Function: AC 110V-120V to DC 18V-20V Cord plug adapter for DW 18V/20V tools with continuous power supply. Plug the adapter into an outlet to power your DW tools all the time. Converts AC to dc, plug in for power supply.
Replacement Battery: Plug into the socket to power the tool to replace the following batteries: DCB200 DCB203 DCB204 etc.
All Day Running: You can plug it into a 110V outlet to keep the tool running continuously without worrying about battery power. Use the AC adapter with the power cord for all day running on the DW tool.
Max Power 500W: Supports up to 500W power tools.
Cord: Using a 70 inch cord provides the user with greater maneuverability when in use.