Since their invention of the first automatic scrubber in 1953, Clarke continues to lead the industry in design, development, and production of high quality autoscrubbers. The Clarke CA30 20B 20" Autoscrubber with 105 Ah Batteries and Brush (CLARKE510B) is no exception to this record, with it's unique features and reliable Clarke construction it will help increase productivity and maximize cleaning results. Combining a 20" cleaning path with a long-lasting onboard battery and charger, the CA30 20B increases productivity by reducing the time needed seeking out a wall outlet for charging and the number of passes to clean an area.