Nobles SCOUT 28 Battery Powered Walk Behind Sweeper clean indoors and outdoors, over hard floors or carpet. With the versatile, battery-powered Scout 28 Clean anytime, even during hours of operation, with the cordless, quiet Scout 28 Straightforward sweeping with the Scout 28’s easy-to-maneuver design, clean sight lines, and side brush 12-volt sealed gel battery standard can reduce the risks of leakage common with other batteries.