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

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.

​ 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. Read More Breaking News, Latest News and Videos | CNN