A battery cell connector (900; 1300), comprising: a plurality of segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18), each segment (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18) defining a respective plane and having a respective longitudinal axis; and a plurality of bends (106-5, 106-6; 106-7, 106-8, 106-9) coupling the plurality of segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18) together into a 3-D object and whose associated axes point to at least three different directions, each bend located between a unique pair of adjacent segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18) of the plurality of segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18), wherein the unique pair of adjacent segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18) define two distinct respective planes, wherein the battery cell connector is formed of a single metal sheet; wherein: a first segment of the plurality of segments includes one or more first connecting elements (108, 110) for a battery pole of a first battery cell; a second segment of the plurality of segments includes one or more second connecting elements (108, 110) for a battery pole of a second battery cell, the second connecting element being located in one and the same plane as the first connecting element; and the one or more first connecting elements (108, 110) are electrically coupled with the one or more second connecting elements; characterized in that a third segment (102-11; 102-16) and a fourth segment (102-12; 102-17) of the plurality of segments are welded together to form a spring, wherein the spring forms a tweezer structure. a plurality of segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18), each segment (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18) defining a respective plane and having a respective longitudinal axis; and a plurality of bends (106-5, 106-6; 106-7, 106-8, 106-9) coupling the plurality of segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18) together into a 3-D object and whose associated axes point to at least three different directions, each bend located between a unique pair of adjacent segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18) of the plurality of segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18), wherein the unique pair of adjacent segments (102-11, 102-12; 102-13, 102-14, 102-15, 102-16, 102-17, 102-18) define two distinct respective planes, wherein the battery cell connector is formed of a single metal sheet; wherein: a first segment of the plurality of segments includes one or more first connecting elements (108, 110) for a battery pole of a first battery cell; a second segment of the plurality of segments includes one or more second connecting elements (108, 110) for a battery pole of a second battery cell, the second connecting element being located in one and the same plane as the first connecting element; and the one or more first connecting elements (108, 110) are electrically coupled with the one or more second connecting elements; characterized in that a third segment (102-11; 102-16) and a fourth segment (102-12; 102-17) of the plurality of segments are welded together to form a spring, wherein the spring forms a tweezer structure. a first segment of the plurality of segments includes one or more first connecting elements (108, 110) for a battery pole of a first battery cell; a second segment of the plurality of segments includes one or more second connecting elements (108, 110) for a battery pole of a second battery cell, the second connecting element being located in one and the same plane as the first connecting element; and the one or more first connecting elements (108, 110) are electrically coupled with the one or more second connecting elements; characterized in that a third segment (102-11; 102-16) and a fourth segment (102-12; 102-17) of the plurality of segments are welded together to form a spring, wherein the spring forms a tweezer structure.