A non-aqueous electrolyte secondary battery including: a container; an electrode assembly housed in the container; an electrode terminal provided at the container; and a current collector which electrically connects the electrode terminal and the electrode assembly, wherein the container includes a wall having (i) an outer surface with a protrusion part formed to be protrude outward and (ii) an inner surface with a recess part formed corresponding in position to the protrusion part when the protrusion parts is formed, and the current collector includes a base part connected to the electrode terminal in the recess part and an arm part which extends from the base part in the direction opposite to the protrusion direction of the protrusion part, and is connected to the electrode assembly.