| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack which realizes cost reduction while aiming at lighter-weight and thinner shape. SOLUTION: The battery pack is provided with a container 2, a battery packed in the container 2, and a circuit board 3 connected with battery. An opening 6 is formed on the surface of the container 2, the circuit board 3 is so formed that thin-film terminal parts 12 facing the outside from the opening 6 on its surface. |
