FIELD: electrical engineering. SUBSTANCE: device has housing, which at least partly consists of plastic. It contains electrodes, which are located in electrolyte and separated from one another. Electrodes are connected to terminals for supply and output of electric power. Goal of invention is achieved by introduced valve which runs through housing of storage battery, and non-rigid material, which opens valve under excess pressure and closing it upon dropping excess pressure. EFFECT: increased reliability of operations. 17 cl, 11 dwg
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