Patent ID: 8728645

Claim:
A battery pack which is loaded and unloaded to and from a battery mounting portion on an electronic apparatus by sliding a housing of the battery pack on said battery mounting portion, the battery pack comprising: said housing, said housing including a pair of lock recesses for engagement with a corresponding lock protrusion, the corresponding lock protrusion formed to protrude from said battery mounting portion, each lock recess formed in each of side surfaces adjacent to a mount surface for mounting to said battery mounting portion, the side surfaces adjacent to the mount surface along a pair of side edges parallel to a sliding direction of said mount surface, and a detection recess for engagement with a protrusion, the protrusion formed to protrude from said battery mounting portion, the detection recess formed so as to detect a kind of said battery pack, the detection recess formed in one or each of said side surfaces according to the kind of said battery pack, and each lock recess including an inclined surface portion for drawing in said corresponding lock protrusion; an orthogonal surface portion having a lower end connected to an upper end of the inclined surface portion and extending in a height direction substantially orthogonal to the mount surface such that the inclined surface portion is located between the mount surface and the orthogonal surface portion; and a clamped portion to be clamped between a bottom surface of said battery mounting portion and said corresponding lock protrusion through sliding of said housing in said battery mounting portion, the clamped portion including only a protrusion extending along the sliding direction that is received between the corresponding lock protrusion and the battery mounting portion when the battery pack is mounted on the electronic apparatus.