If your biggest gripe with your iPhone is lack of battery longevity, then join the club. While we hope the iPhone 4S's battery woes get sorted soon, in the meantime we have an alternative option.
We have found five cases designed for both the iPhone 4 and the 4S -- that will extend the handset's battery life, keeping you connected for longer.
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iPhone 4S Cases: 15 Fresh Designs [PICS]