Rechargeable battery

A rechargeable battery according to an exemplary embodiment includes a plurality of electrode assemblies each comprising a first electrode, a second electrode, and a separator interposed between the first and second electrodes, each electrode having a coated and an uncoated region, a case for mounting the plurality of electrode assemblies therein, a cap plate for closing an opening in the case, a first terminal protruding through the cap plate and being electrically coupled to a first current collecting member; the first current collecting member mechanically and electrically coupling each first electrode of the plurality of electrode assemblies to the first terminal; the first current collecting member further comprises: a plurality of current collecting plates, each current collecting plate being fixed to an uncoated region of one of the plurality of first electrodes, and a plurality of supporting portions connecting neighboring current collecting plates, wherein the first current collecting member comprises a terminal connection portion and a side plate extending from a lateral side surface of the terminal connection portion and electrically coupling the plurality of current collecting plates to the first terminal.