Includes: 831641 - Cloth Bag, 830721 - Static-Free Brush Assembly. Options: 956721 - Batteries (2 required) 12V, 85AH, 957722 - Charger, 24V, 10 amp, 115V, Automatic, 829277 - Paper Insert Bag, 827893 - Nylon Tynex Brush Core - Std. Electric, 830721 - Static-Free Brush Assembly - Std. Battery, 828927 - Static-Free Brush Core.