METHOD FOR CONTROLLING BATTERY FOR AN ELECTRIC VEHICLE, CONTROLLER, AND ELECTRIC VEHICLE

A method of controlling a battery of an electric vehicle including a plurality of wheels, a driving motor supplying power to the plurality of wheels, and a controller controlling power supply to the driving motor and/or charging by the driving motor, includes the controller dividing an operation section into a plurality of areas based on reference data including learning data obtained during driving of the electric vehicle, selecting either a first battery or a second battery based on the operation section in which the operation point of the driving motor is among the plurality of operation sections, and controlling the power supply and/or the charging using the selected battery.