VEHICLE HAVING POWER SYNCHRONIZATION METHOD USING ONECORD POWER PLUG

A vehicle comprises a battery and an energy storage system, which is mounted on the vehicle to charge the battery with power, provides power for charging a load outside of the vehicle, and synchronizes power discharged in order to charge the load with commercial alternating current power supplied through a receptacle outside of the vehicle if a one-cord power plug is connected to the receptacle in order to charge the load, wherein the energy storage system comprises: an alternating current/direct current conversion unit; a battery; a voltage boosting unit; a direct current/alternating current conversion unit; a power control unit; an inductor (L) connected to a supply terminal (ACP) through which commercial alternating current power (Vac) is supplied; a switching unit (SW) having one terminal connected to the inductor (L) and having another terminal connected to an input and output terminal (IOP); a current determination unit.