HYBRID POWER SUPPLY SYSTEM AND CONTROL METHOD THEREOF

A hybrid power supply system and a control method thereof are provided. The hybrid power supply system includes a fuel cell configured to generate power, a plurality of batteries which are selectively connected to the fuel cell, a drive motor which is selectively connected to the plurality of batteries, and a controller configured to connect a battery to be charged among the plurality of batteries to the fuel cell to control charging of the battery to be charged and connect a battery to be discharged among the plurality of batteries to the drive motor to control discharging of the battery to be discharged.