Secondary battery

A secondary battery includes: an electrode assembly (110) including a plurality of first and second electrode plates (111, 112) , and a plurality of separators (113) between the first and second electrode plates; a first electrode tab (120) on the first electrode plate, and a second electrode tab on the second electrode plate; a case (140) housing the electrode assembly, and the first and second electrode tabs; and first and second external lead terminals (150) at an outer side of the case and electrically coupled to the first and second electrode tabs, respectively.