SECONDARY BATTERY, ASSEMBLY METHOD THEREOF AND BATTERY PACK INCLUDING THE SAME

PROBLEM TO BE SOLVED: To provide a secondary battery in which the resistance can be decreased by enhancing the fastening power of an electrode terminal while reducing the manufacturing cost.SOLUTION: The secondary battery includes a case in which an electrode assembly is housed, a cap plate which seals the case hermetically, a collector terminal connected electrically with the electrode assembly and projecting above the cap plate, a terminal plate located above the cap plate, connected to the collector terminal and internally forming a slide groove in the horizontal direction, and a fastening terminal inserted into the slide groove of the terminal plate and connected thereto.