CHARGING SYSTEM AND CHARGING METHOD

A charging system includes a remote control unit configured to run the vehicle by remote control in the manufacturing process of the factory, wherein the vehicle is capable of running on track in the factory by remote control, wherein the vehicle includes a communication device having a communication function and a secondary battery for running mounted on the vehicle before running the track; a manufacturing status acquiring unit configured to acquire a manufacturing status in a post-process part, the post-process part is destination of the vehicle running the track from a pre-process part where the secondary battery mounted on the vehicle is charged or a charged secondary battery is mounted; and a charging rate determination unit configured to determine a charging rate at the time of mounting using the acquired manufacturing status in the post-process part, wherein the charging rate at the time of mounting is a charging rate of the secondary battery at the time of mounting the secondary battery on the vehicle.