Power Core Micro is a flat rectangle, about as wide and deep as the iPhone 5 but a little less than two inches shorter. The top is glossy black plastic, while the the body is matte plastic with a metal bisecting band. Four blue LEDs indicate the power level when you press the power button, located on the end opposite the full- and Micro-USB ports. The unit fits comfortably in the palm of a hand, with a reassuring weight, and a Micro-USB cable is included…