Lead-acid storage battery tank

The utility model discloses a lead-acid storage battery jar, which relates to the technical field of storage batteries and comprises a battery jar, a liquid leakage prevention unit and a buffer unit, the battery jar is of a box-shaped structure with an opening in the upper end, and partition plates which are transversely arranged are fixedly connected to the interior of the battery jar at equal intervals; the liquid leakage prevention unit comprises a limiting plate, a buffer box, a connecting port and a detection assembly, the upper end of the battery groove is fixedly connected with the lower end of the limiting plate, the buffer box is arranged below the battery groove, the rectangular connecting port is formed in the upper end of the buffer box, and the lower end of the limiting plate is placed at the upper end of the buffer box; the detection assembly is installed in the buffer box. The buffer unit is installed at the lower end of the buffer box, the battery jar is used for containing acid liquor, the pa