Certified Refurb Anker 621 5,000mAh Magnetic Portable Charger for $18 + free shipping

This certified refurbished Anker 621 charger is just $18 today at eBay, which is a nice price seeing as you'd pay $31 for a brand-new one at Amazon. It ships for free, comes with a 2-year Allstate warranty, and qualifies for free 30-day returns. Buy Now at eBay