Right now on Woot.com you can grab this Apple 12W USB Power Adapter for only $9.99. And if you have Amazon Prime it ships for FREE!
Use this compact and convenient USB-based power adapter to charge your iPad, iPhone, iPod at home, on the road, or whenever it’s not connected to a computer. You can connect the adapter directly to your device via a lightning connector cable.
Featuring a compact design, this power adapter offers fast, efficient charging.