Apple Watch Battery Replacement
Apple Watch Battery Replacement

Changing the battery in an Apple Watch is a delicate process that can breathe new life into your device. This comprehensive guide will walk you through the steps and precautions needed to replace your Apple Watch’s battery.

Understanding the Need for Battery Replacement

Apple Watches, like all devices, have batteries that may wear down over time. If you notice your watch is not holding a charge as it used to or if the battery has swollen, it might be time for a replacement.

Assessing Battery Health

Before deciding to replace the battery, check its health. Apple Watches come with a battery health feature that tells you the maximum capacity of your battery relative to when it was new.

When to Replace Your Apple Watch Battery

Consider a battery replacement if:

  • The battery health is significantly reduced.
  • Your watch struggles to last a day on a full charge.
  • The battery is visibly swollen.

DIY Battery Replacement: Is it Feasible?

Replacing an Apple Watch battery by yourself is possible, but it’s not recommended unless you have experience with electronic repairs. The process requires specific tools and can be quite intricate.

What You Need for DIY Battery Replacement

If you decide to replace the battery yourself, you’ll need a specialized toolkit. iFixit and other online retailers offer Apple Watch battery replacement kits that include all the necessary tools and parts.

Step-by-Step Guide to DIY Battery Replacement

  1. Power Down Your Watch: Ensure your Apple Watch is turned off.
  2. Remove the Band: Detach the band from your Apple Watch.
  3. Open the Watch Case: Carefully open the case. This step varies depending on your Apple Watch model.
  4. Disconnect and Remove the Old Battery: Carefully disconnect the old battery and remove it.
  5. Install the New Battery: Place the new battery in the watch and connect it.
  6. Reassemble the Watch: Carefully close the watch case and reattach the band.

Apple’s Battery Service Option

If DIY seems daunting, Apple offers a battery replacement service. This can be done at an Apple Store or an authorized service provider. Costs may vary depending on whether you have AppleCare+ or if the watch is out of warranty.

Using AppleCare+ for Battery Replacement

If your Apple Watch is covered by AppleCare+ and the battery holds less than 80% of its original capacity, you might be eligible for a free battery replacement.

Precautions When Replacing the Battery

  • If your battery is swollen, take extra care as it could be hazardous.
  • Make sure to use the right tools to avoid damaging your watch.
  • Consider seeking professional help if you’re not confident in doing it yourself.


Replacing the battery in your Apple Watch can extend its life and improve performance. Whether you choose to do it yourself or seek professional help, understanding the process and knowing your options is key to a successful replacement.


  1. How do I know if my Apple Watch needs a new battery? Check the battery health in your watch settings. If it’s significantly lower than its original capacity, consider a replacement.
  2. Can I replace the battery myself? Yes, but it requires specific tools and skills. If you’re not experienced, it’s better to use professional services.
  3. How much does it cost to replace an Apple Watch battery? The cost varies. With AppleCare+, it might be free. Otherwise, Apple will charge a fee.
  4. How long does an Apple Watch battery last before needing replacement? Typically, an Apple Watch battery can last about 2-3 years with normal use.
  5. Is it safe to replace a swollen battery? Swollen batteries can be hazardous. If your battery is swollen, it’s safest to seek professional help for replacement.
Eric Chan

Hi! I’m Eric and I work on the knowledge base at  You can see some of my writings about technology, cellphone repair, and computer repair here.

When I’m not writing about tech I’m playing with my dog or hanging out with my girlfriend.

Shoot me a message at if you want to see a topic discussed or have a correction on something I’ve written.

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