A charging station for a utility vehicle that detects a magnetic field generated by electric current flowing through a boundary wire, there are provided with a base plate (76a) installed at the working area to retain the vehicle (10) and provided with a pair of charging terminals (86) connectable with battery charging terminals of the onboard battery, a first wire (90) having a first loop (90a) and first projecting segments (90b) that project from the first loop (90a) toward the base plate, and a second wire (92) installed at the base plate and is connected to the electric power supply (86) independently of the boundary wire (72) and the first wire (90) and having a second loop (92a) and second projecting segments (92b) that project from the second loop (92a) toward the base plate (76a) symmetrically with the first projecting segments (90b).
