According to an embodiment of the present invention, a cell cartridge comprises: a unit cell module which is formed with a plurality of unit cells that generate currents; a plurality of terminal unit modules which are equipped in the unit cell module; a cartridge center in which the unit cell module is accommodated, and which is formed with a plurality of terminal unit module-mounting parts combined with the plurality of terminal unit modules; a voltage detection connector which is equipped in the cartridge center, and receives the currents of the unit cell module in contact with each terminal unit module; and a plurality of nut plates which are coupled with the terminal unit module-mounting parts, and are contacted with the voltage detection connector.
