The BLACK Plus DECKER LSW321 20V MAX Lithium POWERBOOST Sweeper is part of the 20V MAX System; 1 System - Endless Tasks. Power for your Style. This is ideal for clearing driveways, sidewalks, decks, garages and other hard surfaces of leaves, grass clippings, and other lawn debris. This sweeper features POWERBOOST to increase power, up to 130 MPH sweeper easily clears debris from hard surfaces like driveways, decks, and garages. The premium micro texture soft grip provides comfort and control while using the tool, and a low noise design allows for quiet operation. This unit offers up to 25-Minute of runtime allows you to complete a variety of tasks. Maximum initial battery voltage (measured without a workload) is 20 votes. Nominal voltage is 18. ludes: (1) LSW321 20V MAX POWERBOOST Cordless Sweeper (1) LBXR2020 20V MAX Lithium Ion Extended Runtime Battery (1) Charger (1) Blow Tube.