Solar battery module

A solar cell module comprising a stack body, and a frame holding an outer edge of the stack body,

• wherein the stack body is formed by laminating, in the mentioned order,
• a first protection member on a side of a light receiving surface,
• a first sealing member on the side of the light receiving surface,
• a string group formed by transversely arranging a plurality of strings each formed by using a plurality of solar cells, and by longitudinally connecting adjacent solar cells of the plurality of solar cells to each other with a wiring member,
• a second sealing member on a side of a rear surface, and
• a second protection member on the side of the rear surface;
• wherein there are provided, between the adjacent solar cells, reflection members reflecting the incident light and again making the reflected light incident on a light receiving surface of the plurality of solar cells;
• the first sealing member is constituted with an olefin-based resin;
• spacing dimension A between a frame side edge of an outermost string in the string group and inside of the frame, spacing dimension B between adjacent strings in the string group, and transverse spacing dimension C of each of the plurality of solar cells satisfy a relation {(995A−20C)/1005}<B<{(1005A+20C)/995};
• wherein each reflection member of the reflection members is constituted with a resin provided with, on the side of the light receiving surface, a reflection surface having recesses or protrusions parallel to the longitudinal direction, and
• each of the reflection members is arranged along the longitudinal direction on the surface, on the side of the light receiving surface, of the portion of the second sealing member, exposed between the adjacent strings in the string group.