Provided are battery management apparatuses and methods. The battery management apparatus includes a converter configured to acquire and convert information of a battery cell, an antenna configured totransmit the converted information to an adjacent battery cell and to receive converted information of the adjacent battery cell, in response to a command of a controller, and a coil configured to wirelessly charge or discharge the adjacent battery cell, in response to another command of the controller, wherein the controller is configured to control the wireless charging or the wireless discharging based on information of the adjacent battery cell.