摘要 |
A battery block includes a metal case including a side surface and a bottom surface, and a plurality of cells accommodated in the metal case, wherein each cell includes a first electrode and a second electrode which is electrically insulated from the first electrode, and also serves as a cell case of the cell, the plurality of cells are aligned with the first electrodes being in a same direction, the first electrodes of the plurality of cells are connected to a connector arranged to face an opening of the metal case, the second electrodes of the plurality of cells are connected to the bottom surface of the metal case, the height of the side surface of the metal case is substantially the same as the height of the cells, and the opening of the metal case is almost completely covered with the connector. |