VEHICLE BATTERY PACK

A vehicle battery pack includes a battery module, a battery case configured to accommodate the battery module, and a battery cooling mechanism configured to cool the battery module. The battery cooling mechanism includes an introduction duct configured to introduce air into the battery case, an air guide member configured to guide the air, an air guide fan configured to blow the air, and a discharge duct configured to discharge the air to the outside. The air guide fan includes a fan motor, a fan case including a suction port and an air blow-out port, and an impeller. The air guide member is provided so that one end thereof is connected to the introduction duct and another end thereof seals a front surface of the battery module. The air guide fan faces the battery module in a front-rear direction, and is disposed so that the suction port faces rearward.