iPhone 4 / 4S Battery Cases
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uNu Exera Modular Battery Case For iPhone 4 & 4S
uNu Exera iPhone 4S battery case is the world first modular battery case which doubles the battery life of your iPhone.$79.95
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uNu DX Protective Battery Case For iPhone 4 & iPhone 4S
Our most popular battery case, the ultra-thin DX battery case for iPhone 4/4s is designed to virtually double the usage time on your iPhone while still offering complete protection from the hazards of everyday life.$49.95 -
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uNu DX Plus Extended Battery Case for iPhone 4 4S
Currently Out of Stock
uNu DX PLUS is designed to provide more than double the battery life to iPhone 4/4S and 2X fast charging speed for heavy iPhone users.$59.95 -
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uNu Exera System - iPhone 4 4S Battery Case & Duo Charging Dock
Designed to be the most comprehensive system for powering the iPhone 4/4S, the Exera System features a stylish case that is fully customizable combined with an ultra-portable hub that provides an unlimited, wireless, power source.$99.95 -
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uNu Enerpak Vault Dual USB 2.1A Universal Battery Pack for Smartphones and Tablets
Massive capacity, dual port & portable design, the most powerful Enerpak$79.95 -
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uNu Enerpak Book Universal Battery Combo Pack for Smartphones & Tablets
The most comprehensive battery combo pack for your USB powered electronics.$64.95 -
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uNu Enerpak Tube Flashlight Universal Battery Pack for Smartphones and Tablets
Featured Product for Special Deal
The ultra portable extended battery pack with built-in LED flash$59.95 -
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uNu Exera Duo Charging Dock with 2x1700mAh Batteries for Exera iPhone 4 Battery Case
The missing piece to the indefinite power for your iPhone 4 & 4S is finally here. The dual charging dock can fully charge up both included batteries and the phones all in one night, and then you are ready to set off with 300% power after such a one night of charging.$39.95 -
