Airlines Tighten Regulations on Power Banks to Combat Lithium Battery Incidents

Airlines are implementing stricter policies concerning power banks following an uptick in incidents where lithium batteries have overheated, leading to dangerous situations.

In January, a serious incident occurred with an Airbus A321 at South Korea's Gimhae International Airport. A fire, initiated by a faulty power bank in an overhead compartment, resulted in the aircraft's destruction. The emergency evacuation involved 176 passengers, of whom 27 sustained injuries. Aviation safety experts have since intensified their focus on similar devices.

Lithium-powered items such as power banks, laptops, and smartphones present significant fire hazards. A phenomenon known as thermal runaway can occur if a battery is damaged or excessively charged, causing the temperature to spike and potentially trigger a fire. After the Busan incident, South Korean authorities banned power banks and e-cigarettes from overhead compartments and prohibited charging them through the plane’s USB ports.

Global Airline Responses and Rising Incidents

Airlines worldwide, including Southwest Airlines, have adopted similar precautions. In May, a battery malfunction forced a Southwest flight to reroute during a trip from Baltimore to Tampa. Although triggered by a singular event, such battery-related problems have been increasing. By mid-December, the FAA confirmed 80 battery incidents in 2025, compared to pre-pandemic figures never exceeding 50 annually.

The proliferation of electronic devices increases these occurrences. However, power banks have become a primary concern due to the influx of poorly manufactured, uncertified models. Consequently, the FAA recommended in September that airlines revise their firefighting protocols and communicate relevant safety information to passengers, ensuring devices are easily accessible and visible to quickly detect any overheating or fire.

Proactive Measures and Safety Procedures

The FAA has documented incidents where airline crews successfully managed overheating devices using containment bags, fire extinguishers, and by submersing devices in water. It is crucial for passengers to maintain visibility of their devices to allow quick response from flight attendants should an issue arise.

Signs of a malfunctioning power bank include swelling, hissing, or unusual chemical odors, and usage should be stopped immediately upon noticing these signs.

Recent Incidents Prompt Further Precautions

Australian airlines are the latest to enact updates, prompted by a fire in a Virgin Australia flight overhead bin, further reinforcing these measures. Meanwhile, in a Qantas lounge in Melbourne, a power bank ignited in a passenger's pocket, leading to an evacuation.

Although Southwest remains the sole major US airline with stringent power bank protocols, there is an evident shift in awareness across the industry. For instance, United Airlines diverted flights when laptops inadvertently fell into inaccessible areas of the plane, as the risk of undetected fires is particularly dangerous over vast stretches like ocean crossings.

Historical Context and Industry Learning

Air travel safety has evolved significantly through regulatory lessons learned over time. A tragic event in 2010 involving UPS Airlines underscored the dangers of lithium batteries when a fire broke out on a Boeing 747 carrying over 80,000 batteries, leading to a fatal crash. This led to comprehensive safety recommendations and tougher guidelines on the transport of lithium batteries in airplanes.

In 2012, the UN's International Civil Aviation Organization prohibited spare lithium batteries in checked luggage, clarifying the inclusion of power banks in these restrictions the following year.

Future Outlook on Airline Safety Measures

Given the FAA's ongoing alerts and power bank combustion incidents, it's anticipated that airlines will continue to impose tighter safety measures and regulations to prevent potential hazards associated with lithium batteries during flights.