Last year, Anker's PowerPort Atom portable wall charger kicked off the gallium nitride revolution, and now lots of chargers have replaced silicon components with the more heat and space-efficient material.

The result? Tiny chargers that are easy to travel with that can nonetheless charge things as big as laptops with ease.

Now, you can get the 30 watt PowerPort Atom that started it all for the lowest price ever of $21. It'll quickly charge anything that can charge over USB-C, including phones (you'll need a cable like this one if you use an iPhone), tablets, Nintendo Switches, and yes, even laptops.

Anker PowerPort Atom | $21 | Normally $30-$33