The credit card powerbank is a 1500 mah power bank the size of a credit card that can conveniently charge all smartphones and tablets wherever you are the compact sized copper coloured gadget can be charged via a usb cable and will conveniently fit into a wallet or purse allowing you to boost your phones power by up to 80 features credit card powerbank copper 1500mah conveniently fits into a wallet or purse charge your phone whenever you need to