RECHARGEABLE BATTERY

A rechargeable battery according to the present disclosure includes an electrode assembly including a plurality of electrode plates, each electrode plate including an electrode base tab and disposed to be stacked on one another, and a separator interposed between the plurality of electrode plates, and a case accommodating the electrode assembly, wherein a width of an electrode base tab of an outermost electrode plate in the electrode assembly is smaller than a width of the electrode base tab of each of the remaining electrode plates.