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

Southwest Airlines is introducing a new battery policy in its cabins starting next week, which will require passengers to keep portable chargers visible when they're in use onboard.

Southwest Airlines enforces a new policy requiring portable chargers to be kept in plain sight during flights to address growing concerns over lithium-ion battery fires.

Southwest Airlines enforces a new policy requiring portable chargers to be kept in plain sight during flights to address growing concerns over lithium-ion battery fires.

Southwest Airlines enforces a new policy requiring portable chargers to be kept in plain sight during flights to address growing concerns over lithium-ion battery fires.

Southwest Airlines enforces a new policy requiring portable chargers to be kept in plain sight during flights to address growing concerns over lithium-ion battery fires.

Southwest Airlines enforces a new policy requiring portable chargers to be kept in plain sight during flights to address growing concerns over lithium-ion battery fires.

Southwest Airlines enforces a new policy requiring portable chargers to be kept in plain sight during flights to address growing concerns over lithium-ion battery fires.

Southwest Airlines enforces a new policy requiring portable chargers to be kept in plain sight during flights to address growing concerns over lithium-ion battery fires.

Under a new policy taking effect Wednesday, May 28, Southwest Airlines will be the first domestic carrier requiring passengers to have portable battery chargers visible while in use.

Southwest Airlines enforces a new policy requiring portable chargers to be kept in plain sight during flights to address growing concerns over lithium-ion battery fires.