Dual-function integrated constant temperature test chamber, with a large capacity of 500 liters, equipped with 80 testing channels, capable of simultaneously handling multiple input and output signals. It can accommodate 5 layers of pouch cells or cylindrical cells, with each layer capable of accommodating 16 pieces (battery I≤6A).The battery cell tray is made of insulating material, ensuring testing safety, and can be customized according to specific requirements.