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Following months of unexpected silence, Mophie has finally announced its first iPhone 5 battery case, Juice Pack Helium ($80). Initially available in two colors, the new Juice Pack Helium looks extremely similar to the company’s earlier versions for iPhones, emphasizing thinness over raw battery capacity. Still sporting a curved rear surface with button access holes and bottom pass-throughs for speakerphone functionality, the case offers iPhone…
