Dewalt DCB090 12V/20V Max Usb Power Source

INCLUDES:
? Power Source

FEATURES:
? Durable enough to withstand jobsite abuse
? Charge up to 2 small USB compatible electronic devices on/at the jobsite off your 12V or 20V MAX* Batteries when AC power is not available
? Allows you to work with all DEWALT Slide Style battery packs
? Indicates when unit is powered on and ready to charge devices
? Similar to a fuel gauge it indicates the amount of power remaining in the battery

SPECIFICATIONS:
? Voltage: 12V/20V MAX*