Having already given the NuCharge iPhone 5 battery case from London-based iKit the once-over, we’ve yet another exciting product with a similar aim – to offer your Apple-designed smartphone an extension on the quoted battery life. As previously explored in that NuCharge review, we smartphone users can never have too much battery, and although the 1,440 mAh offered by Apple is adequate for many, having a backup to call upon is always mindful practice. Thus, here we are again, mulling over another battery pack by popular manufacturer PowerSkin.