{"product_id":"18v-li-ion-battery-adapter-converter-bl1830-bl1840-bl1850-dayi-a3-2106","title":"18V Li-Ion Battery Adapter – BL1830 BL1840 BL1850 \u0026 Dayi A3\/2106","description":"\n\u003ch2\u003e18V Li-Ion Battery Adapter Converter for BL1830, BL1840, BL1850 \u0026amp; Dayi A3\/2106\u003c\/h2\u003e\n\u003cp\u003eUnlock cross-platform compatibility for your 18V power tools with this compact, durable \u003cstrong\u003eLi-Ion Battery Adapter Converter\u003c\/strong\u003e. Designed to bridge the gap between BL1830\/BL1840\/BL1850 battery packs and Dayi A3\/2106 tool platforms (and vice versa), this adapter lets you power more tools with the batteries you already own — no need to buy expensive new battery systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Compatibility:\u003c\/strong\u003e Available in two types — convert Dayi A3\/2106 batteries to run 18V BL-series machines, or convert BL1830\/BL1840\/BL1850 batteries to power Dayi A3\/2106 tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Snaps securely onto your battery with a firm locking fit — red wire to positive terminal, black wire to negative terminal. No tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Power Ready:\u003c\/strong\u003e Built for demanding, high-power applications — handles the full output of 18V Li-ion battery platforms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSturdy Plastic Construction:\u003c\/strong\u003e Lightweight yet durable black plastic housing protects internal connections during regular use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e Measures approximately 95 × 74 × 33 mm — minimal bulk added to your setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\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\u003eBattery Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 95 × 74 × 33 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × Battery Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDayi A3\/2106 battery → 18V BL-series machine\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBL1830\/BL1840 battery → Dayi A3\/2106 tools\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 China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Battery Adapter Converter (battery not included)\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 product images due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow a slight measurement deviation (±1–2 mm) for listed dimensions.\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 guidance on safe handling and use of lithium-ion batteries in power tools, refer to the U.S. Consumer Product Safety Commission (CPSC) – Lithium-Ion Battery Safety.\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: Will this battery adapter converter work with all BL1830, BL1840, and BL1850 batteries?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter is designed to be compatible with standard 18V Li-ion BL1830, BL1840, and BL1850 battery packs. Please check the type (A or B) before ordering to ensure you select the correct conversion direction for your specific tools.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the battery included with the adapter?\u003c\/h4\u003e\n\u003cp\u003eA: No, the battery is not included. The package contains one (1) battery adapter converter only. You will need your existing 18V Li-ion battery pack to use with this adapter.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I install this adapter safely?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is straightforward — align the adapter with your battery pack and press it firmly until it locks into place. Connect the red wire to the positive terminal and the black wire to the negative terminal. Always ensure the tool is powered off before connecting or disconnecting the adapter.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this adapter suitable for high-power tools?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This adapter is built for high-power applications and can handle the full output of an 18V Li-ion battery platform, making it suitable for a wide range of power tools.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Will this battery adapter converter work with all BL1830, BL1840, and BL1850 batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adapter is designed to be compatible with standard 18V Li-ion BL1830, BL1840, and BL1850 battery packs. Please check the type (A or B) before ordering to ensure you select the correct conversion direction for your specific tools.\"}}, {\"@type\": \"Question\", \"name\": \"Is the battery included with the adapter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the battery is not included. The package contains one (1) battery adapter converter only. You will need your existing 18V Li-ion battery pack to use with this adapter.\"}}, {\"@type\": \"Question\", \"name\": \"How do I install this adapter safely?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Installation is straightforward — align the adapter with your battery pack and press it firmly until it locks into place. Connect the red wire to the positive terminal and the black wire to the negative terminal. Always ensure the tool is powered off before connecting or disconnecting the adapter.\"}}, {\"@type\": \"Question\", \"name\": \"Is this adapter suitable for high-power tools?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This adapter is built for high-power applications and can handle the full output of an 18V Li-ion battery platform, making it suitable for a wide range of power tools.\"}}]}\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\": \"18V Li-Ion Battery Adapter – BL1830 BL1840 BL1850 \u0026 Dayi A3\/2106\", \"item\": \"https:\/\/oasis-select.com\/products\/18v-li-ion-battery-adapter-converter-bl1830-bl1840-bl1850-dayi-a3-2106\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"for bl1830 battery","offer_id":47748727439465,"sku":"14:2904#for bl1830 battery","price":10.54,"currency_code":"USD","in_stock":true},{"title":"for 2106 battery","offer_id":47748727472233,"sku":"14:1202#for 2106 battery","price":10.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sd83fdd85443045938307bc79b4180507B.webp?v=1783087977","url":"https:\/\/oasis-select.com\/products\/18v-li-ion-battery-adapter-converter-bl1830-bl1840-bl1850-dayi-a3-2106","provider":"Oasis Select","version":"1.0","type":"link"}