Stable battery short-circuit test equipment and test method thereof

The invention provides stable battery short-circuit test equipment and a test method thereof, and relates to the technical field of battery short-circuit test. According to the stable battery short-circuit test equipment and the test method thereof, the stable battery short-circuit test equipment comprises a resistance short-circuit box, a relay controller, a parameter analyzer, a tested battery and a current sensor, wherein the resistance short-circuit box is composed of a large-current relay and a large-power resistor with geometric progression resistance; resistance values of the resistanceshort-circuit box are set to be 0.04 m omega, 0.08 m omega, 0.16 m omega, 0.32 m omega, 0.64 m omega, 1.28 m omega, 2.54 m omega and 5.08 m omega respectively, the resistance values are arranged in ageometric progression, a common ratio is 2, and the resistance short-circuit box, the relay controller, the parameter analyzer, the tested battery and the current sensor are connected in parallel through connecting wires. By