Yes, an AirTag in luggage is allowed; its coin-cell lithium stays within limits for checked bags—follow FAA and airline tracker rules.
Prohibited
Rules Apply
Allowed
Carry-On
- Allowed in cabin
- Spare coin cells go in carry-on
- Mute sound before boarding
Cabin
Checked Bag
- AirTag can stay on
- Battery ≤0.3 g lithium metal
- Protect from crush/moisture
Hold
Special Handling
- International flights follow IATA/ICAO
- Airline policy may vary
- Smart bags differ
Policies
Why Travelers Use An AirTag In Checked Bags
Apple’s tracker pings nearby Apple devices and updates location in the Find My app. The tag uses a CR2032 coin cell, so there’s no charging cable to fuss over. That tiny battery and low-power Bluetooth make it bag-friendly on long routes.
Rules matter, though. Aviation safety pages set limits for small lithium cells in baggage. The good news: an AirTag sits well under those limits, and regulators say tracking tags can ride in checked bags when they meet the thresholds and stay protected.
AirTag In Luggage: What’s Allowed At A Glance
Item Or Scenario | Carry-On | Checked Bag |
---|---|---|
AirTag installed with CR2032 coin cell | Allowed | Allowed when under lithium limits; keep secured |
Spare CR2032 coin cell (loose) | Allowed with terminal protection | Not allowed in the hold |
Smart bag with removable battery | Allowed | Allowed only if the battery meets limits or is removed |
Smart bag with non-removable battery that powers features | Allowed | Often refused unless it meets very small battery limits |
Rechargeable tracker (tiny Li-ion ≤2.7 Wh) | Allowed | Allowed if within limits and protected |
Placing An AirTag In Your Luggage: Rules And Tips
Know The Battery Thresholds
For checked bags, the common benchmark is small lithium content: up to 0.3 g for lithium-metal coin cells or 2.7 Wh for lithium-ion. That cutoff is the line many regulators draw for “bag tags” that may stay on during flight. AirTag runs on a CR2032 lithium-metal cell, which falls within that small-battery class.
Active Or Off Inside The Hold?
Bag trackers under the small-battery limits may stay active in checked luggage. That’s by design: they use tiny cells and low-energy radios that don’t drive motors or heat elements. You don’t need to switch on airplane mode; the tag just chirps a quiet Bluetooth signal and waits for nearby devices to pass by.
Where To Place The Tag
Drop it where handlers won’t crush it and where radios aren’t smothered. Inside a mesh pocket works well. Tuck the tag in a soft case or silicone holder so it doesn’t rattle. Avoid the metal frame channel, dense toiletry kits, or a nest of cables that can block signal scans on the way through a baggage hall.
Set Up Before You Pack
- Pair the tag in the Find My app and name it after the bag.
- Test a sound and a live location while at home or at the hotel.
- Update iOS and AirTag firmware when you have Wi-Fi.
- Snap a photo of the bag’s exterior and claim tag for reference.
What The Official Pages Say
U.S. hazmat guidance explains that baggage-location tracking devices with coin cells not exceeding 0.3 g lithium, or Li-ion up to 2.7 Wh, may ride in checked baggage. It also reminds travelers to follow airline policy. European and global guidance mirrors this, carving out a small-battery exception that lets trackers remain on in the hold. Apple’s support page lists the AirTag battery as a CR2032 lithium 3V coin cell. See FAA PackSafe on baggage trackers and the TSA page on lithium batteries in devices.
Legal Limits In Plain Numbers
Here’s the math that keeps trackers green-lit. Lithium-metal coin cells in devices can contain up to 0.3 grams of lithium and still qualify for the small-battery carve-out. For lithium-ion, 2.7 watt-hours is the matching bar. These limits are far below laptop and power bank numbers, which is the point: tiny cells pose far less risk. An AirTag sits in that tiny tier, and its radio is low power. Pack the device installed, keep any spare coin cells in your cabin bag, and you’re within the rules on most airlines.
Packing Steps That Keep Things Smooth
Prep The Battery
Use a fresh CR2032 from a sealed blister. If the cell uses a heavy bitter coating that causes contact issues, swap brands. Keep any spare coin cells in carry-on only, with the contacts taped or in the retail tray.
Protect The Device
Seat the tag in a holder and place it mid-bag, between clothing layers. That cushions impact and keeps the radios free. If your bag has a hidden pocket near the lining, that’s a sweet spot: hard to spot, easy for signals to slip out.
Make Retrieval Fast
Save the bag’s photo and route in a note. If the bag misses a connection, you’ll have a time-stamped location to share at the counter. Keep Bluetooth on after landing so the app updates as the bag rolls off the plane.
Airline Rules And Global Flights
Most carriers follow the same small-battery thresholds. A few list extra wording on smart luggage and removable batteries. If your itinerary mixes airlines, read each policy page. When in doubt, show staff the tracker model and the coin-cell spec on the support page. Ground teams know the limits for 0.3 g lithium-metal and 2.7 Wh lithium-ion devices.
Smart Bags Vs. Simple Tags
Smart suitcases that power USB ports or wheels are a different category. Many airlines demand that you remove those bigger batteries before check-in. That’s separate from a tiny tag. Don’t let the two get lumped together at the counter.
Signal Basics That Help Tracking
Avoid Shielding
Metal shells, foil-lined kits, and stacked power banks damp Bluetooth scans. Spread heavy items away from the tag. If you use a hard-side case with an aluminum frame, place the tag near the zipper line, not under the handle plate.
Give The Network A Chance
Location refreshes come from passing Apple devices. At a small airport this may take a minute. In a busy hub, the dot often updates within seconds. Patience pays off on the ramp, during sorting, and at customs. You’ll see hops, not a perfect breadcrumb trail.
Security Screening And App Alerts
AirTags pass X-ray without issue. If your iPhone flags an unknown AirTag moving with you, that’s Apple’s anti-stalking feature, not an airport rule. Tap the alert, then use Play Sound and follow steps to identify or safely disable the tag if needed.
Table: Quick Troubleshooting
Signal Or Symptom | Meaning | Fix |
---|---|---|
No updates since departure | Low device density on ramp or tag shielded | Wait through sorting; move tag away from metal in next pack |
“Last seen” at origin hours later | Bag misrouted or device path delay | Show the app screen at baggage service for tracing |
Sound won’t play on arrival | Battery weak or contacts dirty | Replace CR2032; clean contacts with a dry cloth |
Intermittent map jumps | Multiple devices passing near the tag | Cross-check with belt timing and carousel number |
“Not reachable” pop-up | Phone Bluetooth off or airplane mode still on | Toggle Bluetooth; reopen Find My; step closer to the bag |
Care, Batteries, And Lifespan
A single cell commonly lasts about a year with routine pings and the odd chirp. The tag shows a low-battery prompt in the Find My app when it’s time for a swap. Don’t wrap the AirTag in cling film or duct tape; adhesives can seep into the seam and dull the speaker or jam the cover.
Store spare cells in their retail tray inside cabin baggage. Cold cargo holds can dip in temperature; that’s fine for the installed coin cell, but loose spares don’t belong there. If your route includes long layovers, pack one extra CR2032 up front so a weak cell doesn’t ruin tracking mid-trip.
Privacy And Etiquette For Shared Trips
Tell travel companions that you tagged the family suitcase. If you check a joint bag and share the location with a partner, confirm both of you see the same bag name. Never place a tag in a person’s bag without consent. Follow local laws on tracking and always remove the tag if a bag changes hands.
When AirTags Won’t Fit The Job
A tag excels at location. It won’t tell you if the case tips over, or if the zipper is open. If you need movement or tamper alerts for high-value gear, pair the tag with tamper seals or a smart lock. For bikes or skis, a second tag in the gear case gives you two reference points.
Common Mistakes To Avoid
- Burying the tag under a stack of chargers or metal.
- Leaving spare coin cells in a checked bag.
- Forgetting to pair and rename the tag before leaving home.
- Using a loose holder that can pop open during a rough sort.
- Assuming every smart bag rule applies to tiny tags.
Bottom Line For AirTags In Luggage
Yes, you can place an AirTag in your luggage. Keep the tracker installed with a CR2032 coin cell, seat it safely inside the bag, and pack any spare cells in your carry-on. Follow airline pages for smart bags, and stick to the small-battery thresholds that keep bag tags green-lit worldwide.