<p>A cell module is provided with: a first cell stack and a second cell stack each having a plurality of secondary cells, the first cell stack having an end adjacent to the second cell stack, and the second cell stack having an end adjacent to the first cell stack; a first bracket provided at the end of the first cell stack; and a second bracket provided at the end of the second cell stack and having the same shape as the first bracket. Each of the first bracket and the second bracket has a plurality of insertion protrusions and a plurality of receiving recesses that are alternately disposed. One of the insertion protrusions of the second bracket is inserted into the receiving recess formed between adjacent two of the insertion protrusions of the first bracket.</p>
