Anker is ready to start selling its PowerPort Atom PD 1 charger. Announced first back in October, the little charger will finally go on sale this month and is priced at $29.99. The Atom PD 1 is a really compact USB-C charger. In fact, it's the world's smallest USB-PD charger that is capable of outputting 30W. That's enough to charge any smartphone or tablet that supports the USB-Power Delivery standard and even smaller laptops like the Apple MacBook and the new MacBook Air. The Atom PD 1 uses Gallium nitride (GaN) instead of silicon, which makes it more efficient and also a lot...