Kevin Carter/Getty Southwest Airlines is implementing new restrictions surrounding portable ... “In the rare event a lithium battery overheats or catches fire, quick access is critical.

Southwest Airlines is implementing a surprising new restriction on portable chargers to keep these notoriously incendiary devices from bursting into flame mid-flight. Starting May 28, passengers will ...

Southwest announced the new policy that will go into effect May ... risks for UL Standards & Engagement and works with 37 airlines and battery manufacturers to minimize them.