Products Introduce The motor drive trackless transfer trolley is powered by storage battery. The is installed in the motor drive trackless transfer trolley. The storage batteries supplied the electricity to the DC motor through the electrical control system. Use this principle to operate the motor drive trackless transfer trolley to starting, stopping, going forward, going backward, adjusting the speed and so on. Features 1. Battery power supply, operating distance is not restricted. 2. Can directly running on the concrete. 3. Turn to at will. 4. Change direction and route at any time. 5. Full load uninterrupted for 4-5 hours. 6. Simple operation: remote pilot.