Personalized Joule Slim Credit Card Sized Power Banks are available in Silver and Black color options. These custom power banks are having a total dimension of 3.4" H X 0.25" W X 2.25" L and their credit card size keeps the user fashionable. Their 2,000 mAh Li-polymer Grade A slim internal battery and 5V/1A USB output can fully charge an iPhone in the same rate as all standard wall chargers. Electronic brands and tech companies can make use of these custom products for their promotions. Order right away to win free professional design and free online proofs facilities! Request a quote to know what you can save on ordering these Personalized Joule Slim Credit Card Sized Power Banks in bulk.