The equipment can meet the direct cooling/direct heating for battery pack and vehicle testing and testing. This equipment is mainly used for cooling and heating capacity testing. It uses variable frequency compressor with adjustable output; variable frequency fan with adjustable speed and heat dissipation; with high-precision temperature, pressure, flow sensors and built-in software, it can calculate heat exchange capacity in real time, automatically recycle and refill refrigerators, etc. It can meet the needs of battery packs of different sizes.