How often do lithium batteries catch fire on a plane?

Incidents of overheated lithium batteries on aircraft are now happening at a rate of more than one per week, on average. In 2022, the Federal Aviation Administration reported at least 62 incidents involving lithium-ion batteries on airplanes and in airports, compared to 54 incidents the previous year.



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In fact, the incidence rate in the U.S. has rocketed up by about 42% since 2018. Since 2021, the Federal Aviation Administration (FAA), says there is an average of at least one lithium battery catching fire per week on airplanes in U.S. airspace.

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These fire-containment bags are capable of sealing up an overheating battery-operated device to prevent a midair disaster. “Lithium batteries, which power everyday devices, can catch fire if damaged or if battery terminals are short-circuited,” according to the FAA.

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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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Therefore, it is important to follow the TSA guidelines for travelling with batteries and to pack them properly. In addition to this, the FAA prohibits passengers from packing spare lithium batteries in their checked luggage. If you violate this rule, you could face fines or even criminal charges.

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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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Lithium batteries present a risk of both igniting and fueling fires in aircraft cargo/baggage compartments.

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Spare (uninstalled) lithium metal batteries and lithium ion batteries, portable rechargers, electronic cigarettes and vaping devices are prohibited in checked baggage. They must be carried with the passenger in carry-on baggage.

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Lithium-ion batteries are made out of aluminum, among other metals. So yes, a metal detector would spot these batteries.

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Just remember with lithium ion, you can carry four batteries under 100 watts on the airplane with you. You can't check them if they're loose. You can check them if they're in other devices. You can also take two up to 160 watt or sometimes one 300 watt battery with special permission.

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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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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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Most airlines allow passengers to bring power banks in their carry-on luggage, but not in checked baggage, due to the risk of fire caused by lithium-ion batteries. The capacity of the power bank is also typically limited to 100 watt-hours or 20,000mAh.

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