BATTERY MODULE FOR ENERGY STORAGE DEVICE

A battery module comprises: battery cells which are arranged in one direction and electrically connected to each other via bus bars and each of which has a positive terminal and a negative terminal; a cover member which includes a front cover disposed on the front surface of the battery cells, a rear cover disposed on the rear surface of the battery cells, an upper cover for covering the upper surface of the battery cells, and a lower cover for covering the lower surface of the battery cells; a pair of connection parts which are electrically connected to the bus bars and disposed to be positioned on the rear cover side so as to be electrically connected to the outside; and an insulation cover which is disposed between the upper cover and the upper surface of the battery cells to block physical contact between the bus bars.