{"product_id":"18v-20v-to-12v-step-down-converter-makita-milwaukee-bosch-craftsman","title":"18V–20V to 12V Step-Down Converter | Makita Milwaukee Bosch","description":"\n\u003ch2\u003e18V–20V to 12V Step-Down Power Adapter for Makita, Milwaukee, Bosch \u0026amp; Craftsman Batteries\u003c\/h2\u003e\n\u003cp\u003eTurn your existing 18V or 20V lithium-ion power tool battery into a dependable 12V DC power source for automotive accessories and outdoor devices. This adjustable step-down voltage converter is engineered for Makita, Milwaukee, Bosch, and Craftsman battery platforms, delivering up to 10A of steady output current at ≥95% efficiency — all without the need for a vehicle engine running.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e DC 18V – 20V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e DC 12V (fixed) \/ DC 5V–13V (adjustable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Output Current:\u003c\/strong\u003e 10A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e ≥ 95%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Interface:\u003c\/strong\u003e Cigarette lighter socket (12V standard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWire Gauge:\u003c\/strong\u003e 16 AWG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e Fireproof PC+ABS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWide Battery Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMilwaukee 18V:\u003c\/strong\u003e 48-11-1820, 48-11-1828, 48-11-1835, 48-11-1840, 48-11-1850, 48-11-1852, 48-11-1860, 48-11-1862, 48-11-1865, 48-11-1880 and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMakita 18V:\u003c\/strong\u003e BL1820, BL1820B, BL1815B, BL1835, BL1840B, BL1845, BL1845B, BL1830B, BL1850B, BL1860, LXT-400, 194205-3, 194204-5 and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBosch 18V GPA:\u003c\/strong\u003e BAT607, BAT607G, BAT609, BAT609G, BAT614, BAT614G, BAT618, BAT618G, BAT622 and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCraftsman V20 (20V MAX):\u003c\/strong\u003e CMCB201, CMCB202, CMCB202-2, CMCB204, CMCB204-2, CMCB204-OPE, CMCB209 and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Step-Down Converter?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Layer Circuit Protection:\u003c\/strong\u003e Built-in over-current, short-circuit, over-load, no-load auto power-off, and low-voltage protection keeps both battery and connected devices safe.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvenient Cigarette Lighter Output:\u003c\/strong\u003e Plug-and-play 12V socket lets you connect car appliances — tire inflators, coolers, dash cams, LED light bars — instantly with no complicated wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality, Fire-Resistant Build:\u003c\/strong\u003e Fireproof PC+ABS shell, 16 AWG copper wires, and an efficient internal cooling design ensure long-term durability under regular and demanding use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSnug, Tool-Free Fit:\u003c\/strong\u003e Precision-engineered battery connector seats firmly on your battery pack and releases easily — no tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use Cases:\u003c\/strong\u003e Camping, tailgating, off-grid worksites, roadside emergencies, and any situation where a 12V power source is needed without access to a vehicle or wall outlet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 18V–20V to 12V Step-Down Converter (battery not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on electrical safety standards for power conversion devices, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: Which battery brands and models are compatible with this 18V to 12V step-down converter?\u003c\/h4\u003e\n\u003cp\u003eA: This step-down converter is compatible with 18V\/20V lithium-ion batteries from Milwaukee (M18 series such as 48-11-1850), Makita (18V LXT series such as BL1850B), Bosch (18V GPA series such as BAT609), and Craftsman (V20 MAX series such as CMCB204). Please check the full model list in the compatibility section above to confirm your specific battery model.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What devices can I power with this step-down converter?\u003c\/h4\u003e\n\u003cp\u003eA: The 12V cigarette lighter output lets you power any standard 12V car accessory — including portable tire inflators, 12V coolers and refrigerators, LED work lights, dash cameras, air compressors, and more — directly from your power tool battery, making it ideal for job sites, camping trips, and outdoor activities.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is there any protection against short circuits or overcurrent?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The converter features built-in multi-layer protection including over-current protection, short-circuit protection, over-load protection, automatic no-load power-off, and low-voltage cut-off to safeguard both your battery and your connected devices during operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this converter include a battery?\u003c\/h4\u003e\n\u003cp\u003eA: No. The package includes only the step-down converter adapter unit. Batteries (Makita, Milwaukee, Bosch, or Craftsman) must be purchased separately and are not included.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this converter with both 18V and 20V batteries?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The input voltage range is DC 18V–20V, so it works seamlessly with both 18V tool batteries (Makita, Milwaukee, Bosch) and 20V MAX batteries (Craftsman), converting the input down to a stable 12V DC output.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which battery brands and models are compatible with this 18V to 12V step-down converter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This step-down converter is compatible with 18V\/20V lithium-ion batteries from Milwaukee (M18 series such as 48-11-1850), Makita (18V LXT series such as BL1850B), Bosch (18V GPA series such as BAT609), and Craftsman (V20 MAX series such as CMCB204). 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The input voltage range is DC 18V–20V, so it works seamlessly with both 18V tool batteries (Makita, Milwaukee, Bosch) and 20V MAX batteries (Craftsman), converting the input down to a stable 12V DC output.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Fasteners \u0026 Electrical\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/fasteners-electrical\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"18V–20V to 12V Step-Down Converter | Makita Milwaukee Bosch\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/18v-20v-to-12v-step-down-converter-makita-milwaukee-bosch-craftsman\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"For Craftsman","offer_id":48749771751616,"sku":"14:200006151#For Craftsman","price":77.99,"currency_code":"USD","in_stock":true},{"title":"For Makita","offer_id":48749771784384,"sku":"14:2904#For Makita","price":77.99,"currency_code":"USD","in_stock":true},{"title":"For Milwaukee","offer_id":48749771817152,"sku":"14:351074#For Milwaukee","price":77.99,"currency_code":"USD","in_stock":true},{"title":"For Bosch","offer_id":48749771849920,"sku":"14:200004890#For Bosch","price":77.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/S5123b5425737420ab90e1fe3f239d679I.webp?v=1786208672","url":"https:\/\/vueselect.com\/products\/18v-20v-to-12v-step-down-converter-makita-milwaukee-bosch-craftsman","provider":"Vue","version":"1.0","type":"link"}