Promising to double the battery life of your iPhone 4, the offGRID
Incipio OffGrid Battery Case
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Incipio announced a backup battery case for the iPhone 4.
“Promising to double the battery life of your iPhone 4, the offGRID is a portable power and case solution all in one. Weighing in at just two ounces and a thickness of only 6mm.” Price: $70 | BUY