Mophie ( announced a new battery pack: the US$129.95 juice pack PRO (pictured).

The case packs a 2500 mAh capacity battery, providing users with 150% extra battery for the iPhone 4/4S. In addition, the case boasts an impact and environmental-resistant design that purportedly exceeds military specification MIL-STD 810G, which tests products across a broad range of conditions including altitude, shock, and exposure to high and low temperatures, rain, humidity, sand, dust, and even gunfire vibration.