But the new Southwest Airlines battery policy changes how you can use your portable charger during flights. To avoid surprises at the gate or in the air, here’s what you need to know about Southwest’s updated battery policy.

A Southwest passenger's "battery charger apparently overheated and began to smoke," the airline said. Quick-thinking flight attendants contained it.

Southwest Airlines is introducing a new rule, requiring passengers to keep power banks and portable charging devices in plain sight while traveling on its planes.

Southwest Airlines is the first of the four biggest U.S. carriers to tighten its rules, citing incidents ... of the Asia Pacific Center for Aviation Safety. They have become a part of everyday ...