A battery management apparatus according to the present disclosure includes a voltage measuring unit for measuring a battery voltage of a battery, a degree of bending measuring unit provided on at least one side of the battery for measuring a degree of battery bending of the battery, and a processor for receiving the battery voltage from the voltage measuring unit, receiving the degree of battery bending from the degree of bending measuring unit, setting a base degree of bending according to a voltage range to which the battery voltage belongs among an overdischarge voltage range, an allowable voltage range and an overcharge voltage range, comparing the degree of battery bending with the base degree of bending to determine which is greater, and performing a protection operation for the battery based on a degree of bending comparison result.