Neewer 2x Portable AA Battery Powered Emergency Charger with Flashlight - Black - For for ANY USB Charging Device - iPhone, iPod, Cell Phone, Mobile Device!! Battery Powered Portable Black USB Charger with Flashlight Compatible with: All digital devices that use USB cable for charging up Color: Black Power Supply: 2 x AA Battery (not included) Input: DC 3V. Output: Max 5V 500mA