Abstract: A battery attachment tape includes: an adhesive portion including an adhesive surface attached to a surface of a battery cell; and a gripping portion extending from one side of the adhesive portion. The adhesive portion includes: a first adhesive portion overlapping with the gripping portion in a first direction; and a second adhesive portion on opposite sides of the first adhesive portion. Adhesive strengths of the first adhesive portion and the second adhesive portion are different from each other.

Abstract: A tape for battery attachment includes: an adhesive portion on one surface of the tape, the adhesive portion including: a weak adhesive portion; a strong adhesive portion having a stronger adhesive strength than that of the weak adhesive portion; and a perforation line perforated along an outer periphery of the strong adhesive portion.

Abstract: A secondary battery including an electrode assembly; a can housing the electrode assembly; a cap assembly sealing the can; an upper case covering the cap assembly; and a protective circuit module between the cap assembly and the upper case, the protective circuit module having a printed circuit board; and a first protective circuit device coupled to the printed circuit board by a first solder; and an external terminal electrically coupled to the printed circuit board by a second solder, wherein a melting point of the first solder is not lower than a melting of the second solder.