| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve heat radiation performance of a battery module.SOLUTION: A battery pack 30 includes a counter weight 31. The counter weight 31 includes a weight body 32 extending in a vertical direction. Plate members 38, 39, 40 functioning as well-thermal conduction parts are provided on a surface 32a of the weight body 32 when viewed in a thickness direction. A battery module 50 is provided contacting with the plate members 38, 39, 40 and are placed on a bottom part 33, a first protruding part 34, and a second protruding part 35 which protrude from the weight body 32.</p> |
