Patent ID: 7531985
Filing Date: 2009-05-12
Classification: H01M

Abstract:
1. A pack case for a secondary battery, the pack case comprising: a frame member having a generally rectangular walled enclosure and having a mounting ledge provided at an inner lower portion of the frame member, the frame member enclosing a first area and a second area, the second area laterally adjacent to the first area, the first area being outside the second area and adapted to house a secondary battery housable in the first area; and a dummy block adapted to be mounted on the mounting ledge in the second area, wherein at least one guide protrusion is on an inner wall in the first area and is configured to prevent the dummy block from moving towards an installation position of the secondary battery, wherein an electrically conductive path from the secondary battery housable in the first area to an outside of the frame member is independent of the dummy block, and wherein a total volume of a volume of the secondary battery plus a volume of the dummy block is substantially identical to an inside volume of the frame member.