SODIAL(R) Portable USB Emergency AA Battery Powered Charger With Flashlight for Cellphone iPhone iPod MP3/MP4 player Black 2 AA batteries required (not included, best with Polaroid AA batteries) High quality external emergency charger. Easy to use, just plug and charge. Designed with a LED light to work as a torch. Designed with a USB interface, supports all devices that get charged via USB cable, such as MP3/MP4 player, cellphone, iPod, iPhone, etc. Mini size and ultra-light weight, easy to carry around.