PAXboy
That may be spot on, but equally a lot of medium and long haul aircraft seats can power laptops (e.g. BA WT+, C, F) and others have charging stations in economy.
So the main concern, at least from my perspective, is an in flight fire.
Probably very low probability, but potentially high severity.
2 mins using the Dell link will deal with this risk - did it myself today, my battery is not affected.