Abstract: A sealed gas recombining lead acid battery comprises a sealed lid, terminal pillars each located in a trough having a cylindrical side wall formed integrally with the lid and surrounding a terminal projecting through the lid, an annular sealing member located within the trough and surrounding the pillar, annular compression means surrounding the pillar and screw threadedly engaging a mating thread formed in said cylindrical wall of the trough, the compression means axially compressing the sealing member within the trough to press the sealing member radially against the pillar and the side wall of the trough, to effect a seal.