WORKING VEHICLE

There is provided a working vehicle (1) with increased safety by preventing deterioration of a battery (9) due to over-discharge of the battery (9) caused by an operator not noticing occurrence of a malfunction in driving by connected to an external power source.The working vehicle (1) includes a charger (8), the battery (9), a sensor (7), a drive unit (2), a controller (3), a display unit (4), a battery management system (5), and a switch (6), in which the battery management system (5) is configured to control the working vehicle to be switched to the driving by connected to the external power source when the switch (6) is turned on after the charger (8) is connected to an external power source (21) and a valid signal for driving by connected to the external power source is received.