BATTERY PACK

A battery pack includes a plurality of cells, a plurality of heat releasing members, and a restraining unit. Each of the plurality of cells includes a pair of planar portions opposed to each other, and the plurality of cells are arranged such that planar portions of each adjacent pair of the cells are in a face-to-face relationship. The plurality of heat releasing members are disposed intermittently between adjacent pairs of cells along a direction in which the plurality of cells are arranged, and each of the plurality of heat releasing members juts out from the planar portions of the adjacent cells in regions where the plurality of heat releasing members are disposed. The restraining unit includes a pair of restraining members and a support member supporting the pair of restraining members, the pair of restraining members restraining opposite ends of the plurality of cells arranged with the plurality of heat releasing members interposed.