Here's the thing, though: just because your power bank can fully charge your phone battery a couple of times doesn't mean it can also do the same for your laptop. A laptop requires higher specs.

It carries not only data but power—both inbound power to charge your laptop and outgoing power to juice up a phone or other device.

Twentieth Century Fox/Photo Illustration In the memorably atrocious 1980s gruntcore movie "Quest for Fire" — no words were harmed during the making of the film — cavepeople roam around a ...