Never be without power for your Tablet or Smartphone with the very latest in Power Banks available in a range of mAh power outputs. The higher the output the faster the charge rate. Choose a higher rate of mAh for use on tablets. These emergency battery chargers can be charged via a USB cable. These portable power banks are perfect when you are away on your travels or not near to a charging point. Colourfull designs and colours will compliment any corporate identity.