{"product_id":"5s1p-21700-diy-copper-stainless-busbar-kit","title":"5S1P 21700 DIY Copper + Stainless Steel Busbar Kit","description":"\u003ch2\u003e5S1P 21700 DIY Copper + Stainless Steel Busbar Kit\u003c\/h2\u003e\u003cp\u003eBuild a 5S1P 21700 layout using matched cell holders and slotted copper busbars with a stainless-steel welding layer over the copper. This is a loose-parts DIY kit; \u003cstrong\u003e21700 cells are not included\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImages show the kit installed on example 21700 cells for orientation only. The illustrated cells are not included with this kit.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eIncluded\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTop and bottom 21700 cell holders for this configuration\u003c\/li\u003e\n\u003cli\u003eConfiguration-specific copper busbars and slotted stainless-steel top pieces\u003c\/li\u003e\n\u003cli\u003eJST balance connector and lead for a compatible smart charger\u003c\/li\u003e\n\u003cli\u003eTwo bare-ended, 6-inch power leads in the requested 12 AWG or 10 AWG gauge\u003c\/li\u003e\n\u003cli\u003eClear PVC cover and printed orientation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe stainless-steel top layer provides a spot-weldable, corrosion-resistant contact surface. Copper thickness may vary from 0.2 to 0.3 mm by kit option; the supplied gauge is confirmed with the quote. The centered slit in both metal layers is designed at 0.8 × 7 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEstimated assembled body:\u003c\/strong\u003e 46.4 × 69.4 × 72 mm, excluding leads, balance connector, cover, cushioning, and shipping box.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEstimated loose-kit mass:\u003c\/strong\u003e 45–85 g before outer packaging; engineering estimate, not a measured shipment weight.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConcept render:\u003c\/strong\u003e The tray arrangement is a labeled design example. Final holder dimensions and busbar routing will be confirmed before a quote or build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCharging and protection:\u003c\/strong\u003e The JST balance connector is for use with a compatible smart charger only; it is not a battery management system (BMS). No BMS is included. Use suitable external protection, fusing, insulation, and thermal management for the chosen cells and application. Follow the selected cell manufacturer's data sheet for charging and operating limits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuote inquiry only:\u003c\/strong\u003e This page does not offer online checkout or promise shipping. Tell us the cable gauge and planned cell model. We will confirm the final parts, availability, price, and delivery method before payment.\u003c\/p\u003e","brand":"DIY500AMP.COM","offers":[{"title":"Default Title","offer_id":48943147909191,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/8055\/7127\/files\/diy500amp-5s1p-21700-assembly-front-example-stainless_ba84a642-ffef-454e-983b-13dc5d9dc251.png?v=1790211760","url":"https:\/\/diy500amp.com\/products\/5s1p-21700-diy-copper-stainless-busbar-kit","provider":"DIY500AMP.COM","version":"1.0","type":"link"}