Southwest Airlines Introduces Stricter Charger Policies

Southwest Airlines is tightening regulations regarding portable chargers, now limiting passengers to one charger per person. Under these new rules, devices cannot be stored in overhead bins due to concerns over potential airborne fires.

The airline, based in Dallas, announced that individuals can bring only one lithium battery charger, which must not exceed 100 watt-hours. Passengers are required to keep their charger either with them or stowed in a bag under their seat.

This shift marks a significant update to airline safety protocols surrounding “power banks,” which have been increasingly associated with in-flight incidents involving smoke and fire.

Dave Hunt, the airline’s vice president of safety and security, mentioned in an internal communication that these updated guidelines, effective April 20, aim to enhance the airline’s capability to “contain and mitigate lithium battery incidents,” particularly focusing on reducing the risk of battery-related fires.

Southwest Airlines plans to inform travelers about the changes at various stages of their journey, including when making reservations, during check-in, as well as through airport signs and in-flight announcements.

In addition, the airline has committed to equipping its entire fleet with in-seat power options by mid-2027, a move intended to provide more in-flight power access and lessen dependence on portable chargers.

According to Hunt, this new policy embodies the airline’s commitment to safety and security and is part of broader efforts to enhance its safety culture while minimizing incidents, damages, and injuries.

Previously, Southwest Airlines required passengers to keep portable chargers visible while in use. This was established to allow flight attendants to quickly spot any overheating equipment before it escalated into an emergency.

Now, with tighter restrictions on how many devices can be brought onboard and where they can be stored, it reflects the aviation industry’s increasing concern over the dangers posed by lithium batteries.

Stephen Arroyo, an aviation safety expert and former United flight commander, supported the new measures as necessary in responding to serious hazards posed by overheating lithium batteries. He commented, “I think this is a step in the right direction… addressing the potential for lithium batteries to overheat and cause thermal runaway.”

Thermal runaway describes a scenario in which a lithium battery overheats and releases flammable gases, leading to an uncontrollable fire, which can reignite even after being extinguished. Arroyo highlighted that such an event is extremely dangerous on a passenger aircraft at cruising altitude.

Recent incidents have demonstrated the urgency of these precautions. In 2016, an American Airlines flight had to divert due to smoke from a power bank that went into thermal runaway. Just weeks later, a Delta Airlines flight faced a similar scare when a battery caught fire in a seat pocket.

There have been cases where onboard incidents have escalated rapidly, such as a 2022 occurrence on an American Airlines flight involving a smoking laptop battery that required immediate intervention. In another instance, a Spirit Airlines flight was diverted after smoke emerged from an overhead bin, leading to a fire when a passenger opened their bag, resulting in injuries from burns and smoke inhalation.

Overall, the tightening of these regulations reflects a proactive stance towards ensuring passenger safety amid growing concerns about the risks associated with lithium batteries in the aviation sector.