{"product_id":"21700-2p-direct-copper-busbar-200a-spot-weld-parallel-connector","title":"21700 2P Direct Copper Busbar 0.3mm 200A | Spot Weld Parallel Connector","description":"\u003cp\u003e\u003cstrong\u003e🔧 DIY500AMP.COM BUILDER COMPONENT\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis \u003cstrong\u003e21700 2P Copper Nickel Busbar\u003c\/strong\u003e is designed for builders creating high-current lithium battery packs. The copper core provides excellent conductivity while the nickel surface allows easy spot welding directly to the cells.\u003c\/p\u003e\n\n\u003cp\u003ePerfect for \u003cstrong\u003e21700 battery pack builders\u003c\/strong\u003e who want a clean, professional, and low-resistance connection between parallel cells.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚡ Key Features:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Capability\u003c\/strong\u003e\u003cbr\u003e\nDesigned to handle up to \u003cstrong\u003e200A current\u003c\/strong\u003e, making it ideal for high performance battery packs.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eCopper Core for Maximum Conductivity\u003c\/strong\u003e\u003cbr\u003e\nCopper carries the current efficiently while the nickel layer allows reliable spot welding.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eDesigned for 21700 Cells\u003c\/strong\u003e\u003cbr\u003e\nSpecifically made for \u003cstrong\u003e21700 2P configurations\u003c\/strong\u003e with proper spacing for parallel connections.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eLow Resistance Design\u003c\/strong\u003e\u003cbr\u003e\nSignificantly reduces voltage sag compared to standard nickel strips.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eClean and Professional Battery Layout\u003c\/strong\u003e\u003cbr\u003e\nPre-shaped busbars simplify pack assembly and improve pack reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003e📦 What’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e1x 21700 2P Copper Nickel Busbar\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003e📐 Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCell Type: 21700\u003c\/li\u003e\n\u003cli\u003eConfiguration: 2P (Parallel connection)\u003c\/li\u003e\n\u003cli\u003eMaterial: Copper core with nickel welding surface\u003c\/li\u003e\n\u003cli\u003eMax Current: Up to 200A\u003c\/li\u003e\n\u003cli\u003eApplication: Lithium-ion battery pack assembly\u003c\/li\u003e\n\u003cli\u003eCompatibility: Spot welding compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003e🔋 Common Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eHigh power eBike battery packs\u003c\/li\u003e\n\u003cli\u003eElectric skateboard packs\u003c\/li\u003e\n\u003cli\u003eRC battery packs\u003c\/li\u003e\n\u003cli\u003eDIY lithium battery projects\u003c\/li\u003e\n\u003cli\u003eHigh current battery systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003e💡 DIY500AMP.COM Builder Note:\u003c\/strong\u003e\u003cbr\u003e\nUsing copper busbars instead of standard nickel strip can significantly reduce resistance and heat in high-current battery packs. This is especially important for builders pushing \u003cstrong\u003e100A+ systems\u003c\/strong\u003e where voltage sag and heat become critical factors.\u003c\/p\u003e","brand":"DIY500AMP.COM","offers":[{"title":"Default Title","offer_id":42601882878023,"sku":null,"price":45.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/8055\/7127\/files\/Busbar.jpg?v=1773371940","url":"https:\/\/diy500amp.com\/products\/21700-2p-direct-copper-busbar-200a-spot-weld-parallel-connector","provider":"DIY500AMP.COM","version":"1.0","type":"link"}