This up and coming promotional sensation is a full color, two sided, slim 2500mAh portable charger with full color wrapper packaging. It's very versatile - we believe that it can quickly become a sure-fit across all your market segments & demographics. Features: 2500mAh battery, Battery Cell and entire Power Bank are UL Listed 1 x USB Charging Port Full Color Wrapper Packaging MH60964, Model# P07 U.S. Design Patent No. D887,827 Specifications Battery Capacity: 2500mAh DC Input: 5V / 800mA DC Output: 5V / 800mA Charge by USB port in 4+ hours depending on USB port power level Product Size 4.20 x 1.44 x 0.46 Imprint Area 4.20 x 1.44