摘要 |
<p>A battery module includes a plurality of battery cells aligned in one direction, first and second end plates, the plurality of battery cells being positioned between the first and second end plates, and a top plate covering top surfaces of the battery cells, the top plate including first and second ends connected to the first and second end plates, respectively, via first and second fastening portions, respectively, the first and second fastening portions being different from each other.</p> |