Device for testing aging resistance of battery

The utility model relates to the technical field of testing devices, and discloses a device for testing the aging resistance of a battery, which solves the problems that the heating speed is slow and the heating efficiency is reduced as a battery needs to be heated by sequentially entering a testing frame through a heating channel when the conventional testing device is heated, and comprises a device base, a device body is fixedly installed at the top of the device base, a movable sealing door is movably installed on the surface of the device body, a first pull handle is fixedly installed on the surface of the movable sealing door, a rotary heating assembly is arranged in the device body, and a vertical supporting rod is fixedly installed in the middle of the bottom in the device body. A placement cage is fixedly mounted at the top of the vertical supporting rod, a placement partition plate is fixedly mounted in the middle of the interior of the placement cage, and a movable net door is movably mounted on the