Electric station and charging system with fuel cell system and control method thereof

PURPOSE: An electric vehicle charging station, a battery charger, and a controlling method thereof are provided to minimize the number of turning on and off a full cell generator while charging multiple electric vehicles. CONSTITUTION: An electric vehicle charging station comprises the following: a main power supply unit(200) inserting powers to the charging station; a fuel cell generator(300) included in the charging station; an input unit(610) to insert a charge time value from a user; a measuring unit(600) measuring the charge power amount while being connected with more than one electric vehicle; an optimization controller(700) determining the power supply for the charging station; a power supply control unit to control the charge of the electric vehicle; and a fuel cell management system(310) to control the operating of the fuel cell generator.