{"product_id":"20v-li-ion-bms-charging-protection-board-for-dewalt-18v-20v-battery","title":"20V Li-Ion BMS Protection Board for Dewalt 18V\/20V Battery","description":"\n\u003ch2\u003e20V Li-Ion Battery Charging Protection Board for Dewalt 18V\/20V Packs\u003c\/h2\u003e\n\u003cp\u003eKeep your Dewalt 18V\/20V lithium-ion battery packs running safely and reliably with this high-quality \u003cstrong\u003eBMS Charging Protection Board\u003c\/strong\u003e. Designed specifically for 21700-cell 5S Li-Ion battery configurations, this PCB board guards against overcharge, over-discharge, and short-circuit conditions — extending the working life of your rebuilt or repaired battery packs.\u003c\/p\u003e\n\n\u003cp\u003eThis is a professional-grade component intended for experienced battery assemblers and repair technicians who are familiar with Li-Ion cell chemistry and battery pack construction. It is \u003cstrong\u003enot\u003c\/strong\u003e a plug-and-play consumer battery — it is a circuit board used in the assembly and repair process.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Dewalt 18V \/ 20V 21700 Li-Ion battery packs (5S configuration)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Overcharge protection, over-discharge protection, and short-circuit protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e CLI-HR21DWL-5S BMS protection circuit board\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality PCB construction for durability and reliable performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 13 × 7 cm (5.12 × 2.76 in) — compact design fits standard battery housings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo battery, charger, or cells included\u003c\/strong\u003e — protection board only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 20V Li-Ion Battery Charging Protection Board (BMS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis BMS board is ideal for \u003cstrong\u003eDIY battery pack builders, electronics repair technicians, and hobbyists\u003c\/strong\u003e who are experienced in working with Li-Ion cells and battery management systems. It is only suitable for those with practical experience in battery assembly and a solid understanding of lithium-ion battery safety requirements.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant – Great for sealing and protecting components\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-400cm-sealing-tape-faucet-sealing-tape-oil-free-leak-proof-water-pipe-gas-pipeline-sealing-tape\"\u003e1PC 400cm Sealing Tape – Oil-Free, Leak-Proof for Workshop Use\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Workshop Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this BMS protection board compatible with all Dewalt battery models?\u003c\/h4\u003e\n\u003cp\u003eA: This charging protection board (type CLI-HR21DWL-5S) is specifically designed for Dewalt 18V and 20V battery packs that use 21700 Li-Ion cells in a 5S configuration. Please verify your battery pack's cell type and configuration before purchasing to ensure compatibility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this product include batteries or a charger?\u003c\/h4\u003e\n\u003cp\u003eA: No. This listing is for the BMS charging protection circuit board only. No Li-Ion cells, battery pack housing, or charger is included. You will need to source the appropriate 21700 cells and hardware separately for your battery assembly project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can a beginner install this BMS protection board?\u003c\/h4\u003e\n\u003cp\u003eA: This board is intended for users who are already experienced in Li-Ion battery assembly and repair. Working with lithium-ion cells requires knowledge of proper safety procedures. If you are new to battery assembly, we strongly recommend gaining hands-on experience or consulting a professional before attempting installation.\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 this BMS protection board compatible with all Dewalt battery models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This charging protection board (type CLI-HR21DWL-5S) is specifically designed for Dewalt 18V and 20V battery packs that use 21700 Li-Ion cells in a 5S configuration. 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If you are new to battery assembly, we strongly recommend gaining hands-on experience or consulting a professional before attempting installation.\"}}]}\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:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"20V Li-Ion BMS Protection Board for Dewalt 18V\/20V Battery\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/20v-li-ion-bms-charging-protection-board-for-dewalt-18v-20v-battery\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"1","offer_id":67607546921059,"sku":"1005012824082024-1","price":23.73,"currency_code":"USD","in_stock":true},{"title":"2","offer_id":67607546953827,"sku":"1005012824082024-2","price":23.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/Sdb2d7516094244bda9130af518d38923Q.webp?v=1790767511","url":"https:\/\/nixiehaven.com\/products\/20v-li-ion-bms-charging-protection-board-for-dewalt-18v-20v-battery","provider":"Nixie","version":"1.0","type":"link"}