Both models are exactly the same size—just a bit bigger than an iPhone—differing only in the cell inside and the color of their plastic shells. They have a soft touch finish and feel surprisingly light and hollow; if the larger battery is heavier, it’s an imperceptible difference. Monoprice located all of the I/O on one of the box’s short edges. There is a Micro-USB input as well one each of full-sized 1A and 2.1A outputs.…
