Card mobile power bank

Ultra slim and compact, the 5,200 mAh Li-Polymer Samsun g battery device is compatible with most devices including iPhone, Andriod OS smartphones, Blackber ry and other USB devices
The Zoom Energy Slim Micro includes a built in Mirco USB charging cable with a 1 Amp output and a second USB port with a 2.4 Amp output to charge a second device
The second USB port is the port needed to charge an iPhone with your own charging cable