{"product_id":"milwaukee-m18-18v-5-cell-18650-battery-build-kit","title":"Milwaukee M18 Compatible 18V Battery Build Kit – 5-Cell 18650 – No Cells","description":"\u003ch2\u003eMilwaukee M18 Compatible 18V Battery Build Kit – 5-Cell 18650\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBuild a complete Milwaukee M18 compatible 18V battery pack using five 18650 lithium-ion cells.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis DIY battery build kit includes a new battery housing, circuit board, cell holder, conductive metal pieces, wiring, hardware, battery-level indicator components, and the internal parts shown in the product photos.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBattery cells are not included.\u003c\/strong\u003e This kit is intended for experienced users who will supply, test, match, install, and connect their own lithium-ion cells.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThis is a battery build kit, not an OEM-style rebuild kit.\u003c\/strong\u003e The included housing and internal components are designed to work together as one complete matched set. The internal components may differ in size, shape, or layout from the parts inside an original Milwaukee battery and are not intended as individual replacement parts for an original OEM battery housing.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with Milwaukee M18 18V tools and compatible chargers\u003c\/li\u003e\n  \u003cli\u003eDesigned for five 18650 lithium-ion cells\u003c\/li\u003e\n  \u003cli\u003e5-cell, 5S1P battery configuration\u003c\/li\u003e\n  \u003cli\u003eIncludes a new battery housing\u003c\/li\u003e\n  \u003cli\u003eIncludes battery management circuit board\u003c\/li\u003e\n  \u003cli\u003eIncludes molded cell holder\u003c\/li\u003e\n  \u003cli\u003eIncludes conductive metal pieces and electrical contacts\u003c\/li\u003e\n  \u003cli\u003eIncludes wiring, springs, screws, insulation, labels, and assembly hardware\u003c\/li\u003e\n  \u003cli\u003eIncludes battery-level indicator components\u003c\/li\u003e\n  \u003cli\u003eFinished capacity depends on the cells selected\u003c\/li\u003e\n  \u003cli\u003eBattery cells are not included\u003c\/li\u003e\n  \u003cli\u003eAssembly service is not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBattery Capacity\u003c\/h3\u003e\n\n\u003cp\u003eBecause this kit uses a 5S1P configuration, the finished battery capacity will be approximately equal to the rated capacity of the individual 18650 cells used.\u003c\/p\u003e\n\n\u003cp\u003eFor example, five properly matched 3,000mAh cells would create a battery pack with a nominal capacity of approximately 3.0Ah. Actual capacity, output current, runtime, and performance depend on the cells selected and the quality of the completed assembly.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Is Included\u003c\/h3\u003e\n\n\u003cp\u003eThe kit includes the upper and lower battery housing, internal cell holder, circuit board, conductive metal pieces, electrical contacts, wiring, springs, screws, insulation materials, battery-level indicator components, labels, and the other parts shown in the product photos.\u003c\/p\u003e\n\n\u003cp\u003ePlease review all product photos carefully for the exact components included.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Is Not Included\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e18650 lithium-ion cells\u003c\/li\u003e\n  \u003cli\u003eSpot welder\u003c\/li\u003e\n  \u003cli\u003eBattery charger\u003c\/li\u003e\n  \u003cli\u003ePower tool\u003c\/li\u003e\n  \u003cli\u003eBattery assembly service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAssembly Requirements\u003c\/h3\u003e\n\n\u003cp\u003eThis product is intended for experienced users familiar with lithium-ion battery construction, cell testing, cell matching, insulation, polarity, series connections, BMS wiring, and safe battery assembly.\u003c\/p\u003e\n\n\u003cp\u003eThe buyer is responsible for selecting suitable high-drain 18650 cells with the correct voltage, capacity, discharge rating, chemistry, and specifications for the intended application.\u003c\/p\u003e\n\n\u003cp\u003eUse only properly tested and closely matched cells. Do not mix cells of different brands, models, capacities, ages, voltage levels, chemistry, or condition.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Safety Information\u003c\/h3\u003e\n\n\u003cp\u003eImproper lithium-ion battery assembly can cause fire, personal injury, equipment damage, or property damage. Proper tools, insulation, testing equipment, safety procedures, and battery-building experience are required.\u003c\/p\u003e\n\n\u003cp\u003eAlways verify cell orientation, polarity, wiring, insulation, pack voltage, and output voltage before connecting the completed battery to a tool or charger.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Parts and Resources\u003c\/h3\u003e\n\n\u003cp\u003eFor additional battery-building parts, 18650 cells, conductive materials, connectors, cell holders, and BMS boards, visit \u003cstrong\u003eRenewSpark\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eFor helpful battery tools, calculators, technical information, and additional resources, download the \u003cstrong\u003eRenewSpark Tools app\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMilwaukee and M18 are trademarks of their respective owner. This compatible product is independently manufactured and is not produced, sponsored, or endorsed by Milwaukee.\u003c\/strong\u003e\u003c\/p\u003e","brand":"RenewSpark","offers":[{"title":"Default Title","offer_id":49411398009059,"sku":"MIL-M18-18650-5C-BUILD","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7594\/8771\/files\/IMG_7627.jpg?v=1784131402","url":"https:\/\/renewspark.com\/products\/milwaukee-m18-18v-5-cell-18650-battery-build-kit","provider":"RenewSpark","version":"1.0","type":"link"}