Method for selecting lug welding point positions of batteries

The invention relates to the field of battery technology, and provides a method for selecting lug welding point positions of batteries. The method comprises the following steps of preparing a plurality of sets of batteries, wherein the lug welding point positions of the plurality of sets of batteries are different, the welding point positions can be divided into three types of a position which is next to the exposed end of the lug, a position which is next to the center of the lug and a position that is far from the exposed end of the lug; performing performance testing on each set of batteries, wherein performance testing comprises one item, two random items or three items selected from internal resistance testing, rate discharge performance testing and low temperature performance testing; and determining the lug welding point positions of the batteries according to performance testing results. The battery which is obtained according to the method for selecting the lug welding point positions of the batterie