The utility model relates to the field of electrical equipment, and discloses a mobile inverter power supply car, which comprises a car body and a handrail, wherein the car body is provided with a chassis, a first, a second and a third protective plates are arranged on the periphery of the chassis, the first protective plate is provided with a coiled pipe, the coiled pipe is provided with a mounting frame, a lighting device is arranged in the mounting frame, a mobile inverter power supply car is provided with an accumulator and an inverter, and a waterproof cover is arranged on the mobile inverter power supply car. The mobile inverter power supply car has the beneficial effects that the accumulator and the inverter area arranged in the mobile inverter power supply car, can supply a necessary power supply device for testing, the lighting device arranged on the electric blanking hopper door device can supply lighting when the electric blanking hopper door device moves, enables users to see clearly road conditions, and the mobile inverter power supply car can conveniently observe indoor situations in indoor testing, and improves flexibility. The mobile inverter power supply car enables the users to conveniently tidy and check tools by arranging a rotating plate and a folding plate, and can be suitable for different external environment by arranging a waterproof cover, thereby improving practicability.