SADDLE TYPE ELECTRIC VEHICLE

A saddle type electric vehicle (1) which travels by using an electric motor (16) as a power source includes: a power supply unit (20) including a power supply (21) for the electric motor (16); and a vehicle body frame (4) defining an accommodating space (4a) located between front and rear wheels (2 and 3) and accommodating the power supply unit (20). The vehicle body frame (4) is configured such that the power supply unit (20) is attachable to and detachable from the accommodating space (4a) in a vehicle width direction.