From the manufacturer

The BLACK+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 minutes of runtime allows you to complete a variety of tasks. Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18. Includes: (1) LSW321 20V MAX POWERBOOST Cordless Sweeper (1) LBXR2020 20V MAX Lithium Ion Extended Runtime Battery (1) Charger (1) Blow Tube. Do not store or use the tool and battery pack in locations where the temperature may reach or exceed 105°F (40 ̊C) (such as outside sheds or metal buildings in summer).


BLACK+DECKER 20V MAX* Cordless Hard-Surface Sweeper with POWERCOMMANED Power Boost (LSW321)

Even the most stubborn debris is no match for this 20V MAX* cordless sweeper. Air speeds up to 130 mph and an airflow rate up to 100 cfm easily clear decks, patios, driveways, and all your hard surfaces, while POWERBOOST provides extra blowing power for tougher debris. The lightweight, low-noise design makes it easy on your muscles and your ears. 

*Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18 volts.

Powerful air speed and airflow - promise quick, efficient clearing of hard surfaces 

Powerful air speed and airflow - promise quick, efficient clearing of hard surfaces

Air speeds up to 130 mph and airflow up to 100 cfm let you easily clear dirt and debris off of hard surfaces like decks, driveways, and patios. 

Features and Benefits of the BLACK+DECKER 20V MAX* Cordless Hard-Surface Sweeper with POWERCOMMANED Power Boost 

Quiet operation

Impressive runtime

POWERBOOST

Quiet operation 

Keeps noise to a minimum while blowing away debris. 

Impressive runtime 

A single charge of the 20V MAX* lithium ion battery delivers up to 25 minutes of runtime. 

*Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18 volts.

POWERBOOST 

Provides added power for clearing away stubborn debris. 

20V MAX* POWERCONNECT Battery System - Interchangeable Cordless Battery 

20V MAX* PowerConnect Battery System - Interchangeable Cordless Battery

The 20V MAX* POWERCONNECT BATTERY SYSTEM is an interchangeable battery system. You can use one battery for multiple different tools within the BLACK+DECKER family of products.