#7: [Smallest but Powerful Enough] Portable Charger RAVPower 3350mAh 3rd Gen Luster Mini - External Battery Pack and Power Bank & iSmart for iPhone, iPad, Android and Other Smart Devices - Black

via Amazon.com: Best Sellers in Cell Phones & Accessories > Cell Phone Accessories > Batteries & Battery Packs > Portable Power Banks http://ift.tt/28Ux7BS