| 摘要 |
<p>PROBLEM TO BE SOLVED: To suppress the peeling of a welded portion of a lead plate and the conductive land of a circuit board by a shock when a battery pack is dropped, in the battery pack where a substrate holder, the circuit board, and a cap are mounted on one end face of a battery.SOLUTION: A lead plate 70 is formed by bending a conductive plate into U-shape. The lead plate 70 consists of an electrode connection 71 being welded to the upper end face 10a of a battery 10, a substrate connection 73 being welded to a conductive land 42 on the lower surface of a circuit board 40, and a coupling part 72 erecting and elongating from the rear edge 71a of the electrode connection 71 so as to be coupled with the rear edge 73a of the substrate connection 73. In the way from the rear edge 71a to the rear edge 73a, the coupling part 72 is bent outward in crank shape thus forming a crank 74. The press part 27 in a substrate holder 20 exists just below the crank 74.</p> |
