A battery module comprising: a battery cell assembly including at least two battery cells arranged such that the battery cells are in tight contact with each other or the battery cells are adjacent to each other; a front plate and a rear plate fixed to the battery cell assembly such that the front plate and the rear plate cover outermost ones of the battery cells; an electrically insulative cover member mounted at an upper end of the battery cell assembly, the electrically insulative cover member being provided with through holes, through which electrode terminals of the battery cells extend; a printed circuit board (PCB) mounted on the cover member facing the cell assembly; a plurality of conductive connection parts arranged on the cover member in a state in which the conductive connection parts are mounted at the cover member , the conductive connection parts being connected to the electrode terminals of the battery cells and the PCB to provide electrical connection between the battery cells and the PCB, and a molding part located on the PCB at the cover member facing the cell assembly, the molding part covering the connection between the PCB and the conductive connection parts; and a battery management system (BMS) to control operation of the battery module mounted on the top of the cover member , characterized in that the molding part is made of an insulative resin, the PCB is provided with one or more BMS connection parts , the BMS connection parts protrude upward from the PCB, and the cover member is provided with fastening through holes , through which the BMS connection parts extend such that the BMS connection parts are connected to the BMS . a battery cell assembly including at least two battery cells arranged such that the battery cells are in tight contact with each other or the battery cells are adjacent to each other; a front plate and a rear plate fixed to the battery cell assembly such that the front plate and the rear plate cover outermost ones of the battery cells; an electrically insulative cover member mounted at an upper end of the battery cell assembly, the electrically insulative cover member being provided with through holes, through which electrode terminals of the battery cells extend; a printed circuit board (PCB) mounted on the cover member facing the cell assembly; a plurality of conductive connection parts arranged on the cover member in a state in which the conductive connection parts are mounted at the cover member , the conductive connection parts being connected to the electrode terminals of the battery cells and the PCB to provide electrical connection between the battery cells and the PCB, and a molding part located on the PCB at the cover member facing the cell assembly, the molding part covering the connection between the PCB and the conductive connection parts; and a battery management system (BMS) to control operation of the battery module mounted on the top of the cover member , characterized in that the molding part is made of an insulative resin, the PCB is provided with one or more BMS connection parts , the BMS connection parts protrude upward from the PCB, and the cover member is provided with fastening through holes , through which the BMS connection parts extend such that the BMS connection parts are connected to the BMS . <EOS>