BATTERY PACK WITH HIGH OUTPUT AND LARGE CAPACITY

摘要

The present invention relates to a battery pack having a plurality of unit cells electrically connected to provide electricity of high output and large capacity, which comprises: two or more unit cells having electrode terminals arranged in the same direction on the side surface thereof; connection members comprising a conductive first planar connector welded to the electrode terminal of the unit cells and a second planar connector connected to the outer surface of the first planar connector and having a through hole for inserting a battery cell and a welding rod for welding the first planar connector; and a pack case surrounding the outer surfaces of the unit cells and connection members.