Portable Chargers Become Lead Cause Of Thermal Runaway Incidents

Victoria Moores August 18, 2026
portable charger on suitcase
Credit: Oleksandr Lypa/Alamy
Thermal runaway incidents caused by portable chargers on passenger flights rose by a staggering 42% in 2025, overtaking e-cigarettes as the leading cause, according to the latest full-year report by U.S. safety standards body UL Standards and Engagement (ULSE). In 2025, ULSE recorded a 15% year-over...
Victoria Moores

Victoria Moores joined Air Transport World as our London-based European Editor/Bureau Chief on 18 June 2012. Victoria has nearly 20 years’ aviation industry experience, spanning airline ground operations, analytical, journalism and communications roles.

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