Mobile phones a necessity throughout the sphere to stay in touch with family, business associates, and access to emails that means in this Era of social Networking nobody can take a moment off of it so that for sure that you need a battery of large capacity so It doesnâ??t die while youâ??re dealing with someone special on it. Then our promotional power bank can bring the power that you require with the capacity of 1600mAh. It is Ultra-light weight with 30*50mm light injection display. This promotional power bank is printable on its front. An attractive logo can be printed to light up in full color to let people know about your company's name. The Pocket Sized Battery power bank with your logo on it is an intelligent act in my opinion for branding. You can find this promotional power bank in different colors with an optional plastic packing.