BATTERY MANAGEMENT APPARATUS AND METHOD THEREOF

A battery management device according to an embodiment of this document includes a memory configured to store one or more instructions and a processor configured to execute the one or more instructions, and the processor is configured to acquire a reference voltage for determining initial driving batteries among a plurality of batteries based on factors acquired from a plurality of cells included in each of the plurality of batteries, and manage a connection state of each of the plurality of batteries based on the reference voltage.