A roof tile-integrated solar battery module applicable to many types of roof tiles can be obtained. A roof tile-integrated solar battery module according to the present invention is a module including a solar battery power generating body, and an exterior member accommodating the solar battery power generating body therein and including an upper metal plate and a lower metal plate. A concave portion formed of an upper metal plate insertion portion and a surface of the upper metal plate and opening in a direction to an eaves when the module is provided at a roof, and a fitting portion for connection, for connecting to another module adjacent in a direction intersecting the direction to the eaves, are formed at the upper metal plate. An eaves side insertion portion extending in a direction to a ridge when the module is provided at the roof is formed at the lower metal plate.