{"product_id":"dca1820-battery-adapter-dewalt-18v-20v-lithium-ion-converter","title":"DCA1820 Battery Adapter for Dewalt 18V–20V Lithium Ion Tools","description":"\u003ch2\u003eDCA1820 Battery Adapter – Convert Dewalt 18V\/20V Lithium Batteries to 18V Ni-Cad \u0026amp; NiMh Tools\u003c\/h2\u003e\n\u003cp\u003eBreathe new life into your Dewalt power tool collection with the \u003cstrong\u003eDCA1820 Battery Adapter\u003c\/strong\u003e. This compact, professional-grade converter lets you use your modern Dewalt 18V\/20V MAX Lithium-Ion battery packs with older Dewalt 18V Ni-Cad and NiMh cordless tools — saving you money and expanding your tool versatility in seconds.\u003c\/p\u003e\n\u003cp\u003eMade in China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the DCA1820 Adapter?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Works seamlessly with Dewalt 18V\/20V MAX Lithium-Ion battery packs on Dewalt 18V Ni-Cad and NiMh power tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug \u0026amp; Play Design:\u003c\/strong\u003e Effortlessly install or remove — no tools required. Snap it in and get to work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built from robust ABS + PCBA materials for long-lasting performance in demanding work environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Included:\u003c\/strong\u003e Integrated circuit board (PCBA) for stable, reliable power conversion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Portable:\u003c\/strong\u003e Weighs only 0.21 kg, making it easy to carry on any job site.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets stringent safety and quality standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Batteries:\u003c\/strong\u003e Dewalt 18V \/ 20V MAX Lithium-Ion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Tools:\u003c\/strong\u003e Dewalt 18V Ni-Cad \u0026amp; NiMh Power Tools\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 18V (max initial 20V, measured without load)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS + PCBA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGross Weight:\u003c\/strong\u003e 0.21 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Size:\u003c\/strong\u003e 12.5 × 9 × 11.2 cm (4.92 × 3.54 × 4.4 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DCA1820 Battery Adapter (Adapter Only — Battery \u0026amp; Charger NOT Included)\u003c\/li\u003e\n  \u003cli\u003e1 × User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Important Notices\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThis adapter \u003cstrong\u003eCANNOT be used for battery charging\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eNot compatible with premium batteries or replacement batteries in DC970 and DC759 models.\u003c\/li\u003e\n  \u003cli\u003eAlways use proper, compatible batteries — using incompatible batteries may damage the adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more useful tools and accessories? Check out these popular picks from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Paint Brush – Hand Tool Set\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-professional-heavy-duty-pruning-shears-with-anti-slip-handle-design-suitable-for-trimming-thick-and-sturdy-branches\"\u003e1pc Professional Heavy-Duty Pruning Shears with Anti-Slip Handle\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the DCA1820 battery adapter compatible with all Dewalt 18V tools?\u003c\/h4\u003e\n\u003cp\u003eA: The DCA1820 battery adapter is compatible with most Dewalt 18V Ni-Cad and NiMh cordless power tools. However, it cannot be used with premium batteries or replacement batteries specifically for the DC970 and DC759 models. Always refer to the user manual for the full compatibility list before use.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this adapter to charge my Dewalt battery?\u003c\/h4\u003e\n\u003cp\u003eA: No — the DCA1820 is a \u003cstrong\u003epower conversion adapter only\u003c\/strong\u003e and cannot be used for battery charging. It allows your 18V\/20V MAX Lithium-Ion battery to power 18V Ni-Cad\/NiMh tools, but charging must be done separately using a proper Dewalt charger.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the adapter come with a battery or charger?\u003c\/h4\u003e\n\u003cp\u003eA: No. The package includes only the DCA1820 battery adapter and a user manual. Batteries and chargers are sold separately.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the voltage compatibility of the DCA1820 adapter?\u003c\/h4\u003e\n\u003cp\u003eA: The adapter supports Dewalt 18V\/20V MAX Lithium-Ion battery packs. The nominal voltage is 18V; the maximum initial voltage (measured without load) is 20V, making it fully compatible with Dewalt's 20V MAX battery line for use in 18V tools.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the DCA1820 battery adapter compatible with all Dewalt 18V tools?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DCA1820 battery adapter is compatible with most Dewalt 18V Ni-Cad and NiMh cordless power tools. However, it cannot be used with premium batteries or replacement batteries specifically for the DC970 and DC759 models. 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