For many travelers, that’s when portable battery packs or portable chargers can save the day. Now passengers flying with Southwest Airlines will be required to keep these kinds of chargers visible, if they are using them mid-flight — a move aimed at ...

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.

According to data collected by the Federal Aviation Administration, there have been at least 22 incidents related to air travel this year involving lithium batteries, some of which have resulted in fi...