Never be more than a few feet from a fully-charged device again with this 1800mAh power bank. This 3 1/2″ x 7/8″ aluminum device – which looks very much like a large AA battery – should be able to charge your smartphone from flat, depending upon the capacity of your battery. It comes with a cable that attaches to most Android devices, and come in 10 great colors. In today’s world, this can be an indispensable item and from a branding standpoint it’s not will it be used, but how often by how many different people. Add your business logo or message to turn this into an instantly-recognizable bit of tech branding for your company or organization.