Secondary battery module and end-plate

The present invention is to minimize the bending strain and is easy to manufacture by improving the structure of the end plate, the plurality of unit batteries are positioned in the cell aggregates are stacked arrangement, the outermost of the cell assembly for fixing the battery assembly includes a pair of end plates, the end plate provides a secondary battery module including gokpan wrinkles formed along one direction on the surface. End plate, gokpan, flat, wrinkled, connecting rod