ENCLOSED TYPE LEAD STORAGE BATTERY

摘要

PURPOSE:To prevent a contacting short circuit of an active material of a cut end part of a negative electrode plate with a positive electrode plate in a charging-discharging cycle by positioning a negative electrode plate using an expanded grate while being slipped in the width direction from an opposing positive electrode plate through a separator. CONSTITUTION:An expanded grate is used for a positive electrode plate 1 and a negative electrode plate 2. The negative electrode plate 2 is positioned being slipped in the width direction by less than one fourth of the size in width of the expanded grate meshes to the positive electrode plate 1 opposing to the negative electrode plate 2 through a separator 3.