| 摘要 |
The present invention relates to a battery pack including a battery module. The battery pack comprises; a battery module wherein a plurality of battery cells or unit modules are connected electrically; a pack terminal which connects a module terminal, which is an anode terminal and a cathode terminal of the battery module to an external device or a charging unit electrically as an external input and output terminal of the battery pack; one or more relays which are located between the module terminal and the pack terminal and apply or prevent the electrical connection between the module terminal and the pack terminal depending on whether the battery module is operated or not; and an operation distinguishing member which is connected between the relay and the pack terminal, is paratactically connected with the battery module and displays the operation of the battery module according to ON/OFF of the relay. The battery pack according to the present invention helps a worker to recognize the operation of the battery module easily thorough a distinguishing member by including the distinguishing member which displays the operation of the battery module. |
