Mophie Juice Pack Powerstation Pro

Power or recharge your device, even while off the grid, with the rugged Powerstation Pro from Mophie ($TBA). It features a USB and microUSB port and offers 500 mAH, 1AH, and 2.1A charge rates to power devices while on the go. In addtion, the Powersation Pro is built to withstand dirt, sand and water, which makes it the perfect compantion for any outdoor adventure. [source]