A wireless battery control system for a battery pack including first to N th battery modules (20_1∼20_N), the wireless battery control system comprising: a master management module ; and first to N th slave management modules (200_1∼200_N) configured to monitor a state of each of the first to N th battery modules (20_1~20_N), wherein the first to N th slave management modules (200_1∼200_N) are sequentially positioned so that distances from the master management module are different from each other, characterized in that , when the master management module enters an ID assignment mode, the master management module is configured to initialize an operation count, and configured to wirelessly transmit a preparation signal, wherein, when each slave management module (200_1∼200_N) wirelessly receives the preparation signal from the master management module or other slave management module (200_1~200_N) during operation in a standby mode, each slave management module (200_1∼200_N) is configured to wirelessly transmit Received Signal Strength Indicator (RSSI) of the preparation signal to the master management module , wherein the master management module is configured to wirelessly transmit an ID associated with the operation count to one of the first to N th slave management modules (200_1∼200_N) having wirelessly transmitted a maximum RSSI among the RSSIs of the preparation signal, wherein each slave management module (200_1~200_N) is configured to wirelessly transmit the preparation signal in place of a master management module and configured to terminate the standby mode, in response to receiving an ID wirelessly transmitted thereto from the master management module , wherein the master management module is configured to increase the operation count by 1 each time the master management module wirelessly transmits an ID to each slave management module (200_1~200_N), and N is a natural number of 2 or greater. a master management module ; and first to N th slave management modules (200_1∼200_N) configured to monitor a state of each of the first to N th battery modules (20_1~20_N), wherein the first to N th slave management modules (200_1∼200_N) are sequentially positioned so that distances from the master management module are different from each other, characterized in that , when the master management module enters an ID assignment mode, the master management module is configured to initialize an operation count, and configured to wirelessly transmit a preparation signal, wherein, when each slave management module (200_1∼200_N) wirelessly receives the preparation signal from the master management module or other slave management module (200_1~200_N) during operation in a standby mode, each slave management module (200_1∼200_N) is configured to wirelessly transmit Received Signal Strength Indicator (RSSI) of the preparation signal to the master management module , wherein the master management module is configured to wirelessly transmit an ID associated with the operation count to one of the first to N th slave management modules (200_1∼200_N) having wirelessly transmitted a maximum RSSI among the RSSIs of the preparation signal, wherein each slave management module (200_1~200_N) is configured to wirelessly transmit the preparation signal in place of a master management module and configured to terminate the standby mode, in response to receiving an ID wirelessly transmitted thereto from the master management module , wherein the master management module is configured to increase the operation count by 1 each time the master management module wirelessly transmits an ID to each slave management module (200_1~200_N), and N is a natural number of 2 or greater. <EOS>