How to Replace AirTag Battery: A Step-by-Step Guide for 2025

Apple’s AirTag has become an indispensable tool for tracking personal items, from keys to bags, thanks to its seamless integration with the Find My network. However, like any battery-powered device, the AirTag requires periodic battery replacement to maintain functionality. At Tech Today, we understand the importance of keeping your AirTag operational without hassle. This comprehensive guide provides detailed, step-by-step instructions on how to replace AirTag battery, including the correct battery type, replacement process, troubleshooting tips, and maintenance advice. Designed for U.S. users, our guide ensures you can confidently perform an AirTag battery replacement in 2025, keeping your tracker ready to locate your belongings.

Understanding the AirTag Battery

The Apple AirTag uses a CR2032 coin cell battery, a widely available 3V lithium battery known for its compact size and reliability. Apple estimates the AirTag’s battery lasts approximately one year under normal usage, though this varies based on factors like tracking frequency and environmental conditions. When the battery level drops below 10%, the Find My app on your iPhone, iPad, or Mac will notify you, indicating it’s time to change AirTag battery. We’ll guide you through identifying the right battery and performing a safe replacement.

Tools and Materials Needed for AirTag Battery Replacement

Before starting the AirTag battery replacement process, gather the following:

  • CR2032 Battery: Ensure it’s a high-quality, non-rechargeable 3V lithium coin cell battery from a reputable brand like Duracell, Energizer, or Panasonic. Avoid batteries with a bitterant coating, as Apple notes these may not work reliably in AirTags.
  • Clean, Flat Surface: A stable workspace prevents the AirTag or battery from rolling away.
  • Soft Cloth: Use a microfiber cloth to clean the AirTag and avoid scratches.
  • Optional Tweezers: Helpful for handling the small battery, especially if you have limited dexterity.

Step-by-Step Guide to Replace AirTag Battery

We’ve outlined a precise, easy-to-follow process to replace AirTag battery safely and efficiently:

Step 1: Confirm the Battery Needs Replacement

  1. Open the Find My app on your iPhone, iPad, or Mac.
  2. Select the Items tab and locate your AirTag.
  3. Check the battery status. If it shows a low battery warning (below 10%) or the AirTag isn’t connecting to the Find My network, proceed with replacement.
  4. Alternatively, if the AirTag stops appearing in the Find My app or fails to play a sound, the battery is likely depleted.

Step 2: Prepare the AirTag

  1. Place the AirTag on a clean, flat surface with the stainless steel battery cover (shiny side) facing up.
  2. Wipe the AirTag with a soft, dry microfiber cloth to remove dirt or fingerprints, ensuring a good grip.
  3. Wash and dry your hands to avoid introducing moisture or debris into the AirTag.

Step 3: Remove the Battery Cover

  1. Hold the AirTag firmly with one hand.
  2. Press down gently on the stainless steel cover with two fingers and rotate counterclockwise (to the left).
  3. Continue rotating until the cover pops up slightly, indicating it’s unlocked.
  4. Lift the cover off to expose the CR2032 battery.

Step 4: Remove the Old Battery

  1. Gently push the CR2032 battery out of its compartment. It should slide out easily.
  2. If the battery is stuck, use tweezers or a plastic tool to carefully lift it out. Avoid using metal objects to prevent damaging the AirTag.
  3. Dispose of the old battery responsibly at a local recycling center, as lithium batteries require proper disposal.

Step 5: Insert the New Battery

  1. Verify the new CR2032 battery has a “+” symbol facing up (positive side up).
  2. Slide the battery into the compartment, ensuring it fits snugly.
  3. Press gently to secure the battery in place. You may hear a slight click, indicating proper seating.

Step 6: Replace the Battery Cover

  1. Align the battery cover’s three tabs with the slots on the AirTag’s body.
  2. Press down gently and rotate clockwise (to the right) until the cover locks into place with a click.
  3. Ensure the cover is flush with the AirTag’s body to maintain its IP67 water and dust resistance.

Step 7: Test the AirTag

  1. Open the Find My app and check if the AirTag appears in the Items tab.
  2. Select the AirTag and tap Play Sound to confirm functionality. The AirTag should emit a chime.
  3. If the AirTag connects and responds, the battery replacement is successful.

Choosing the Right CR2032 Battery for AirTag

Selecting the correct CR2032 battery is critical for optimal AirTag performance. We recommend the following:

  • Reputable Brands: Choose batteries from trusted manufacturers like Duracell, Energizer, or Panasonic for reliability and longevity.
  • Avoid Bitterant-Coated Batteries: Some CR2032 batteries have a bitter coating to prevent ingestion by children. Apple advises against these, as the coating may interfere with the AirTag’s electrical contacts.
  • Check Expiration Date: Ensure the battery’s expiration date is at least 2-3 years in the future to maximize lifespan.
  • Purchase from Reliable Retailers: Buy from reputable sources like Amazon, Best Buy, or Walmart to avoid counterfeit or low-quality batteries.

A single CR2032 battery typically costs $1-$5, with bulk packs offering better value. Always store spare batteries in a cool, dry place to maintain their charge.

Troubleshooting AirTag Battery Replacement Issues

We’ve compiled solutions to common problems you may encounter during or after AirTag battery replacement:

Issue 1: AirTag Not Connecting After Battery Replacement

  • Solution: Ensure the battery is inserted with the positive (“+”) side up. Remove and reinsert the battery to confirm proper contact. Clean the battery compartment with a dry cloth to remove debris. Try a different CR2032 battery if the issue persists.

Issue 2: Find My App Shows Low Battery Warning

  • Solution: Verify the battery is not expired or defective. Replace with a new CR2032 battery from a reputable brand. Reset the AirTag by removing and reinserting the battery five times in quick succession, waiting 30 seconds between each insertion.

Issue 3: Battery Cover Won’t Close

  • Solution: Check that the battery is seated correctly and not obstructing the cover. Align the cover’s tabs precisely with the AirTag’s slots. Apply gentle pressure while rotating clockwise to secure the cover.

Issue 4: AirTag Not Playing Sound

  • Solution: Confirm the AirTag is paired with your device in the Find My app. Ensure the battery is properly inserted and has sufficient charge. If the issue persists, unpair and re-pair the AirTag via the Find My app by selecting Remove Item and then adding it back.

Issue 5: Water Resistance Concerns

  • Solution: Ensure the battery cover is fully closed to maintain the AirTag’s IP67 rating. Avoid exposing the AirTag to water immediately after replacement to allow the seal to settle. Inspect the cover for damage or debris before closing.

Maintaining Your AirTag for Longevity

To extend the life of your AirTag and its battery, we recommend the following maintenance tips:

  • Regular Cleaning: Wipe the AirTag with a soft, slightly damp microfiber cloth to remove dirt, avoiding harsh chemicals that could damage the finish.
  • Monitor Battery Life: Check the Find My app monthly for battery status to anticipate replacement needs.
  • Store Properly: Keep the AirTag in a protective case or holder when attached to items like bags to prevent scratches or damage.
  • Avoid Extreme Temperatures: Store the AirTag between -4°F and 113°F (-20°C to 45°C) to preserve battery life and functionality.
  • Update Firmware: Ensure the AirTag’s firmware is up to date via the Find My app to benefit from performance improvements and bug fixes.

How Often Should You Replace AirTag Battery?

Apple estimates the CR2032 battery lasts about one year under typical usage, defined as four Play Sound activations and one Precision Finding event per day. Factors that may reduce battery life include:

  • Frequent use of Precision Finding or sound playback.
  • Exposure to extreme temperatures or humidity.
  • Poor-quality or expired batteries.

We recommend checking the battery status every 10-12 months via the Find My app and replacing it proactively when the low battery warning appears.

Where to Buy CR2032 Batteries for AirTag

For convenience and reliability, we suggest purchasing CR2032 batteries from the following U.S. retailers:

  • Amazon: Offers bulk packs from brands like Duracell and Energizer, often with same-day or next-day delivery.
  • Best Buy: Stocks individual and multi-pack CR2032 batteries in-store and online.
  • Walmart: Provides affordable options, including store-brand batteries, available for pickup or delivery.
  • Apple Store: Sells CR2032 batteries alongside AirTag accessories, though prices may be higher.
  • Local Pharmacies: Chains like CVS and Walgreens carry CR2032 batteries in their electronics or battery sections.

Always verify the battery’s compatibility (non-bitterant coating) and expiration date before purchasing.

Recycling Your Old AirTag Battery

Lithium batteries like the CR2032 require proper disposal to protect the environment. We recommend:

  • Recycling Centers: Visit local recycling facilities or electronics stores (e.g., Best Buy) that accept lithium batteries.
  • Apple Trade-In Program: Drop off old batteries at an Apple Store, which offers free recycling for AirTag batteries.
  • Mail-Back Programs: Use services like Call2Recycle to mail batteries to certified recycling centers.
  • Local Regulations: Check your city’s guidelines for battery disposal, as some areas have specific drop-off locations.

Never dispose of CR2032 batteries in household trash, as they can pose environmental and safety risks.

Comparing AirTag Battery Replacement to Other Trackers

To provide context, we’ve compared the AirTag battery replacement process to other popular Bluetooth trackers:

  • Tile Mate:

    • Battery: Non-replaceable, requiring device replacement every 1-3 years.
    • Advantage: No maintenance needed.
    • Disadvantage: Higher long-term cost compared to AirTag’s replaceable battery.

  • Samsung SmartTag2:

    • Battery: Replaceable CR2032, similar to AirTag.
    • Replacement Process: Comparable to AirTag, with a twist-off cover.
    • Advantage: Familiar process for AirTag users.
    • Disadvantage: Limited compatibility outside Samsung’s ecosystem.

  • Chipolo One:

    • Battery: Replaceable CR2032.
    • Replacement Process: Slightly more complex, requiring a tool to pry open the device.
    • Advantage: Compact design.
    • Disadvantage: Less intuitive than AirTag’s twist-off cover.

The AirTag’s CR2032 battery and simple replacement process make it one of the most user-friendly trackers for long-term use.

Advanced Tips for AirTag Battery Management

For tech-savvy users, we suggest these strategies to optimize AirTag battery performance:

  • Minimize Precision Finding: Use Precision Finding sparingly, as it consumes more battery than standard tracking.
  • Disable Unnecessary Notifications: In the Find My app, turn off non-essential alerts to reduce battery drain.
  • Batch Replacements: If you own multiple AirTags, replace batteries simultaneously to streamline maintenance.
  • Test Battery Health: Use a multimeter to check the voltage of spare CR2032 batteries (should be ~3V) before installation to ensure quality.

Frequently Asked Questions About AirTag Battery Replacement

What Battery Does the AirTag Use?

The AirTag uses a CR2032 3V lithium coin cell battery, replaceable every 12 months under normal usage.

How Do I Know When to Replace AirTag Battery?

The Find My app displays a low battery warning when the AirTag’s battery drops below 10%. If the AirTag stops connecting or playing sound, the battery likely needs replacement.

Can I Use a Rechargeable CR2032 Battery?

No, Apple recommends non-rechargeable CR2032 batteries without bitterant coatings for optimal performance.

Will Replacing the AirTag Battery Reset Its Settings?

No, replacing the battery does not affect the AirTag’s pairing or settings in the Find My app.

Is AirTag Still Water Resistant After Battery Replacement?

Yes, if the battery cover is properly closed, the AirTag retains its IP67 water and dust resistance.

Why Trust Tech Today for Your AirTag Battery Replacement Guide?

At Tech Today, we are committed to delivering precise, user-friendly guides to simplify technology maintenance. Our team has hands-on experience with Apple AirTags, thoroughly testing the battery replacement process to provide accurate, up-to-date instructions for 2025. Whether you’re a first-time AirTag user or a tech enthusiast, our guide ensures you can replace AirTag battery with confidence. Explore our site for more gadget troubleshooting tips, reviews, and technology resources.