An electric vehicle in which a high voltage battery supplying electric power to an electric motor generating power to drive a drive wheel and a low voltage battery supplying electric power to an accessory (51, 52, 73) are mounted in a vehicle body, characterized in that the electric vehicle comprises: a breaker which is provided in a circuit of a high power system linked to the high voltage battery; manual connection-disconnection means. for allowing switching between connection and disconnection of a circuit of a low power system linked to the low voltage battery to be performed by a manual operation, wherein the manual connection-disconnection means are provided in the circuit of the low power system, a relay switch (63, 64) which is capable of performing switching between connection and disconnection of the circuit of the high power system, wherein the relay switch (63, 64) is configured to supply the circuit of the high power system with electric power from the circuit of the low power system, and wherein the relay switch (63, 64) is configured to interrupt the circuit of the high power system when the circuit of the low power system is interrupted, and touch prevention means for allowing the breaker to be touched only when the circuit of the low power system is interrupted by using the manual connection-disconnection means, a battery managing unit configured to perform switching between connection and disconnection of the relay switch (63, 64) by using power supplied from the low voltage battery, the battery managing unit being connected to the low voltage battery by the manual connection-disconnection means, wherein the battery managing unit does not receive power from the low power battery and the battery managing unit disconnects the relay switch (63, 64) so that the relay switch (63, 64) disconnects the circuit of the high power system, when the manual connection-disconnection means disconnects the circuit of the high power system from the low power battery. a breaker which is provided in a circuit of a high power system linked to the high voltage battery; manual connection-disconnection means. for allowing switching between connection and disconnection of a circuit of a low power system linked to the low voltage battery to be performed by a manual operation, wherein the manual connection-disconnection means are provided in the circuit of the low power system, a relay switch (63, 64) which is capable of performing switching between connection and disconnection of the circuit of the high power system, wherein the relay switch (63, 64) is configured to supply the circuit of the high power system with electric power from the circuit of the low power system, and wherein the relay switch (63, 64) is configured to interrupt the circuit of the high power system when the circuit of the low power system is interrupted, and touch prevention means for allowing the breaker to be touched only when the circuit of the low power system is interrupted by using the manual connection-disconnection means, a battery managing unit configured to perform switching between connection and disconnection of the relay switch (63, 64) by using power supplied from the low voltage battery, the battery managing unit being connected to the low voltage battery by the manual connection-disconnection means, wherein the battery managing unit does not receive power from the low power battery and the battery managing unit disconnects the relay switch (63, 64) so that the relay switch (63, 64) disconnects the circuit of the high power system, when the manual connection-disconnection means disconnects the circuit of the high power system from the low power battery.