Rechargeable battery

A rechargeable battery (101) includes: an electrode assembly (10) including a positive electrode (11) and a negative electrode (12), a case (30) that houses the electrode assembly (10), a terminal (21, 22) that is protruded to the outside of the case (30), and a current collecting member (51, 52) that electrically connects the electrode assembly (10) and the terminal (21, 22), wherein an extension (11 ab) that is bonded to the current collecting member (51, 52) is formed in the electrode assembly (10), and the extension (11ab) extends perpendicular to one of the electrodes (11, 12).