{"product_id":"21700-3p-pure-nickel-strip-0-20mm-thick","title":"21700 3P Pure Nickel Strip - 0.20mm Thick","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003e21700 3P Pure Nickel Strip - 0.20mm Thick\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003ePre-cut pure nickel strip designed for building straight \u003cstrong\u003e21700 3P parallel cell groups\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEach strip is sized for three 21700 cells arranged side by side and provides a clean, repeatable conductor for spot-welding parallel connections. The pre-cut format helps reduce measuring, trimming, and material waste during battery-pack assembly.\u003c\/p\u003e\n\u003cp\u003eSold individually so builders can order the exact quantity needed for a 10S, 12S, custom, repair, or test build.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for straight 21700 3P cell groups\u003c\/li\u003e\n\u003cli\u003eMade from pure nickel\u003c\/li\u003e\n\u003cli\u003e0.20mm thickness\u003c\/li\u003e\n\u003cli\u003ePre-cut for repeatable battery-pack assembly\u003c\/li\u003e\n\u003cli\u003eSuitable for spot welding\u003c\/li\u003e\n\u003cli\u003eHelps simplify parallel-group construction\u003c\/li\u003e\n\u003cli\u003eUseful for electric skateboard and DIY EV battery packs\u003c\/li\u003e\n\u003cli\u003eSold by individual piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuantity\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQuantity 1 = one pre-cut 21700 3P pure nickel strip\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExamples:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuantity 10 = 10 strips\u003c\/li\u003e\n\u003cli\u003eQuantity 12 = 12 strips\u003c\/li\u003e\n\u003cli\u003eQuantity 15 = 15 strips\u003c\/li\u003e\n\u003cli\u003eQuantity 24 = 24 strips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOrder extra pieces for test welds, setup adjustments, mistakes, repairs, or future maintenance.\u003c\/p\u003e\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cp\u003eThese strips are commonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e10S3P battery packs\u003c\/li\u003e\n\u003cli\u003e12S3P battery packs\u003c\/li\u003e\n\u003cli\u003eModular 21700 battery builds\u003c\/li\u003e\n\u003cli\u003eElectric skateboard batteries\u003c\/li\u003e\n\u003cli\u003eDrift-cart and lightweight EV battery packs\u003c\/li\u003e\n\u003cli\u003eRepairing or rebuilding damaged parallel groups\u003c\/li\u003e\n\u003cli\u003eSpot-welding practice and testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell size:\u003c\/strong\u003e 21700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParallel-group format:\u003c\/strong\u003e Straight 3P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Pure nickel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Pre-cut strip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Parallel cell-group connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Fitment Note\u003c\/h2\u003e\n\u003cp\u003eThis strip is intended for a straight three-cell 21700 layout.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCell diameter\u003c\/li\u003e\n\u003cli\u003eCell spacing\u003c\/li\u003e\n\u003cli\u003eStrip dimensions\u003c\/li\u003e\n\u003cli\u003eTerminal alignment\u003c\/li\u003e\n\u003cli\u003ePack layout\u003c\/li\u003e\n\u003cli\u003eSpot-welder capability\u003c\/li\u003e\n\u003cli\u003eRequired current capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDo not assume compatibility based only on the term “3P.” Different holders, spacing, and battery layouts may require different strip dimensions.\u003c\/p\u003e\n\u003ch2\u003eParallel and Series Connections\u003c\/h2\u003e\n\u003cp\u003eEach strip is designed to connect one 3P parallel group.\u003c\/p\u003e\n\u003cp\u003eA complete battery pack may require additional conductive material for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeries connections\u003c\/li\u003e\n\u003cli\u003eMain positive and negative terminals\u003c\/li\u003e\n\u003cli\u003eBMS wiring\u003c\/li\u003e\n\u003cli\u003eBalance leads\u003c\/li\u003e\n\u003cli\u003eFuse connections\u003c\/li\u003e\n\u003cli\u003eCustom current paths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe exact amount of nickel required depends on the battery architecture and current demands.\u003c\/p\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eBefore spot welding:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eConfirm all cells are matched and within an appropriate voltage range.\u003c\/li\u003e\n\u003cli\u003eInspect cell wrappers and terminal insulators.\u003c\/li\u003e\n\u003cli\u003eClean the nickel and cell terminals.\u003c\/li\u003e\n\u003cli\u003eAlign the strip over the correct terminals.\u003c\/li\u003e\n\u003cli\u003eVerify polarity and pack layout.\u003c\/li\u003e\n\u003cli\u003eTest weld settings on scrap material or a test cell setup.\u003c\/li\u003e\n\u003cli\u003eMake consistent welds without overheating the cells.\u003c\/li\u003e\n\u003cli\u003eInspect every weld before continuing assembly.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eDo not solder directly to lithium-ion cell terminals unless using a process specifically designed and validated for that application.\u003c\/p\u003e\n\u003ch2\u003eWhy Pure Nickel?\u003c\/h2\u003e\n\u003cp\u003ePure nickel offers better corrosion resistance and more predictable electrical performance than nickel-plated steel.\u003c\/p\u003e\n\u003cp\u003eIt is commonly preferred for lithium-ion battery-pack construction because it:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpot welds reliably when properly configured\u003c\/li\u003e\n\u003cli\u003eResists corrosion\u003c\/li\u003e\n\u003cli\u003eProvides consistent conductivity\u003c\/li\u003e\n\u003cli\u003eAvoids the hidden steel core found in nickel-plated material\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways verify material authenticity through supplier documentation or appropriate testing.\u003c\/p\u003e\n\u003ch2\u003eSafety Information\u003c\/h2\u003e\n\u003cp\u003eLithium-ion battery construction can cause fire, serious injury, or property damage if completed incorrectly.\u003c\/p\u003e\n\u003cp\u003eBattery packs should only be assembled by someone familiar with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCell matching\u003c\/li\u003e\n\u003cli\u003ePolarity\u003c\/li\u003e\n\u003cli\u003eSpot welding\u003c\/li\u003e\n\u003cli\u003eInsulation\u003c\/li\u003e\n\u003cli\u003eCurrent-path design\u003c\/li\u003e\n\u003cli\u003eBMS wiring\u003c\/li\u003e\n\u003cli\u003eShort-circuit prevention\u003c\/li\u003e\n\u003cli\u003eElectrical testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePure nickel strip does not replace proper pack design, fusing, insulation, structural support, or current-capacity calculations.\u003c\/p\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eQuantity 1 = 1x pre-cut 21700 3P pure nickel strip.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eExamples:\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuantity 12 = enough for the parallel groups in one 6S3P pack\u003c\/li\u003e\n\u003cli\u003eQuantity 20 = enough for one 10S3P pack\u003c\/li\u003e\n\u003cli\u003eQuantity 24 = enough for one 12S3P pack\u003c\/li\u003e\n\u003cli\u003eQuantity 27 = enough for one 12S3P pack with three spare strips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCells, fish paper, terminal insulators, series conductors, wiring, BMS components, and tools are not included.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eHow Many Pieces Do I Need?\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eEach nickel strip is designed for one straight 21700 3P parallel group.\u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eEach 21700 3P parallel group typically uses:\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 strip on the positive side\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 strip on the negative side\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2 strips total per parallel group\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTypical quantities:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6S3P battery pack:\u003c\/strong\u003e 12 strips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10S3P battery pack:\u003c\/strong\u003e 20 strips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12S3P battery pack:\u003c\/strong\u003e 24 strips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConsider ordering extra strips for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTest welds\u003c\/li\u003e\n\u003cli\u003eSpot-welder setup\u003c\/li\u003e\n\u003cli\u003eMisaligned or unsuccessful welds\u003c\/li\u003e\n\u003cli\u003eDamaged material\u003c\/li\u003e\n\u003cli\u003eRepairs\u003c\/li\u003e\n\u003cli\u003eFuture maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese quantities cover the pre-cut nickel strips used for the 3P parallel groups. Your complete battery design may require additional nickel, copper, wire, or other conductive material for series connections and main current paths.\u003c\/p\u003e","brand":"TorqueBoards","offers":[{"title":"Default Title","offer_id":52432908222695,"sku":null,"price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2363\/7649\/files\/217003PPureNickelStrip-0.20mmThick.webp?v=1785457175","url":"https:\/\/diyelectricskateboard.com\/products\/21700-3p-pure-nickel-strip-0-20mm-thick","provider":"DIY Electric Skateboard","version":"1.0","type":"link"}