Nickel Strip Pure 99.6% Purity Nickel 0.15X8X100mm Strips For 18650 Soldering Tab For Battery Spot Welding And Soldering Pure Nickel Strip 5Meters length model 2P comes 0., 15 mm thickness and 31., 5mm wide, space distance 22., 5mm,very suitable for some small tests and experiments, not wasted because of multiple purchases, , 21700 nickel strip 2p:99., 96% high purity nickel strip for 21700 battries spot welding, can never result in rust, corrode and loose 0.15mm Nickel Strip for Spot Welder 2P 21700 Battery Pack To judge whether it is pure nickel, (1) the sander grinds, there is no spark, (2) put in salt water, it will not rust, 18650 21700 32700 Lithium Battery Pack Strip Connector Copper Nickel... 5Meters length model 2P comes 0., 15 mm thickness and 31., 5mm wide, space distance 22., 5mm,very suitable for some small tests and experiments, not wasted because of multiple purchases, Customized 21700 Battery Spot Welding Strip Copper Nickel Busbar Welding Copper Sheet For lithium batteries packes to be equipped with bracket!