B50 Walk behind floor scrubber's clean efficency is 2200㎡/hour, with 24V100Ah battery power supply.The brush tray is 530mm,suction absorbien width is 780mm.It is sustained 2-3hours working time.The capacity of the clean water tank is 55L and the capacity of the sewage tank is 60L,which is suitable for shopping malls,supermarket, packing lot, factories, playground etc.