Battery and battery compartment

Abstract

Battery characterized in that it comprises: electrode connection units; a battery cell comprising a main body and electrode tabs; at least two welded connection parts connecting the electrode tabs to the electrode connection unit, wherein the welded area between a welded connection part and the electrode tab is s, the number of welded connection parts is n, and the ratio of the number n of welded connection parts to the welded area s (n / s) is greater than or equal to 0.15 mm-2 and less than or equal to 10.5 mm-2.