The present invention is characterized in that a battery comprises: a cap plate which is welded to the opening of a battery case; an insulative holding overhang which is placed on said cap plate and protrudes to the upward direction of said cap plate; a te...

Gas outlets which discharge into associated cavity (3-8) is provided for each cell at a distance from the fill openings (9-14) in a bottom cover (1). The size of the gas outlet is dimensioned such that in the event of the brief tipping of the accumulator, ...

A leak resistant automotive battery (10) comprising a housing containing cells having filling plugs; a battery cover (12) sealed to an opened top end of the housing and having filling holes overlying the respective cells; at least one partition wall provid...

A top sealing plate used for a battery includes a filter, a cap, and a valve body. The filter has a valve hole and upper opening; the cap has a convex portion and a flange portion disposed around the convex portion; the opening end of the upper opening of ...