Fast Shipping for this UL Listed Ultra Slim Power Bank 5000mah. Advertise your Brand with our popular 5000 mAH Aluminum Powerbank! They come packed with a high-power 5000 mAh battery, ultra slim with light weight ,and charge with the included USB cables. Available in Black & Silver colors, they measure 4 3/8 ” x 2 1/2 ” x 3/8 ” and have a the fittest imprint area of 2 1/2″ x 1 1/2″ for maximum brand exposure. Add your logo and engage with your customers in a whole new way!