Unlike most battery cases, Power Spring 5 is only as tall as the iPhone 5 itself. The plastic has a very nice finish comparable to Juice Pack cases we’ve seen from Mophie; although it is available in black and white, our review unit came in a blue-tinted grey and felt quite nice. At less than 0.6” thick, it’s the same thickness as Juice Pack Helium, yet boasts almost 50{813a954d5e225a1509f22204ece89c855080ce25555f20805f61bed63cbfde3b} greater power capacity. Unfortunately, the design of the case…