This Aluminium 2200 mAh Lithium Portable Power Bank This 3 11/16″ x 13/16″ aluminum device has a rectangular design that packs a big 2200mAh in charging capacity. Includes a USB cord for quick and easy charges. Lithium ion battery. Measuring 3 5/8″ x 7/8″ and available in several colors, this handy item features a 2200 mAh lithium ion grade-A non-recycled battery, a USB output and a micro USB input (cord included). Output: 5 volts/0.8 amps. Your device’s charging cord is required for use. For increased brand exposure on a desirable giveaway, customize with an imprint of your company name and logo.