Black & Decker 130 MPH 80 CFM 20V MAX Lithium-Ion Cordless BlowerEfficient design easily clears debris from hard surfaces like patios, decks, walks, drives, and garages. The power of its 20V MAX lithium ion battery provides longer battery life year after year. Lightweight at just 3. 7 lb., the hard surfaces sweeper is easy to handle and won't twist the wrist. Built in scraper helps loosen wet leaves from surface. Quiet design. Soft grip handle provides added comfort during use. Run time: 12 minutes, charge time: 7.