Southwest Airlines unveils new portable charger rule for passenger safety

Southwest Airlines unveils new portable charger rule for passenger safety

New policy to take affect amid concerns about lithium battery fires

Starting May 28, Southwest Airlines is mandating that customers' portable chargers remain visible during flights to enhance safety. (Kevin Carter/Getty Images)

Southwest Airlines has introduced a new rule requiring portable chargers to be visible during flights. (iStock)

Portable chargers or power banks are not allowed in checked bags but can be packed in carry-on bags as they have lithium-ion batteries, according to TSA. (AP Photo/David Zalubowski)