Quickly clean big spaces with less empty/fill cycles with the huge solution and recovery tanks. Available in disk and cylindrical. Available with FaST®. Just scrubbed floors are immediately dry and safe with FaST®. Also available with echo™ technology. You control how deep you clean with variable down pressure and solution flows. Operator stays comfortable with height adjustable console. (4) 6V, 235 AH batteries/up to 5 hours. 22.5 gallon solution tank capacity.