If you’re looking to keep your iPhone 4 or 4S charged up and well protected all at the same time you may want to check out the Mophie Juice Pack PRO.
The new ruggedized back-up battery and case holds an extra 2,500mAh of power, giving 150% of a full iPhone charge – the highest capacity battery case that Mophie currently offers. An exterior LED indicator shows you the battery’s current charge, and the standby option saves your power for when you most need it. But the company is really promoting the protective qualities of the case, touting that it exceeds US military specifications for impact protection and dust/sand penetration.
The Mophie Juice Pack PRO is available from the Mophie site for $129.95 with world wide shipping.