What happens when a device nearly every passenger carries onboard a plane erupts in smoke and flames

Video Ad Feedback The FAA demonstrates what happens when a lithium-ion battery overheats and erupts in flames. Pete Muntean reports. 3:36 - Source: CNN

The FAA demonstrates what happens when a lithium-ion battery overheats and erupts in flames. Pete Muntean reports. 3:36 Atlantic City, NJ —

Almost every passenger carries lithium-ion batteries onto airplanes – in their phones, laptops, rechargeable powerpacks and even vapes. And when something goes wrong with one of them, Federal Aviation Administration tests show the results can be catastrophic.

Delta Air Lines Flight 1334 was flying from Atlanta to Fort Lauderdale last month when smoke and flames started pouring out of a backpack. The pilots declared an emergency and diverted to Fort Meyers where the 191 people onboard s