Patent ID: 6521370
Filing Date: 2003-02-18
Classification: H01M,Y02E,Y02P

Abstract:
A battery pack, comprising:a battery cell; a casing for housing said battery cell therein, said casing having a first surface and a second surface arranged transverse to one another so as to define an edge at an intersection of said first and second surfaces, said second surface extending in a longitudinal direction; at least one output terminal arranged on said first surface for outputting power from said battery cell; a plurality of recesses arranged substantially on a centerline of said second surface, said second surface centerline extending in said longitudinal direction; and a plurality of engagement recesses formed at said edge and having openings in said first and second surfaces for engaging with a battery loading device, said engagement recesses being spaced from said at least one output terminal and being disposed on opposite sides of a centerline of said first surface at substantially equal distances from said first surface centerline, said first surface centerline extending in a direction transverse to said second surface; said opening in said first surface of at least one of said engagement recesses including a portion perpendicular to said second surface and a portion parallel to said second surface.