Battery Management Device For Battery Having Voltage Plateau Section, And Method For Controlling Same

Abstract: A battery management device according to one embodiment of the present invention manages and controls a battery configured to be connected in parallel with another battery, the battery management device comprising: at least one processor; and a memory storing at least one instruction executed through the at least one processor. The at least one instruction may comprise: an instruction for diagnosing whether the battery is abnormal on the basis of the status information of the battery; and an instruction for, if the battery is determined to be in an abnormal state, controlling whether to release the parallel connection between the battery and the other battery on the basis of whether the state of charge (SOC) of the battery is within a critical SOC range predefined as an SOC estimation impossible section.

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