Just Mobile has announced its new Gum battery pack for the iPhone, iPod, and other USB charging devices. Not to be confused with the company’s original, plastic Gum, this new model features a compact design, an aluminum shell, a 2,200 mAh battery with 1A output, three LED power indicators, and an included travel pouch, micro USB to USB cable, and micro USB to Apple Dock Connector adapter. Just Mobile’s new Gum battery pack for the iPhone and iPod is available now in silver, red, or black, and sells for $50.