{"product_id":"pre-cut-copper-nickel-busbar-set-milwaukee-m18-8-0ah-21700-6-pcs","title":"Pre-Cut Copper Busbar Set (Nickel Pads) – Milwaukee M18 8.0Ah 21700 – 6 Pcs","description":"\u003ch2\u003ePre-Cut Copper Busbar Set with Nickel Weld Pads – Milwaukee M18 8.0Ah (6 Pieces)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSix pre-cut copper busbars with nickel spot-weld pads, matched to the factory cell layout of the M18 8.0Ah pack. Solid copper carries the current with minimal resistance; nickel pads at every cell contact give clean, reliable welds. No measuring, no cutting, no guesswork.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Solid copper busbar with nickel spot-weld pads at each cell contact point\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhy copper + nickel:\u003c\/strong\u003e the copper body carries current with far lower resistance and less heat than pure nickel, while the nickel pads spot-weld cleanly to the cells (bare copper won’t weld well)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.2 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePiece count:\u003c\/strong\u003e 6 pieces per set\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCut to shape:\u003c\/strong\u003e matched to the factory cell layout of the M18 8.0Ah pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell format:\u003c\/strong\u003e 21700\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Milwaukee M18 \u003cstrong\u003e8.0Ah\u003c\/strong\u003e packs built on 21700 cells\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoes not fit\u003c\/strong\u003e M18 5.0Ah or 6.0Ah packs — those use 18650 cells and a different layout\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoes not fit\u003c\/strong\u003e M18 12.0Ah packs — different cell count and layout\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Is Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6 pre-cut copper busbars with nickel weld pads — four main busbars plus two end busbars, forming one complete set for a single M18 8.0Ah pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Is Not Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBattery cells\u003c\/li\u003e\n  \u003cli\u003eBMS \/ control board\u003c\/li\u003e\n  \u003cli\u003eHousing, case, or hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAssembly Requirements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpot welding required\u003c\/li\u003e\n  \u003cli\u003eWeld to the nickel pads, not the bare copper — copper doesn’t spot-weld well. Dial in your welder before committing welds.\u003c\/li\u003e\n  \u003cli\u003eExperience with lithium pack assembly recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Safety Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLithium battery work carries fire risk. Keep cells insulated, never short a pack.\u003c\/li\u003e\n  \u003cli\u003eSpot welding produces fume. Work in a ventilated area.\u003c\/li\u003e\n  \u003cli\u003e⚠️ \u003cstrong\u003eWARNING: Cancer — www.P65Warnings.ca.gov\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShips from California — fast U.S. delivery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Parts and Resources\u003c\/strong\u003e\u003cbr\u003e\nFor more battery rebuild supplies, cells, BMS boards, and nickel by the roll, visit our shop \u003cstrong\u003eRenewSpark\u003c\/strong\u003e. We also offer the \u003cstrong\u003eRenewSpark Tools\u003c\/strong\u003e app, built to help DIY builders and professionals with calculators and utilities for battery rebuilding projects.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMilwaukee and M18 are trademarks of their respective owners. This compatible product is independently manufactured and is not produced, sponsored, or endorsed by Milwaukee.\u003c\/em\u003e\u003c\/p\u003e","brand":"RenewSpark","offers":[{"title":"Default Title","offer_id":49434315358435,"sku":"RS-M18-CUNI-BUSBAR-8AH","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7594\/8771\/files\/IMG_8033.jpg?v=1785171448","url":"https:\/\/renewspark.com\/products\/pre-cut-copper-nickel-busbar-set-milwaukee-m18-8-0ah-21700-6-pcs","provider":"RenewSpark","version":"1.0","type":"link"}