Features: , Sturdy and , good gloss, low resistance, corrosion resistance and long service life. It has good spot welding, high strength and easy operation, making your work easier. The surface is smooth, without scratches and burrs, and it is easy to weld. 0.2mm, ultra-thin thickness, lighter weight. It is easy to use and can assemble the required battery. The nickel plating infiltration process, the consistency and firmness of the electric nickel layer are high, the accuracy is high, the assembly error is small, does not puncture the battery membrane, it is safe and reliable. The nickel strips are completely oiled, the surface is clean, and spot welding is easy for tin plating. It is suitable for industries such as nickel-metal hydride batteries, lithium batteries, power tools, assembled batteries, telecommunications, electric vacuum, and special light bulbs. Product Parameters:Model: 21700 battery packMaterial: nickel galvanized steelOptional types: 2P, 3P, 4PGrubleny: 0.15mmLength: 1MKolor: as shown in the pictureQuantity: 1 pieceModel 21700 has three pitch models:21.5 pitch it doesn't need to be equipped with bracket22.5 pitch is equipped with fixed support23 pitch the one with direct connectionPacking List:1*nickel galvanized steel (pitch 22.5)Note:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.