The Amp Power Bank from AnyPromo is a 2,200 mAh portable USB charger with a premium Li-Ion battery. Available in a wide variety of colors with color imprint or full-color PhotoGrafixx, this battery backup is highly customizable to fit your brand.
The Amp portable USB power supple is a customer-voted "Top 100 item because it provides a lot of perceived value at an affordable price. When you give away a USB portable power bank, the reaction is much different than if you simply gave away a pen. This product is especially great for brand sentiment when recipients see your logo on the device that saves them from a dead phone (and possibly getting stranded).