15 ton remote controlled electric transport flat car The electric flat car can carry a maximum weight of 15 tons (can be customized). It is powered by a battery and can run for 4-5 hours with a full load on a single charge. The electric flat car has two control methods: wireless remote control and wired handle. The 15-ton electric flat car customized by the customer is mainly used in the workshop. Because the line is fixed, the track is laid in advance. Electric flat cars are mainly used for cross-turnover cargo.