Aten GearPower Mobile Power Station

Featuring a USB 1A charging output with 2,4000mAh capacity you can fast-charge nearly any smartphone or MP3 player back to full capacity with power to spare!
The GMP2K serves both as a battery extender to your power hungry mobile devices, also a battery charger when conventional AC outlets are not available. It is compatible with most smartphones such as iPhones, as well as MP3 Players, handheld gaming systems, etc.
This stylish battery can go anywhere with you. Don't let power hungry apps keep you from using your smartphone to the max when a conventional A/C wall outlet is not available.