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

A method for controlling an electric vehicle battery is provided. The electric vehicle includes a plurality of wheels, a driving motor for supplying power to the plurality of wheels, and a controller for controlling power supply to the driving motor and/or charging by the driving motor. The method includes selecting, by the controller, a battery among a first battery and a second battery according to revolutions per minute (RPM) and a power of the driving power. The method also includes controlling, by the controller the power supply and/or the charging by using the selected battery.