US Patent 10571523 Wireless battery management system and battery pack including same

A wireless battery management system and a battery pack which includes a master BMS configured to transmit a first radio frequency (RF) signal including a state detection command through a first wireless channel, and a plurality of slave BMSs coupled to a plurality of battery modules in one-to-one correspondence. Each of the plurality of slave BMSs is configured to detect state information of the battery module in which corresponding slave BMS is coupled in response to the first RF signal, and transmit a second RF signal indicating the state information of the battery module through the first wireless channel.