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A lead accumulator has a housing with a frontside, a backside, a first and a second end faces, and a bottom. The housing has a plurality of cells containing acid. A lid is provided for closing the housing. The lid comprises an upper lid and a lower lid spaced from the upper lid to define a space the

A lead accumulator has a housing with a frontside, a backside, a first and a second end faces, and a bottom. The housing has a plurality of cells containing acid. A lid is provided for closing the housing. The lid comprises an upper lid and a lower lid spaced from the upper lid to define a space therebetween. The space is divided by chamber walls into a plurality of chambers such that each cell has a corresponding chamber within the lid. For each cell the lid has a fill and check opening closable by a stopper. Each chamber has guides for controlling the flow of acid. The guides comprise deflecting stays and an annular stay surrounding the fill and check opening, the annular stay having a degassing and return outlet. The lid further has at least one ignition protector. The guides are designed and arranged such that, in any position of the housing, when resting on one of the side walls, acid within the chambers remains below a level above which acid flows into the ignition protector.

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A lead accumulator comprising: a housing with a front side, a backside, a first and a second end faces, and a bottom, said housing having a plurality of cells containing acid; a lid for closing said housing, said lid comprising an upper lid and a lower lid spaced from said upper lid to define a spac

A lead accumulator comprising: a housing with a front side, a backside, a first and a second end faces, and a bottom, said housing having a plurality of cells containing acid; a lid for closing said housing, said lid comprising an upper lid and a lower lid spaced from said upper lid to define a space therebetween, said space being divided by chamber walls into a plurality of chambers such that each said cell registers with a corresponding one of said chambers within said lid; said lid having for each said cell a fill and check opening closable by a stopper; each said chamber having guides for controlling a flow of acid, said guides comprising deflecting stays and an annular stay surrounding said fill and check opening, said annular stay having a degassing and return outlet; said lid further having at least one ignition protector; said guides designed and arranged such that in any position of said housing, when resting on one of said end faces, front side, and backside, acid within said chambers remains below a level above which acid flows into said ignition protector; and wherein said degassing and return outlet, when said lead accumulator is resting on said backside, is at a highest point of said annular stay.