Who hasn’t run out of power on their iPods or iPhones? The trouble with these extra power packs is that they all look pretty cumbersome and ugly. The Mophie Juice Pack isn’t your usual type of power pack. The Mophie Juice Pack is another one of those mobile battery extenders for your iPhone/iPod. The marketing and product promotions are very slick and well branded. The device itself looks good and not too cumbersome.