Description Power electronic devices on and off the jobsite with the DCB090 12V/20V MAX* USB Power Source. Featuring extreme durability and (2) USB ports for simultaneous charging, this product is essential for long days on job.Durable enough to withstand job-site abuseCharge up to 2 small USB compatible electronic devices on/at the job site off your 12V or 20V MAX* Batteries when AC power is not availableAllows you to work with all DEWALT slide style battery packsIndicates when unit is powered on and ready to charge devicesSimilar to a fuel gauge, it indicates the amount of power remaining in the batteryIncludes(1) 12V/20V MAX* USB Power Source With State of Charge Indicator