BATTERY MODULE

According to one embodiment, a battery module includes, battery cells including an electrode group including an anode, a cathode, and a separator interposed between the anode and the cathode, a terminal electrically connected to the electrode group, and a packaging member which contains the electrode group and through which the terminal is extracted outside from inside a container portion, a bus bar configured to electrically connect the terminals of the battery cells, a heat storage unit containing a latent heat storage material, and an electric insulating sheet configured to thermally connect the bus bar and the heat storage unit.