| 摘要 |
PROBLEM TO BE SOLVED: To shorten a conductor wire.SOLUTION: In a battery module 20, square type batteries 22 held by a battery holder 21 are arranged in parallel with each other in a thickness direction of the square type battery 22. A first erection bus bar 41 is provided at a positive electrode terminal 24 of the square type battery 22 which is provided at one end when viewed in a parallel arrangement direction of the square type batteries 22. The first erection bus bar 41 includes a cylindrical erection part 42. An extension part 43 extending in a direction perpendicular to an axial direction of the erection part 42 is provided at a first axial end part 42a of the erection part 42. The erection part 42 is erected from the positive electrode terminal 24 of the square type battery 22 in a protruding direction of the positive electrode terminal 24. |
