Recharge your mobile devices with the white mophie power boost 5200mAh Dual USB Portable Battery Pack, a compact and portable mobile power solution. This power boost features dual USB charging ports, so you can charge two mobile devices simultaneously. Between both ports, your devices will enjoy up to 3.1A of total power output, but no more than 2.1A of charging power per port. A micro USB cable is included.A rechargeable 5,200mAh universal battery powers virtually any smartphone or tablet.2.1 amp output means fast charging for tablets, smartphones and more.It features a compact and easy-to-carry design.LED battery indicator lets you know the battery's charge level.A micro USB cable is included.