A battery storage device for an electric vehicle comprising: a battery storing unit configured for inserting at least one battery (70A or 70B); a pressing member that includes a base in which a support shaft is provided, is movable between a closed position and an open position about the support shaft, the pressing member being configured to prevent, when in the closed position, the at least one battery (70A or 70B), when inserted in the battery storing unit, from moving in a direction (Up) in which the at least one battery (70A or 70B) is removable from the battery storing unit, and the pressing member being configured to allow, when in the open position, the at least one battery (70A or 70B) to move in the removing direction (Up); an operation lever that is coupled to the pressing member via a coupling shaft disposed apart from the support shaft, the operation lever being movable relative to the pressing member between a fixed position and a release position about the coupling shaft, the operation lever including an operation input portion configured for receiving an operation of an operator and an engaging portion, a distance between the coupling shaft and the operation input portion being longer than a distance between the coupling shaft and the engaging portion; and an engaged portion that is configured to be engaged with the engaging portion of the operation lever when the pressing member is in the closed position and the operation lever is in the fixed position, wherein when the pressing member is in the closed position, the pressing member extends in a first direction (Bc) from the support shaft, the battery storing unit is configured for inserting a first battery and a second battery as the at least one battery, and when the first battery and the second battery are inserted in the battery storing unit, the second battery being configured for inserting into battery storing unit includes a third surface facing in the first direction (Bc), characterized in that the second battery being disposed in the first direction (Bc) with respect to the first battery, and when the pressing member is in the closed position, the coupling shaft is away from the support shaft in the first direction (Bc) and positioned farther in a second direction (Fr), which is opposite to the first direction (Bc), than the third surface. a battery storing unit configured for inserting at least one battery (70A or 70B); a pressing member that includes a base in which a support shaft is provided, is movable between a closed position and an open position about the support shaft, the pressing member being configured to prevent, when in the closed position, the at least one battery (70A or 70B), when inserted in the battery storing unit, from moving in a direction (Up) in which the at least one battery (70A or 70B) is removable from the battery storing unit, and the pressing member being configured to allow, when in the open position, the at least one battery (70A or 70B) to move in the removing direction (Up); an operation lever that is coupled to the pressing member via a coupling shaft disposed apart from the support shaft, the operation lever being movable relative to the pressing member between a fixed position and a release position about the coupling shaft, the operation lever including an operation input portion configured for receiving an operation of an operator and an engaging portion, a distance between the coupling shaft and the operation input portion being longer than a distance between the coupling shaft and the engaging portion; and an engaged portion that is configured to be engaged with the engaging portion of the operation lever when the pressing member is in the closed position and the operation lever is in the fixed position, wherein when the pressing member is in the closed position, the pressing member extends in a first direction (Bc) from the support shaft, the battery storing unit is configured for inserting a first battery and a second battery as the at least one battery, and when the first battery and the second battery are inserted in the battery storing unit, the second battery being configured for inserting into battery storing unit includes a third surface facing in the first direction (Bc), characterized in that the second battery being disposed in the first direction (Bc) with respect to the first battery, and when the pressing member is in the closed position, the coupling shaft is away from the support shaft in the first direction (Bc) and positioned farther in a second direction (Fr), which is opposite to the first direction (Bc), than the third surface.