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Can I increase my iPhone battery health?

To improve battery life, you can turn off the feature that allows apps to refresh in the background. Go to Settings > General > Background App Refresh and select Wi-Fi, Wi-Fi & Mobile Data, or Off to turn off Background App Refresh entirely.
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How do I get my iPhone back to 100 battery health?

There's only one thing that you can do to keep your iPhone's battery health at 100%. Stop using your iPhone. Yup, the only way you're going to keep your iPhone's battery at 100% is to stop using it and charging it.
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How long does 75% battery last on iPhone?

If, for example, your Maximum Capacity is 75%, that indicates that a full charge now will last you as long as a new battery charged to 75% would. So if the new battery would last you for 8 hours, a battery with 75% capacity will last you for around 6 hours.
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How often should I replace iPhone battery?

As the battery gets older it may start to require charging more frequently, hold charge less well, or even start to shut down your phone unexpectedly. Once your iPhone's battery passes the 500 complete charges point it's probably time for it to be replaced.
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Should I buy iPhone with a battery health of 80%?

When do I need to change my battery? When the battery health is below 80%, battery replacement is recommended. Generally, this is about two years after you buy your iPhone, but it depends on your usage. There are many cases where 80% is reached after four years.
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Will Apple replace battery if above 80%?

Our warranty doesn't cover batteries that wear down from normal use. Your iPhone is eligible for a battery replacement at no additional cost if you have AppleCare+ and your product's battery holds less than 80 percent of its original capacity.
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How much does it cost to get a battery for iPhone?

Starting March 1, Apple (AAPL) will charge $89 for battery replacements for iPhone X through iPhone 13 models, a $20 increase from the current price of a new battery. Battery replacements for other models, such as the iPhone SE and iPhone 8, will jump from $49 to $69.
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Can you just replace an iPhone battery?

With third-party components and various tools available to buy, you can crack open your iPhone and replace your battery, or your screen, often for less money than having a company do it for you.
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Does replacing iPhone battery do anything?

Your battery can still be used. However, you may be experiencing more noticeable battery and performance issues. A new replacement battery will improve your experience. More about service options.
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Are 75% batteries healthy?

Typically, anything below 80% battery health is weak, anything under 70% is very weak.
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What is the lowest battery health for iPhone?

However, at 40 or 50 percent of battery health, things start degrading really rapidly. You will be able to use your iPhone only for a couple of hours after each charge. Once you drop below 40 percent of battery health, it's time to get a new battery. Basically, your iPhone becomes pretty much unusable.
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Should I charge my iPhone overnight?

Shomes recommends charging your iPhone as it needs it. If you go to sleep and it has a 40 or 50 percent charge, leave it. Then charge it some time during the next day when it gets into the red. That way, the battery won't be stressed, and its health will last way longer than it will when overnight charging.
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Does overcharging an iPhone battery damage it?

The high voltage of getting the battery all the way to 100 percent actually puts more stress on the battery and can shorten its life.
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Can iPhone battery health be reset?

Recalibration in iOS 14.5 and later

While the battery health reporting system is recalibrating, you will see a message in Settings > Battery > Battery Health. Recalibration of maximum capacity and peak performance capability happens during regular charge cycles, and this process might take a few weeks.
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How much battery health is OK in iPhone?

Depending upon the length of time between when the iPhone was made and when it is activated, your battery capacity may show as slightly less than 100%. A normal battery is designed to retain up to 80% of its original capacity at 500 complete charge cycles when operating under normal conditions.
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Is it cheaper to get a new battery or a new phone?

Most local cell phone repair shops can replace your phone battery the same day you bring it in, or they can even replace the battery within the hour. So getting your phone battery replaced is both cheaper and faster than buying a new phone!
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Can I change Apple battery for free?

iPhone Battery Servicing

Our warranty doesn't cover batteries that wear down from normal use. Your iPhone is eligible for a battery replacement at no additional cost if you have AppleCare+ and your product's battery holds less than 80 per cent of its original capacity.
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What happens if iPhone battery health is 0?

0% battery is the time your iPhone shuts itself down in the middle of an activity because it's out of juice. To save your iPhone's battery from fast deterioration, avoid fully discharging it. Charge your battery when the percentage drops below 20%, the time when you get low battery warnings on your screen.
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