We’ve Been Putting You on to iPhone Cases for a sec now, the Aigo aiPower i616 claims to “virtually double” battery life, but it’s got another trick up its sleeve: a hidden USB ribbon cable for both charging and data built right into the case….See Details
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If You need a longer sync cable than it provides on its own, there’s also a second microUSB port built into the left side, as well as a switch for the external 1500mAh battery and a handy button to display its current level of charge. a pleasantly comparable 125.8 x 62.6 x 17.25mm, $80 asking price.