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Travelers will soon face tighter restrictions on portable chargers as Southwest Airlines implements a new policy limiting passengers to just one power bank per person during flights, part of an industry-wide effort to reduce the risk of lithium battery fires aboard aircraft.
Starting April 20, Southwest passengers will be restricted to carrying a single portable charger, which must not be placed in overhead bins or checked luggage. The airline currently requires passengers to keep chargers visible while in use, allowing flight attendants to respond quickly if devices begin to overheat.
Southwest’s new regulation exceeds the International Civil Aviation Organization’s recent recommendation of a two-charger limit per passenger. Rather than aggressively enforcing the policy through searches and confiscations, the airline plans to emphasize education, alerting travelers during booking and at airports about the potential dangers these devices present.
“A huge part of the concern here is seeing that number of incidents continue to increase, correlating, of course, to the number of devices that people are bringing on planes,” said Jeff Marootian, CEO of UL Standards & Engagement, the organization that establishes guidelines for electronic device manufacturers.
The Federal Aviation Administration has reported a steady rise in lithium battery incidents, which reached 97 cases in 2025. This increase corresponds with the proliferation of rechargeable devices, including smartphones, tablets, laptops, and portable chargers. Marootian noted that his organization now receives reports of approximately two incidents weekly, with a 42% increase in portable charger-related incidents in 2025 alone.
One particularly alarming incident occurred in January 2025, when a lithium battery fire aboard an Air Busan plane in South Korea forced the evacuation of 176 people before burning through the aircraft’s roof. The severity of this event underscores the potentially catastrophic consequences of battery fires in confined aircraft spaces.
Flight attendants are equipped with fire-resistant bags and insulated gloves to contain overheating devices, but prevention remains the preferred approach. According to Southwest’s Vice President of Safety and Security Dave Hunt, the new rule will “strengthen our ability to contain and mitigate lithium battery incidents, including reducing the risk of battery fires.”
To ease the transition for passengers who rely on portable power, Southwest has committed to equipping all its aircraft with in-seat power outlets by mid-2027, providing travelers with alternatives to portable chargers.
Aviation safety expert Steve Arroyo, a former United Airlines pilot with 37 years of experience, views Southwest’s policy as a positive step toward risk reduction. Despite the relatively low number of incidents compared to the approximately 100,000 daily global flights, Arroyo emphasized the potential severity of battery fires: “It can turn into something very serious very quickly.”
The aviation industry’s concern about lithium battery fires reflects the broader challenge of balancing passenger convenience with safety priorities. As travelers increasingly rely on multiple electronic devices, airlines must adapt their policies to mitigate emerging risks.
Industry experts suggest that many travelers remain unaware of the hazards associated with lithium batteries, particularly when damaged or improperly stored. Education campaigns may play a crucial role in helping passengers understand why these restrictions are necessary.
Other airlines are monitoring Southwest’s approach and may implement similar restrictions if the policy proves effective. The trend toward limiting portable chargers represents just one aspect of the industry’s ongoing efforts to address lithium battery risks, which may eventually include stricter manufacturing standards and improved detection methods for potentially dangerous devices.
For now, travelers planning to fly Southwest should prepare for the one-charger limit and consider how to manage device power during longer flights, especially until in-seat power becomes universally available across the airline’s fleet.
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6 Comments
Interesting policy change by Southwest to limit portable chargers. Lithium battery fires are a serious risk on planes, so some restrictions make sense to enhance safety. Though it may be an inconvenience for some passengers, it’s better to be proactive than have a major incident.
The lithium battery fire risk on planes is no joke. I’m glad to see Southwest taking proactive steps to address this issue, even if it means a bit more hassle for passengers. Safety should always come first when it comes to air travel.
I’m curious to see if other airlines follow suit with similar policies. Lithium battery technology has come a long way, but the fire risk is still real. Kudos to Southwest for getting ahead of this issue proactively. Safety should be the top priority for air travel.
This new Southwest policy reflects the growing concerns around lithium battery safety on planes. While it may be inconvenient for some passengers, I think it’s a prudent move to limit these devices and reduce the chances of an in-flight fire. Hopefully other airlines will adopt similar measures.
Hmm, this is an interesting development. As someone who often relies on portable chargers when traveling, I can see both sides of the issue. Safety has to come first, but it may be frustrating for passengers to be limited to just one power bank. I wonder how strictly this policy will be enforced.
As someone who travels frequently, I understand the need to balance passenger convenience with safety concerns. Lithium battery fires can be extremely dangerous in an aircraft, so I appreciate Southwest taking steps to mitigate that risk, even if it means I can only bring one power bank.