Cylinder USB Emergency Charger Bank, a very well built and versatile product which offers some of the great features like 2200A unit, samsung inner core, inner plastic outer metal, 5 extra phone adapters, usb cord, weight 70gram, power supply for iPod, iPhone 4 4s 5 5c 5s, samsung, black berry & other mobile devices to your customers, thereby creating a brand awareness among your customers which will give your company some good marketing exposure with handful amount of facilities.