SEALED LEAD ACID BATTERY AND SEALED LEAD ACID BATTERY UNIT

摘要

PROBLEM TO BE SOLVED: To provide a sealed lead acid battery which can well perform heat radiation with a structure capable of preventing a battery jar from swelling. SOLUTION: In each side surface 1a, 1b of a battery jar 1, a plurality of vertically facing protruded parts 2, 3, vertically facing in a use condition, are provided. In the wide side surface 1a of the battery jar 1, a plurality of horizontally facing protruded parts 4, horizontally facing in a use condition, are provided by changing a position to be crossed with the vertically facing protruded part 3. Between the adjacent vertically facing protruded parts 3, in the horizontally facing protruded part 4, a vertical direction separation part 5 is provided, between the adjacent vertically facing protruded parts 3, a vertically facing passage 8 continued in a vertical direction is provided.