PRESTO PowerStak Fully Powered Counterweight Stacker is ideal for areas where straddle legs might interfere with operation. Fully powered lift and wheels. Lifts loads 3.3" per second. 3"W forks adjust from 6 1/4–23 1/2" wide. 15" load center. 24-volt, DC motor. Two 12-volt batteries with built-in 115-volt charger. Two 10" rear wheels; two 6-1/4" front wheels. Limited two-year warranty.