Brynford 8800mAh Slim Power Bank is UL Battery Power Bank to meet safety standards, and make customers more comfortable. It has a very large capacity of 8800mah for a quick charge and/or enough power charging multiple devices at once. It includes micro USB input port in addition to the 2 USB output ports for your convenience to charge 3 devices at once. It has an extremely large imprint area which is ideal or a detailed full-color logo.