Mophie has debuted its new Powerstation mini and Powerstation duo battery packs for the iPhone, iPad, iPod, and other portable devices. The Powerstation mini offers a 2500 mAh battery inside a small black and silver enclosure, as well as a single USB port for charging devices and a 1 Amp output. It is priced at $60. The Powerstation duo greatly resembles the mini, but sports a 6000 mAh battery, two USB ports for simultaneous charging of two devices, and 2.1 Amp output for fast charging of the iPad. It is priced at $100; both are available now.