This customized production line is mainly used to complete the assembly, testing, and welding functions of the square shell energy storage lithium battery pack module, This semi-automatic line package includes manual feeding, cell scanning, automatic sorting, automatic flipping, automatic gluing, manual stacking, automatic extrusion, manual bundling, manual barcode scanning, binding, automatic polarity detection, automatic pole cleaning, manual placement of busbars, automatic laser welding, manual welding point detection, total pressure internal resistance testing of semi-finished products, manual offline, and automatic up and down reflux of empty trays.