iSound PowerMax 16,000mAh Backup Battery

The Portable Power Max (16000 mAh) from iSound is a back up battery for your iPod, iPhone, iPad or any other device that charges via USB. This 16000 mAh battery offers up to 480 hours of power for your devices so you can talk, listen to music and watch videos without worrying about running low on power. The unit features five USB ports so you can charge multiple devices at once and the package also includes a USB to mini/micro cable to connect to portable devices like smartphones, MP3 players and digital cameras.