Mobile power supply discharge detection device

The invention belongs to the technical field of mobile power supply detection, and particularly relates to a mobile power supply discharge detection device which comprises a machine body, an operation table is assembled on one side of the machine body, a plurality of test cavities are assembled on the machine body from left to right, and contact mechanisms are arranged on the inner walls of the left side and the right side of each test cavity and comprise mounting grooves formed in the inner walls of the test cavities. Fire extinguishing eruption assemblies are assembled in the multiple conveying rollers and comprise inner cavities formed in the conveying rollers, sealing blocks are assembled in the inner cavities in a sliding and sealing mode, alcohol is assembled between the sides, away from the supporting strips, of the sealing blocks and the inner walls of the inner cavities, and carbon dioxide is assembled between the sides, close to the supporting strips, of the sealing blocks and the inner walls of the