A battery module , comprising: a plurality of battery cells stacked to be electrically connected to each other; a plurality of cell cartridges configured to cover protruding portions of a pair of electrode leads of the plurality of battery cells and arranged along a stacking direction of the plurality of battery cells ; and a plurality of block bus bars respectively provided to the plurality of cell cartridges and respectively electrically connected to the electrode leads , the plurality of block bus bars having a guide coupling formed on at least one side thereof to protrude along the stacking direction, wherein the plurality of block bus bars are formed in a predetermined length along a longitudinal direction of the plurality of cell cartridges , and wherein the guide coupling is provided to one end of the plurality of block bus bars , wherein when the plurality of cell cartridges are stacked, the guide coupling is coupled to a guide coupling of a facing block bus bar in the stacking direction, wherein the guide couplings of the plurality of block bus bars include: a male coupling configured to protrude to one side in the stacking direction; and a female coupling configured to protrude to the other side in the stacking direction to be coupled to the male coupling , and wherein the guide couplings of the plurality of block bus bars further include a bi-coupling configured to protrude to both sides in the stacking direction and connected to an external power source. a plurality of battery cells stacked to be electrically connected to each other; a plurality of cell cartridges configured to cover protruding portions of a pair of electrode leads of the plurality of battery cells and arranged along a stacking direction of the plurality of battery cells ; and a plurality of block bus bars respectively provided to the plurality of cell cartridges and respectively electrically connected to the electrode leads , the plurality of block bus bars having a guide coupling formed on at least one side thereof to protrude along the stacking direction, wherein the plurality of block bus bars are formed in a predetermined length along a longitudinal direction of the plurality of cell cartridges , and wherein the guide coupling is provided to one end of the plurality of block bus bars , wherein when the plurality of cell cartridges are stacked, the guide coupling is coupled to a guide coupling of a facing block bus bar in the stacking direction, wherein the guide couplings of the plurality of block bus bars include: a male coupling configured to protrude to one side in the stacking direction; and a female coupling configured to protrude to the other side in the stacking direction to be coupled to the male coupling , and wherein the guide couplings of the plurality of block bus bars further include a bi-coupling configured to protrude to both sides in the stacking direction and connected to an external power source. a male coupling configured to protrude to one side in the stacking direction; and a female coupling configured to protrude to the other side in the stacking direction to be coupled to the male coupling , and wherein the guide couplings of the plurality of block bus bars further include a bi-coupling configured to protrude to both sides in the stacking direction and connected to an external power source. <EOS>