Abstract: A cover for electrolytic batteries, comprising an upper face and a lower face and provided with a plurality of openings for filling with electrolyte for respective electrolytic cells of the container, each one of the openings being surrounded by a wall, the walls of the openings being crossed transversely by a common gas collection channel, which is connected to a seat for a frit, the seat of the frit being arranged on the upper face of the cover, laterally with respect to the common gas collection channel and on a plane which is comprised between the channel and the upper face of the cover.

Abstract: An accumulator battery container is constituted by a box-like structure that comprises internally at least one containment cell for at least one plate and adaptable guides provided for inserting and fixing in position the at least one plate, the cell being formed between opposite walls or between opposite walls and partitions of the container, and the guides being arranged at opposite ends of the cell and being formed so that they can undergo elastic deformation gradually when the at least one plate is inserted between them by pushing.