Abstract: Provided is a bipolar lead-acid battery relating to the technical filed of battery. The bipolar lead-acid battery includes a housing (1) with a battery cavity (11a) inside and a plurality of single cells (2) provided in the battery cavity (11a), each of the single cells (2) has an inner cavity (21) for electrolyte injection, and the inner cavity (21) of each single cell (2) is independent of one another, and the housing (1) has a plurality of air-distributing chambers (12a) communicating with the inner cavity (21) of the each of the single cells (2) in one-to-one correspondence above the battery cavity (11a), wherein the housing (1) further has a common pressure chamber (14a), the air-distributing chambers (12a) communicate with the common pressure chamber (14a) through vents (13a), respectively. The bipolar lead-acid battery has the advantages that it can be successfully manufactured and can be used normally, and solves the problems of short service life and unsuccessful manufacture of the existing battery.