| 摘要 |
<p>A battery device has a flat and cylindrical lithium ion battery and a circuit board located on the side face of the battery. The circuit board and a positive pole is connected by a first connector, and the circuit board and a negative pole is connected by a second connector. The first and the second connector are belt-like bodies with a plurality of cuts being formed in the widthwise direction from the edge. When the connection length between the circuit board and the positive pole or between the circuit board and the negative pole changes, these cuts are opened or closed and, therefore, the change in the connection length is absorbed by the first and the second connector.</p> |
