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Do You Need to Replace Your iPhone Battery? Find Out Before Apple's Price Hike

Replacing your iPhone battery is about to get more expensive.

The iPhone X, iPhone 8 and the iPhone 8 Plus
It might be time to replace your iPhone battery.
Sarah Tew/CNET

If you've got an iPhone that is slow to charge, has trouble maintaining a charge throughout the day or is unexpectedly shutting down, you might need to get your iPhone battery replaced.

And you probably want to do it sooner than later. Apple recently announced that starting March 1, you'll have to pay $20 more to replace your battery through Apple's existing services (except for the iPhone 14 models, since that price is staying the same).

So how do you find out if you really do need to replace your battery? We'll show you how to check out your battery's health via your iPhone settings, as well as what you can do to prolong your battery's lifespan.

Read moreI Replaced My iPhone's Battery Myself and You Can Too

How to check on your iPhone battery's health

Your iPhone battery becomes less effective over time, but you could also have a faulty battery on a brand-new iPhone. To quickly check if there's an issue with your battery health, go to Settings > Battery > Battery Health & Charging. If you're running anything below iOS 16.1, the latter will appear as just Battery Health.

At the top, you'll see the maximum capacity of your battery, which should be 100%, or close to it, if you have a relatively new iPhone. 

However, what you want to look at is Peak Performance Capability and the sentence underneath that. If you see Your battery is currently supporting normal peak performance, you don't have any recognized battery issues and you shouldn't need a replacement.

iOS setting to check your iPhone battery's health

Check what it says under Peak Performance Capability to learn if you need to replace your battery.

Screenshot by Nelson Aguilar/CNET

Do you need to replace your iPhone battery?

If you see any of the following messages, you may need to replace your battery, or at the very least make an appointment with Apple or an authorized service provider to check your battery out:

  • This iPhone has experienced an unexpected shutdown because the battery was unable to deliver the necessary peak power. Performance management has been applied to help prevent this from happening again, or You have manually disabled performance management protections.
  • This iPhone is unable to determine battery health. An Apple Authorized Service Provider can service the battery. More about service options.
  • Your battery's health is significantly degraded. An Apple Authorized Service Provider can replace the battery to restore full performance and capacity. More about service options.

Depending on whether you have insurance (third-party or AppleCare Plus) or not, you may not have to spend any money at all to replace your iPhone's battery. If your iPhone is new, you have at least a one-year warranty to replace a defective battery. If you do not have insurance, Apple charges an estimated $49 to $99 to replace your battery. Additionally, you can check out the Apple Service Programs page to see if any replacement or repair programs are available for your device.

An iPhone battery being replaced

You can even replace your own battery.

Andrew Lanxon/CNET

Is there anything you can do to prolong your iPhone battery's life?

The quicker you go through your daily battery life, the quicker your battery's overall lifespan degrades, so here are some tips to follow, according to Apple:

  • Update to the latest software available.
  • Adjust your screen brightness (manually or automatically) as needed.
  • Use Wi-Fi when available.
  • Enable Low Power Mode as needed.
  • Turn off Background App Refresh (overall or an on a per-app basis).
  • Turn off Location Services (overall or on a per-app basis).
  • Turn off Allow Notifications.
  • Turn on Airplane Mode when applicable.
  • When you charge your phone with your computer, make sure your computer is plugged in.
Two iOS settings to help keep your battery's health

You can toggle on auto-brightness (left) and prevent apps from refreshing in the background (right) to improve your battery life and lifespan.

Screenshot by Nelson Aguilar/CNET

If you need more battery-saving tips for your iPhone, check out eight ways to improve iPhone battery lifetwo iOS 16 features to disable to save battery and what happens if you keep your iPhone in Low Power Mode all the time.