A battery pack comprising: a plurality of battery modules arranged along at least one direction; a single resistor being connected to a battery module in case of its abnormal operation among the plurality of battery modules to absorb energy; an event detection unit provided to detect the abnormal battery module; a switching module comprising a plurality of switches (S1 to S4) to connect or disconnect each of the plurality of battery modules to/from the resistor to selectively form a closed circuit, wherein the switches are kept in OFF state in normal conditions and selectively work in ON state only when an abnormal event occurs; and a control unit to receive information from the event detection unit and control the switching module to form a current path between the abnormal battery module and the resistor when an abnormal event occurs, characterized by further comprising: partitions arranged in an alternating manner with the plurality of battery modules, wherein the partitions are provided as a cooling plate having a channel along which cooling water flows, and disposed in contact with at least one side of each battery module, wherein the resistor is in contact with the cooling plate that contacts an outermost battery module positioned at the outermost side in an arrangement order, and one surface of the cooling plate that contacts the outermost battery module is in contact with the outermost battery module, and the other surface of the cooling plate is in contact with the resistor. a plurality of battery modules arranged along at least one direction; a single resistor being connected to a battery module in case of its abnormal operation among the plurality of battery modules to absorb energy; an event detection unit provided to detect the abnormal battery module; a switching module comprising a plurality of switches (S1 to S4) to connect or disconnect each of the plurality of battery modules to/from the resistor to selectively form a closed circuit, wherein the switches are kept in OFF state in normal conditions and selectively work in ON state only when an abnormal event occurs; and a control unit to receive information from the event detection unit and control the switching module to form a current path between the abnormal battery module and the resistor when an abnormal event occurs, characterized by further comprising: partitions arranged in an alternating manner with the plurality of battery modules, wherein the partitions are provided as a cooling plate having a channel along which cooling water flows, and disposed in contact with at least one side of each battery module, wherein the resistor is in contact with the cooling plate that contacts an outermost battery module positioned at the outermost side in an arrangement order, and one surface of the cooling plate that contacts the outermost battery module is in contact with the outermost battery module, and the other surface of the cooling plate is in contact with the resistor. partitions arranged in an alternating manner with the plurality of battery modules, wherein the partitions are provided as a cooling plate having a channel along which cooling water flows, and disposed in contact with at least one side of each battery module, wherein the resistor is in contact with the cooling plate that contacts an outermost battery module positioned at the outermost side in an arrangement order, and one surface of the cooling plate that contacts the outermost battery module is in contact with the outermost battery module, and the other surface of the cooling plate is in contact with the resistor.