Southwest Airlines is limiting passengers to one lithium portable charger each – “to strengthen our ability to contain and mitigate lithium battery incidents, including reducing the risk of battery fires,” the airline said in a Tuesday statement.
Passengers will also be prohibited from recharging their devices using in-seat power outlets, and the chargers must remain in an under-seat carry-on bag or on their person.
The new policy goes into effect April 20 and will apply across the airline’s network of flights, as company officials noted that the entire fleet would have in-seat power by mid-2027, reducing the need for travelers to bring their own portable chargers.
This is the latest in a series of rules around portable power sources. As the Epoch Times notes, Southwest had already moved earlier to address the same risks. In May 2025, the airline required passengers to keep portable chargers visible while using them, a measure that took effect on May 28 that year. That earlier policy formed part of a broader push to keep potential fire sources in plain sight for quick crew response.
The Federal Aviation Administration (FAA) issued a safety alert in September 2025, warning carriers about lithium batteries stored in passenger compartments. The agency recorded 97 incidents involving smoke, fire, or extreme heat on flights the previous year—up from 89 the year before.
The agency said incidents triggered by lithium-ion batteries are now, on average, a weekly occurrence at roughly 1.3 incidents per week. Since 2015, the number of such events has increased by more than 330 percent.
Between March 3, 2006, and March 7, 2026, a total of 709 lithium battery incidents have been recorded, with the majority of cases coming from passenger carriers.
Battery packs and batteries accounted for the bulk of these incidents, with 229 events, followed by e-cigarettes/vape devices, with 122, cell phones, with 81, laptops, with 70, and the rest involving other electronic and medical devices.
On Nov. 5, 2025, a smoke detector alarm from the lavatory of a United Airlines flight departing from San Francisco went off.
“Flight attendants found a passenger in the lavatory who stated their laptop began to overheat. A flight attendant placed the laptop in a thermal containment bag, and the aircraft continued to its destination without further incident,” the FAA said.
Earlier, on Oct. 5, 2025, a passenger’s carry-on bag caught fire during the boarding process in Buffalo, New York, with lithium batteries being the culprit. Passengers were removed from the aircraft, while the fire was extinguished and the batteries were taken out of the plane.
Lithium cells power everything from phones to laptops to the chargers now limited by Southwest. When damaged, overcharged, or exposed to heat, they can ignite in ways difficult to extinguish mid-flight.
Naveen Athrappully contributed to this report.
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