{"product_id":"18v-battery-adapter-converter-bl1830-bl1840-bl1850","title":"18V Battery Adapter Converter – BL1830 BL1840 BL1850 Compatible","description":"\n\u003ch2\u003e18V Lithium-Ion Battery Adapter Converter – BL1830 \/ BL1840 \/ BL1850 Compatible\u003c\/h2\u003e\n\u003cp\u003ePower up your high-performance 18V tools with ease using this compact battery adapter converter. Designed to bridge compatibility between Dayi A3\/2106 battery systems and BL1830, BL1840, and BL1850 lithium-ion battery packs, this adapter lets you get the most out of your existing battery inventory without costly upgrades.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 18V lithium-ion batteries — works with BL1830, BL1840, and BL1850 battery packs\u003c\/li\u003e\n  \u003cli\u003eTwo types available: convert Dayi A3\/2106 batteries for use in 18V machines, or convert BL1830\/BL1840 packs for use with Dayi A3\/2106 tools\u003c\/li\u003e\n  \u003cli\u003eClear wiring identification: red wire connects to positive terminal, black wire to negative terminal\u003c\/li\u003e\n  \u003cli\u003eSecure locking mechanism for a firm, stable connection during operation\u003c\/li\u003e\n  \u003cli\u003eIdeal for high-power tool applications\u003c\/li\u003e\n  \u003cli\u003eQuick and easy installation — no special tools required\u003c\/li\u003e\n  \u003cli\u003eCompact and lightweight plastic construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 18V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 95 × 74 × 33 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType A:\u003c\/strong\u003e Converts Dayi A3\/2106 battery for use with 18V machines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType B:\u003c\/strong\u003e Converts BL1830\/BL1840 battery for use with Dayi A3\/2106 tools\u003c\/li\u003e\n\u003c\/ul\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\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eColors may appear slightly different from product images due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow for minor measurement variations (±1–2 mm).\u003c\/li\u003e\n  \u003cli\u003eMade in China.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general guidance on safe use of power tool batteries and electrical components, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety tips.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which battery packs is this 18V adapter converter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter converter is compatible with 18V lithium-ion battery packs, specifically the BL1830, BL1840, and BL1850 series, as well as Dayi A3\/2106 batteries. Two adapter types are available to cover both conversion directions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the 18V battery adapter easy to install?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The adapter features a secure locking mechanism that clicks firmly into place. The red wire connects to the positive terminal and the black wire to the negative terminal, making installation straightforward even for first-time users.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the adapter come with a battery?\u003c\/h4\u003e\n\u003cp\u003eA: No, the package includes only the battery adapter converter (1 piece). Batteries such as the BL1830, BL1840, or BL1850 must be purchased separately.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the dimensions of this battery adapter?\u003c\/h4\u003e\n\u003cp\u003eA: The adapter measures approximately 95 × 74 × 33 mm, making it compact and easy to handle. Please allow for minor measurement deviations of ±1–2 mm.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which battery packs is this 18V adapter converter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adapter converter is compatible with 18V lithium-ion battery packs, specifically the BL1830, BL1840, and BL1850 series, as well as Dayi A3\/2106 batteries. Two adapter types are available to cover both conversion directions.\"}}, {\"@type\": \"Question\", \"name\": \"Is the 18V battery adapter easy to install?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The adapter features a secure locking mechanism that clicks firmly into place. 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