The TSA already bans rechargeable and non-rechargeable lithium batteries for phones and laptops from checked baggage.

Southwest Airlines mandates visible portable chargers during flights to enhance safety, addressing risks of thermal runaway in lithium-ion batteries.

Passengers on Southwest Airlines flights will soon be required to keep their portable chargers in plain sight while using them because of concerns about the growing number of lithium battery fires.

Southwest Airlines is implementing a new safety policy, effective May 28, requiring passengers to keep portable phone ...