When should you replace your iPhone battery? 

The lifespan of an iPhone battery is often two to three years or more. Occasionally, you might suddenly realize your battery is dead without having received any notification from Apple. As the battery ages, it slows down, meaning a full charge won't last as long. So, how can one determine when they should replace their iPhone battery?

If your battery's health plummets to 80%, a replacement is necessary. At this point, Apple will notify you of your battery's severe decline. Visiting an authorized service center will allow you to fully restore the battery to its former health, providing optimal performance and capacity.

A dimmer backlight than usual, lower volume when using the speaker, or the screen stuttering while scrolling are all potential indicators to replace your iPhone battery. Another possible sign that you need a new battery is a decrease in the frame rate of certain games and longer launch times for apps.

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iPhone battery replacement costs

When your battery health is down to 80% and you want to replace it, you can arrange for an iPhone battery service on Apple's official website. However, if it deteriorates due to "normal use," Apple's warranty won't cover battery replacement.

The AppleCare+ insurance policy allows for a battery replacement at no extra cost. However, if you haven't invested in it, here's what it costs to replace the battery:

Model	Battery replacement cost
iPhone 5s	$69
iPhone SE all models	$69
iPhone 6 all models	$69
iPhone 7 all models	$69
iPhone 8 all models	$69
iPhone X	$89
iPhone XR	$89
iPhone XS all models	$89
iPhone 11 all models	$89
iPhone 12 all models	$89
iPhone 13 all models	$89
iPhone 14 all models	$99
iPhone 15 all models	$99

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How to check iPhone battery health

Since the release of iOS 11.3, it's easy to diagnose unexpected shutdown issues and monitor your iPhone's battery health in iOS Settings by following these steps:

• Go to your iPhone Settings
• Tap on Battery
• Select Battery Health & Charging
• You should see your current battery capacity at the top of the screen.

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iPhone 15 battery and charging capacity

There's no significant boost in battery life for the latest iPhones, as the rumored increase in size never materialized. Even with the supposedly more efficient Apple A16 Bionic and A17 Pro chipsets and a new OLED display, there was no improvement. The tech giant clarified that the 15 and 15 Pro Max have the same battery life as their previous versions.

The iPhone 15 series' batteries and their charging capacities are mentioned below:

• 15: 3349mAh (up to 20 hours of video and up to 80 hours of audio playback)
• 15 Plus: 4383 mAh (up to 23 hours of video playback and up to 75 hours of audio playback)
• 15 Pro: 3274 mAh (up to 23 hours of video playback and up to 75 hours of audio playback)
• 15 Pro Max: 4422 mAh (up to 29 hours of video playback and up to 95 hours of audio playback)

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