The Radiant 2,200 mAh Light Up Logo Power Bank contains a 2200 mAh Li-Ion Grade A battery. The 5V/1A USB output means that it charges at the same rate of most wall chargers. Includes a USB to Micro USB connecting cable which can recharge the battery backup or be used to charge up devices with a Micro USB input like Android Smartphones from Samsung(R), Motorola(R), HTC(R), Nokia(R), and others. Our batteries have undergone evaluation for numerous quality standards. Only laser imprint will allow the logo . 0.98" H x 3.74" W x 0.94" L. Imprint area is 0.63" H x 2.50" L on USB Port Right, Button Top -Centered on Front Panel. Please call for rush delivery availability or multi-colour/multi-location imprints.