{"product_id":"battery-adapter-converter-dayi-a3-18v-cordless-power-tools","title":"Battery Adapter Converter for Dayi A3 \u0026 18V Cordless Tools","description":"\n\u003ch2\u003eDayi A3 \u0026amp; 18V Cordless Power Tool Battery Adapter Converter\u003c\/h2\u003e\n\u003cp\u003eBreathe new life into your cordless power tool setup with this plug-and-play \u003cstrong\u003eBattery Adapter Converter\u003c\/strong\u003e. Designed for seamless compatibility between Dayi A3 batteries and standard 18V cordless power tools — and vice versa — this compact adapter eliminates costly battery replacements and keeps your workflow uninterrupted. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Mode Compatibility:\u003c\/strong\u003e Available in two configurations — \u003cem\u003eModel A\u003c\/em\u003e: use a standard 18V battery (BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815 and other compatible batteries) in a Dayi power tool; \u003cem\u003eModel B\u003c\/em\u003e: use a Dayi battery in a standard 18V power tool.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Battery Support:\u003c\/strong\u003e Compatible with BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815, and other compatible 18V Li-ion battery series.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS \u0026amp; PC Construction:\u003c\/strong\u003e Built from tough ABS and polycarbonate (PC) plastic for long-lasting resilience under demanding workshop and job-site conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Small form factor makes it easy to toss in your toolbox or carry bag — always ready when you need it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue Plug-and-Play:\u003c\/strong\u003e No additional tools, wiring, or complicated setup required. Simply connect and get to work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Power Delivery:\u003c\/strong\u003e Maintains consistent power output for stable, efficient operation of your cordless tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS + PC Plastic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCordless Power Tool Battery Adapter Converter\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS and PC Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18V battery → Dayi power tool\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDayi battery → 18V power tool\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Power Tool Battery Adapter Converter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual color may vary slightly from images due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow minor measurement deviations due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-25mm-1000-turn-precision-copper-inductor-coil-diy-electronics\"\u003e0.25mm 1000-Turn Precision Copper Inductor Coil for DIY Circuits\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general power tool and electrical safety guidelines, visit the U.S. Consumer Product Safety Commission (CPSC) for best practices when working with cordless power tools and batteries.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Anker\" target=\"_blank\" rel=\"noopener\"\u003eAnker\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between Model A and Model B of this battery adapter converter?\u003c\/h4\u003e\n\u003cp\u003eA: Model A allows you to use a standard 18V Li-ion battery (such as BL1850, BL1860B, and compatible series) in a Dayi A3 cordless power tool. Model B does the reverse — it lets you use a Dayi A3 battery in a standard 18V cordless power tool. Choose the model that matches your setup.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this adapter compatible with all BL-series 18V batteries?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this adapter is designed to work with BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815, and other compatible 18V Li-ion batteries. Always verify your specific battery terminal layout before use.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this adapter require any tools or modifications to install?\u003c\/h4\u003e\n\u003cp\u003eA: No. This is a true plug-and-play battery adapter converter. Simply slide it into place as you would a standard battery — no extra tools, wiring, or modifications needed.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is the adapter made from, and how durable is it?\u003c\/h4\u003e\n\u003cp\u003eA: The adapter is constructed from ABS and polycarbonate (PC) plastic, both of which are known for their toughness and impact resistance, making this converter well-suited for regular use in workshop and job-site environments.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between Model A and Model B of this battery adapter converter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Model A allows you to use a standard 18V Li-ion battery (such as BL1850, BL1860B, and compatible series) in a Dayi A3 cordless power tool. Model B does the reverse — it lets you use a Dayi A3 battery in a standard 18V cordless power tool. Choose the model that matches your setup.\"}}, {\"@type\": \"Question\", \"name\": \"Is this adapter compatible with all BL-series 18V batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — this adapter is designed to work with BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815, and other compatible 18V Li-ion batteries. Always verify your specific battery terminal layout before use.\"}}, {\"@type\": \"Question\", \"name\": \"Does this adapter require any tools or modifications to install?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This is a true plug-and-play battery adapter converter. Simply slide it into place as you would a standard battery — no extra tools, wiring, or modifications needed.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the adapter made from, and how durable is it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The adapter is constructed from ABS and polycarbonate (PC) plastic, both of which are known for their toughness and impact resistance, making this converter well-suited for regular use in workshop and job-site environments.\"}}]}\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:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/oasis-select.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Battery Adapter Converter for Dayi A3 \u0026 18V Cordless Tools\", \"item\": \"https:\/\/oasis-select.com\/products\/battery-adapter-converter-dayi-a3-18v-cordless-power-tools\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"B","offer_id":47748710989929,"sku":"14:2904#B","price":10.75,"currency_code":"USD","in_stock":true},{"title":"A","offer_id":47748711022697,"sku":"14:1202#A","price":10.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Se9e526d497624354a982cd09d1180330p.webp?v=1783087792","url":"https:\/\/oasis-select.com\/products\/battery-adapter-converter-dayi-a3-18v-cordless-power-tools","provider":"Oasis Select","version":"1.0","type":"link"}