Key Points
- Ban Background: TSA had previously completely prohibited lithium batteries in checked baggage because of multiple fire and explosion incidents. Since 2016, e-cigarettes have also been included in the “Final Rule,” treated the same as traditional cigarettes, with their use completely banned on airplanes.
- Passenger Confusion: Many travelers, having mistakenly packed e-cigarettes in checked luggage, have sought help online, worried about whether their baggage or devices would be confiscated. TSA stressed that the main hazard lies in the high temperatures inside the cargo hold; if lithium batteries short-circuit, they may trigger thermal runaway and cause fires that are difficult to extinguish.
- Safety Risks: Lithium battery fires are self-sustaining and can quickly ignite surrounding objects, creating severe threats. Therefore, e-cigarettes and related devices can only be carried in hand luggage, and they must comply with battery wattage limits.
According to a report from the-sun.com on August 19, the U.S. Transportation Security Administration (TSA) recently reiterated that e-cigarettes and other electronic smoking devices are prohibited in checked luggage. The power source of such devices, lithium-ion batteries, presents significant fire and explosion risks and has therefore been completely banned from the aircraft hold. This regulation applies not only to U.S. domestic flights but also to international routes.
TSA stated that, just like traditional cigarettes, e-cigarettes are strictly prohibited for use on airplanes. “Passengers should never use their vapes or e-cigarettes on an aircraft. This is not only dangerous but also a federal crime,” the TSA emphasized in its announcement. In fact, as early as 2016, the U.S. Department of Transportation had already introduced the “Final Rule,” clearly including e-cigarettes in the scope of the ban to prevent passengers from being exposed to aerosols during flights and to protect public health.
However, the ban has caused confusion during enforcement. Many passengers have posted online, saying they accidentally left e-cigarettes in checked luggage and were unsure if this would affect their flight or baggage delivery. In response, frequent travelers explained that the real hazard lies in the extreme temperature conditions in cargo holds. If a lithium battery is damaged or short-circuits, it could trigger a fire that is very difficult to extinguish. Lithium battery fires exhibit a “thermal runaway” characteristic, meaning they can sustain themselves and ignite surrounding materials.
Although some passengers reported that their vapes had not caused problems when packed in checked luggage, TSA once again stressed that all electronic smoking devices must be carried in hand luggage and must comply with battery wattage restrictions. The agency reminded the public to strictly follow aviation safety regulations to ensure flight safety.
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