| 摘要 |
A first subassembly and a second subassembly each include four thin batteries connected in parallel with positive terminals of the individual thin batteries connected through a positive-side bus bar having a projecting portion and negative terminals of the individual thin batteries connected through a flat negative-side bus bar. The first subassembly is stacked on top of the second subassembly. The projecting portion of the positive-side bus bar at the second subassembly comes into contact with the negative-side bus bar of the first subassembly to achieve a serial connection between the first subassembly and the second subassembly.
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