What happens if I put batteries in my checked luggage?

Battery terminals should be protected by manufacturer's packaging or covered with tape and placed in separate bags to prevent short circuits. Damaged, defective or recalled lithium batteries must not be carried in carry-on or checked baggage if they are likely to be a safety concern by overheating or catching on fire.



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Checked Bags: Yes
in the most common sizes: AA, AAA, C, D, button cell, 9-volt, etc. Batteries must be protected from damage and creating sparks or a dangerous evolution of heat. For more information, see the FAA regulations on batteries.

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Good news! Most are allowed in carry-on or checked bags depending on the type of product and if they are battery operated. Battery operated toys that use traditional non-rechargeable batteries (AA, AAA, etc.) can go in checked or carry-on bags.

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Lithium batteries, which power everyday devices, can catch fire if damaged or if battery terminals are short-circuited. Devices containing lithium metal batteries or lithium ion batteries, including – but not limited to – smartphones, tablets, cameras and laptops, should be kept in carry-on baggage.

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Checked Bags: No Spare (uninstalled) lithium ion and lithium metal batteries, including power banks and cell phone battery charging cases, must be carried in carry-on baggage only.

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Spare (uninstalled) lithium ion and lithium metal batteries, including power banks and cell phone battery charging cases, must be carried in carry-on baggage only. With airline approval, passengers may also carry up to two spare larger lithium ion batteries (101–160 Wh) or lithium metal batteries (2-8 grams).

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Consumer-sized batteries (up to 2 grams of lithium per battery) may be carried. This includes all the typical non-rechargeable lithium batteries used in cameras (AA, AAA, 123, CR123A, CR1, CR2, CRV3, CR22, 2CR5, etc.)

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Items that are not allowed in checked luggage
  • Aerosols (in most cases) ...
  • Any device containing lithium metal or lithium-ion batteries. ...
  • Bug spray. ...
  • Christmas crackers. ...
  • Compressed gases. ...
  • Corrosive or oxidizing chemicals. ...
  • Cremated remains. ...
  • Emergency Position-Indicating Radio Beacons.


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Devices containing lithium metal or lithium ion batteries should be carried in carry-on baggage. Most other consumer electronic devices containing batteries are allowed in carry-on and checked baggage.

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Checked Baggage Screening TSA screens approximately 1.4 million checked bags for explosives and other dangerous items daily. Upon check in, your checked baggage will be provided to TSA for security screening.

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For example, flyers often wonder if a 20000mah power bank is allowed on flight. As 20000mah makes for less than 100 watt-hours, it can be carried in cabin luggage.

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When a carry-on bag is checked at the gate or at planeside, all spare lithium batteries and power banks must be removed from the bag and kept with the passenger in the aircraft cabin. The battery terminals must be protected from short circuit.

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Lithium batteries can overheat and ignite under certain conditions, posing a fire hazard on aircraft. These fires can be challenging to extinguish and may cause severe damage to the airplane and its passengers.

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