Desertoasis International Marketing via Amazon offers Prime members the Pow'R-Up Chargie 3,000mAh Mobile Power Bank in seven colors (Black pictured) for $15.95. Coupon code "9HZI6Z2J" cuts it to $5.95. Plus, Prime members qualify for free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $6.14.) That's $64 off and the lowest price we could find. It features an LED indicator, microUSB charging cable, five attachments (including one for Lightning connectors), and travel pouch.