The battery-powered 20″ walk-behind scrubber is a perfect fit for contract cleaners, retail, school and healthcare cleaning needs. The easy-to-operate auto-scrubber provides a practical cleaning performance of 13,200 ft2/hour. The BD 50/50 C Bp Classic features (2) 12V, 100 Ah AGM batteries with shelf charger, 20″ pad driver, curved squeegee, Home Base rail system, and battery level and hour display. 3 modes of cleaning: Normal mode – Scrubbing and vacuuming. Intense mode – Scrubbing only. Vacuum mode – Vacuum only. Home Base rail allows user to attach manual cleaning tools for quick touch-ups and fewer visits to the supply closet. Productive. Efficient and simple to operate.