Emtec Power Connect review: Great external battery, so-so storage performance

Although recent iPhone models have grown in size, Apple has worked hard to maintain a slender appearance, often at the expense of battery life. As a result, an entire cottage industry has developed for external battery packs capable of charging devices while on the go—but at least one of them can do a few other tricks as well.Power in the pocketMeasuring 78 x 70 x 23 mm and weighing a hair over five ounces, the Emtec Power Connect U800 is a small, pocket-friendly block of dark grey plasti