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.