DEWALT 20 Volt Max Power Source Adapter Lumber and Composites The Ultra Electric 12 Amp The Ultra Electric 12 Amp Blower Vacuum Mulcher delivers all the power and versatility you need to tackle yard clean up chores Can be painted to help suit your existing location Durable enough to withstand jobsite abuse Charge up to 2 small USB compatible electronic devices on at the jobsite off your 12 V or 20 V 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