The MCclean+ M510 Automatic Scrubber features two 100Ah batteries for industrial-grade cleaning. The MCclean+ M510 Automatic Floor Scrubber provides superior cleaning results for heavy-duty scrubbing and cleaning applications. The rotationally molded polyethylene housing is corrosion and impact resistant. Powered by a 550W motor that spins at 175 RPM. Low maintenance with large solution and recovery tanks. Includes heavy duty cast aluminum scraper assembly. 20 inch scrubber with 55L solution and 60L recovery tank. Includes two 12V batteries with a run time of 3 hours per charge.