Steerable Trackless Transfer Car Free Moving On Cement Floor. Load Weight : 1t-50t; Cart Travel Speed : Up to 25m/min or (plant safety standard) Load Size/Shape : Customer Supplied; Battery Voltage : 24V/36V/48V/72V ; Battery Charger : On board charging; free-floor standing charger; Safety Equipment : lights, E-stop, bumpers and laser,horns