Opening Your AirTag in Three Steps

To open an AirTag, hold it with the stainless steel back facing up. Press down firmly on the metal back with your thumb, then twist it counterclockwise about a quarter turn until you feel it stop. The back will pop off, revealing the battery compartment inside. The whole process takes about five seconds once you know where to press.

The key is pressing down and twisting at the same time — pressing alone will not work. Use steady pressure rather than jabbing. If the back does not budge after a quarter turn, you may be twisting the wrong direction; try clockwise instead, though counterclockwise is the standard direction.

Once the back comes off, you will see a small circular battery sitting in a plastic holder. The battery is a CR2032, a common coin-cell battery about the size of a dime. Lift it straight out by the edge — do not pry it with a sharp object, as this can damage the contacts inside.

Key Takeaways

  • Press down on the stainless steel back of the AirTag with your thumb while twisting counterclockwise about a quarter turn to open it.
  • The battery inside is a CR2032 coin-cell battery, which you can buy at any drugstore, supermarket, or online retailer for two to five dollars.
  • Lift the old battery straight up by its edge rather than prying it, and insert the new one with the positive side facing up.
  • The back snaps closed with a clockwise twist and clicks into place when seated correctly.

Inserting a New Battery

Before you put in the new battery, check which side is which. A CR2032 has a flat side and a slightly raised side. The raised side is the positive terminal and should face up toward you when you look into the AirTag. The flat side goes down against the plastic holder.

Drop the new battery into the compartment with the positive side up. It should sit flat and level in the plastic holder. If it tilts or sits crooked, remove it and try again — a battery that is not seated properly may not make contact and your AirTag will not work.

Closing the AirTag Back Up

Once the battery is in place, align the metal back with the body of the AirTag. The back has a small notch or marker that lines up with a corresponding mark on the AirTag itself — line these up before you twist. Press down gently and twist clockwise about a quarter turn until you hear or feel a click.

The click means the back is seated and locked. If you do not hear a click, the back may not be fully closed. Twist it back counterclockwise, check that the battery is sitting flat, and try again. A properly closed AirTag will not rattle or feel loose when you shake it gently.

Where to Buy a Replacement Battery

CR2032 batteries are sold at pharmacies, grocery stores, electronics retailers, and online. Common brands include Duracell, Energizer, and Panasonic, and they all work the same way in an AirTag. A single battery costs between two and five dollars depending on the brand and where you buy it. A pack of two or four batteries usually costs less per battery than buying one at a time.

If you cannot find CR2032 batteries locally, you can order them online and receive them within a few days. Battery life in an AirTag is typically about one year of normal use, so you may want to keep a spare on hand rather than rushing to buy one when your AirTag stops working.

What to Do If the Back Will Not Open

If the back is stuck, try wrapping a thin cloth or rubber band around the metal back to improve your grip. Press down harder while twisting — sometimes the back is straightforward tight from the factory. Twist slowly and steadily rather than jerking, as a sudden motion can slip and hurt your hand.

If the AirTag is brand new and has never been opened, the back may be especially tight. This is normal. Give yourself a moment, take a breath, and try again with firm, steady pressure. If you still cannot open it after several attempts, the back may be defective, and you should contact Apple support or return the AirTag to where you bought it.

Common Mistakes to Avoid

Do not use tools like screwdrivers, pliers, or knives to pry open the back. These can scratch the metal, damage the plastic inside, or slip and hurt your hand. The AirTag is designed to open by hand, and if you cannot open it by hand, forcing it with tools will only make the problem worse.

Do not touch the battery contacts — the small metal circles inside the compartment — with your bare fingers more than necessary. Oils from your skin can interfere with the electrical connection. If you do touch them, wipe them gently with a clean, dry cloth before closing the AirTag back up.

Do not insert the battery upside down. If the flat side faces up, the battery will not make contact and your AirTag will not work. If your AirTag stops working right after you replace the battery, open it again and check that the positive side is facing up.

How Often You Will Need to Replace the Battery

A CR2032 battery in an AirTag lasts about one year under normal use. If you use your AirTag heavily — checking its location multiple times a day or using it to track something that moves frequently — the battery may drain faster and last eight to ten months instead. If you use it lightly, checking only once a week or so, it may last longer.

Your iPhone will send you a notification when the battery is running low, usually a few weeks before it dies completely. This gives you time to buy a replacement battery and swap it out before the AirTag stops working. Once the battery is completely dead, the AirTag will not communicate with your iPhone until you replace it.

Frequently Asked Questions

Can I use a different type of battery in my AirTag?

No. AirTags are designed to work only with CR2032 batteries. Other coin-cell batteries like CR2025 or CR2016 are physically similar but have different voltage or capacity, and they will not work reliably. Stick with CR2032.

What should I do with the old battery?

Take it to a battery recycling program. Many retailers that sell batteries, including Best Buy and Home Depot, have battery recycling bins near the checkout. You can also search for a local recycling center on Earth911.com or call your city's waste management department for drop-off locations.

Will my AirTag work while I am replacing the battery?

No. Once you remove the battery, the AirTag is powered off and will not communicate with your iPhone. The process takes only a minute or two, so the downtime is brief. Your iPhone will show the AirTag as offline until you close the back and the battery makes contact again.

Is it safe to open an AirTag myself?

Yes. Opening an AirTag to replace the battery is a normal maintenance task and does not void any warranty. The back is designed to come off by hand, and there are no tools, special knowledge, or risk involved as long as you follow the steps above.

What if I lose the metal back?

Contact Apple support or visit an Apple Store. Replacement backs are available, though you may need to purchase a new AirTag if the back is not sold separately in your region. Keep the back in a safe place while you have the battery out to avoid losing it.