Viper Automatic Scrubber AS5160TO 20", orbital head, 16-gallon, traction drive, 130 Ah wet batteries, onboard charger, 31" squeegee assemblyAS5160TO 20", orbital head, 16 gallon, traction drive, 130 Ah wet batteries, onboard charger, 31" squeegee assembly For intensive cleaning or maintaining large coated floor areas, the AS5160TO with an orbital scrub deck ensures multi directional cleaning perfromance with low solution and detergent consumption, and the rectangular deck allows easy access to corners. High capacity 16 gallon solution and recovery tanks On board charger Safety swtiches