Anker PowerDrive 2 — 24W Dual-USB Car Charger — Tools and Toys
toolsandtoys.net/anker-powerdrive-2-24w-dual-usb-car-charger
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Speaking of cars and charging, if you need the ability to charge multiple devices while driving but don’t need a whole jump starter to get the job done, the Anker PowerDrive 2 is where it’s at.