{"product_id":"battery-adapter-converter-mt-dayi-a3-bl1850-bl1860b-cordless-power-tools","title":"Battery Adapter Converter for MT \u0026 Dayi A3 Cordless Power Tools","description":"\n\u003ch2\u003eUniversal Battery Adapter Converter for MT \u0026amp; Dayi A3 Cordless Power Tools\u003c\/h2\u003e\n\u003cp\u003eUpgrade your cordless power tool setup with this versatile \u003cstrong\u003eBattery Adapter Converter\u003c\/strong\u003e. Designed to bridge compatibility between MT (BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815) batteries and Dayi A3 power tools — and vice versa — this compact adapter lets you use the batteries you already own across more of your tools. No rewiring, no hassle, just plug and work. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Works seamlessly with MT BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815, and other compatible Li-ion batteries for a wide range of cordless power tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Conversion Modes:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eModel A:\u003c\/strong\u003e Use MT batteries in Dayi electric machines\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eModel B:\u003c\/strong\u003e Use Dayi batteries in MT electric machines\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS + PC Construction:\u003c\/strong\u003e Built from high-quality ABS and polycarbonate (PC) plastic for lasting resilience under demanding workshop and job-site conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Lightweight and small form factor makes it easy to carry in your tool bag — always ready when you need it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Installation:\u003c\/strong\u003e Simple, tool-free setup gets you up and running in seconds. No complicated configurations required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Power Delivery:\u003c\/strong\u003e Ensures consistent, optimized energy transfer from battery to tool for efficient, uninterrupted operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS + 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\u003eCompatible Batteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMT BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, BL1815 \u0026amp; Dayi A3\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMT battery → Dayi electric machine\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 → MT electric machine\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\u003ePlease Note\u003c\/h3\u003e\n\u003cp\u003eActual color may vary slightly from product images due to monitor brightness and lighting conditions. Please allow for minor measurement tolerances.\u003c\/p\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\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\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 best practices, visit the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety Resource Center\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which battery models are compatible with this cordless tool battery adapter converter?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter is compatible with MT series batteries including BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, and BL1815, as well as Dayi A3 batteries. Always verify your specific tool and battery model before purchasing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between Model A and Model B?\u003c\/h4\u003e\n\u003cp\u003eA: Model A allows you to use MT Li-ion batteries in Dayi electric machines. Model B allows you to use Dayi batteries in MT electric machines. Choose the model that matches your battery-to-tool conversion direction.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this battery adapter difficult to install?\u003c\/h4\u003e\n\u003cp\u003eA: Not at all — it's a plug-and-play design. Simply slide the adapter into the battery slot of your cordless power tool. No extra tools or technical expertise are required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is this adapter made from?\u003c\/h4\u003e\n\u003cp\u003eA: The adapter is constructed from durable ABS and polycarbonate (PC) plastic, offering a solid balance of lightweight portability and toughness for regular workshop use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which battery models are compatible with this cordless tool battery adapter converter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adapter is compatible with MT series batteries including BL1850, BL1860B, BL1855, BL1840, BL1830, BL1820B, and BL1815, as well as Dayi A3 batteries. 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No extra tools or technical expertise are required.\"}}, {\"@type\": \"Question\", \"name\": \"What material is this adapter made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The adapter is constructed from durable ABS and polycarbonate (PC) plastic, offering a solid balance of lightweight portability and toughness for regular workshop use.\"}}]}\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 MT \u0026 Dayi A3 Cordless Power Tools\", \"item\": \"https:\/\/oasis-select.com\/products\/battery-adapter-converter-mt-dayi-a3-bl1850-bl1860b-cordless-power-tools\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"B","offer_id":47748767711337,"sku":"14:2904#B","price":9.99,"currency_code":"USD","in_stock":true},{"title":"A","offer_id":47748767744105,"sku":"14:1202#A","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S3ab8d660839f4cd9917f213c73bd7f9dV.webp?v=1783088407","url":"https:\/\/oasis-select.com\/products\/battery-adapter-converter-mt-dayi-a3-bl1850-bl1860b-cordless-power-tools","provider":"Oasis Select","version":"1.0","type":"link"}