{"product_id":"3s-60a-bms-11-1v-lithium-battery-protection-board-18650","title":"3S 60A BMS 11.1V Li-ion Battery Protection Board for 18650","description":"\n\u003ch2\u003e3S 60A BMS 11.1V Lithium Battery Protection Board with Balance — For 18650 Battery Packs\u003c\/h2\u003e\n\n\u003cp\u003eKeep your 3-cell lithium battery pack running safely and efficiently with this high-performance \u003cstrong\u003e3S 60A Battery Management System (BMS)\u003c\/strong\u003e. Designed for 18650 and similar lithium battery configurations, this compact protection board delivers continuous 60A output, intelligent cell balancing, and a full suite of safety protections — all in one reliable module. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Current Capability:\u003c\/strong\u003e Supports continuous 60A operating current with up to 110A instantaneous peak current for demanding applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Cell Balancing:\u003c\/strong\u003e Automatically balances individual cells at 4.125V (±25mA) to equalise charge across all cells, extending overall battery pack cycle life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Protection Suite:\u003c\/strong\u003e Safeguards against overcharge, over-discharge, discharge overcurrent, charging overcurrent, short circuit, open circuit, and overtemperature conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Standby Current:\u003c\/strong\u003e Only 15µA static power consumption — ideal for applications where the battery sits idle for extended periods.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable 12.6V Full-Charge Output:\u003c\/strong\u003e Specifically engineered for 3-cell (3S) lithium battery packs with a fully charged voltage of 12.6V–13V.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Precision Detection Circuit:\u003c\/strong\u003e Accurate voltage sensing ensures protection thresholds are triggered reliably and consistently.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWired Connection:\u003c\/strong\u003e Simple wired integration into existing battery pack assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3S (3-cell series)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e11.1V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFull Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e12.6V – 13V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e60A continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInstantaneous Max Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e110A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOvercharge Protection Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e4.25V ±15mA (per cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOver-Discharge Protection Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e2.7V ±50mA (per cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBalancing Activation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e4.125V ±25mA (per cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eStatic Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e15µA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBelow 50V AC \/ 75V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eConnection Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eWired\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePackage Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1 \/ 2 \/ 3 pcs (as selected)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Protected?\u003c\/h3\u003e\n\u003cp\u003eThis BMS board monitors and protects against \u003cstrong\u003e8 types of fault conditions\u003c\/strong\u003e: overcharge, over-discharge, cell balancing imbalance, open circuit, discharge overcurrent, short circuit, charging overcurrent, and overtemperature. This level of multi-layer protection makes it suitable for e-bikes, DIY power tools, portable power stations, RC vehicles, solar energy storage, and other high-demand lithium battery applications.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-5l-portable-hydrogen-water-bottle-hydrogen-rich-sports-kettle-1\"\u003e1.5L Hydrogen Water Bottle – Portable Hydrogen-Rich Sports Kettle\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-shank-wire-twister-drill-attachment-rebar-tie-tool\"\u003e1\/4\" Hex Shank Wire Twister Drill Attachment | Rebar Tie Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-drive-wheel-protector-impact-socket-set-storage-case\"\u003e1\/2\" Drive Wheel Protector Impact Socket Set + Storage Case\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Standards Reference\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe handling and storage of lithium-ion batteries, refer to the U.S. Consumer Product Safety Commission (CPSC) – Lithium-Ion Battery Safety resource.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to manual measurement, a dimensional tolerance of approximately ±5mm may exist. Slight colour variation between product images and the actual item may occur due to lighting conditions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Battery_management_system\" target=\"_blank\" rel=\"noopener\"\u003eBattery management system\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What does a 3S BMS protection board do for an 18650 battery pack?\u003c\/h4\u003e\n\u003cp\u003eA: A 3S BMS (Battery Management System) protection board monitors and manages a series-connected 3-cell lithium battery pack (such as those built from 18650 cells). It actively balances cell voltages during charging, and triggers automatic cutoffs if any cell experiences overcharge (above 4.25V), over-discharge (below 2.7V), overcurrent, short circuit, or overtemperature conditions — keeping your battery pack safe and maximising its usable lifespan.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What applications is this 3S 60A BMS board suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This board is well-suited for high-drain applications that use 11.1V (3S) lithium battery packs, including electric scooters, e-bikes, power tool battery packs, DIY portable power stations, robotics, RC vehicles, and solar storage systems. Its 60A continuous and 110A instantaneous current ratings make it capable of handling demanding loads reliably.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the cell balancing function work on this BMS?\u003c\/h4\u003e\n\u003cp\u003eA: The board's balancing circuit activates when any individual cell reaches 4.125V (±25mA) during charging. It redistributes charge to ensure all three cells in the series pack reach their full voltage evenly. This prevents weaker cells from being over-stressed, which extends the overall cycle life and maintains consistent capacity of the entire battery pack over time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this BMS board for both charging and discharging?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This is a combined charge\/discharge BMS. It monitors and protects the battery pack during both the charging phase (overcharge, charging overcurrent) and the discharging phase (over-discharge, discharge overcurrent, short circuit), making it a fully integrated solution for 3S lithium battery management.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a 3S BMS protection board do for an 18650 battery pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A 3S BMS (Battery Management System) protection board monitors and manages a series-connected 3-cell lithium battery pack (such as those built from 18650 cells). It actively balances cell voltages during charging, and triggers automatic cutoffs if any cell experiences overcharge (above 4.25V), over-discharge (below 2.7V), overcurrent, short circuit, or overtemperature conditions — keeping your battery pack safe and maximising its usable lifespan.\"}}, {\"@type\": \"Question\", \"name\": \"What applications is this 3S 60A BMS board suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board is well-suited for high-drain applications that use 11.1V (3S) lithium battery packs, including electric scooters, e-bikes, power tool battery packs, DIY portable power stations, robotics, RC vehicles, and solar storage systems. 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It monitors and protects the battery pack during both the charging phase (overcharge, charging overcurrent) and the discharging phase (over-discharge, discharge overcurrent, short circuit), making it a fully integrated solution for 3S lithium battery management.\"}}]}\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:\/\/0i45ne-c8.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Fasteners \u0026 Electrical\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/collections\/fasteners-electrical\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"3S 60A BMS 11.1V Li-ion Battery Protection Board for 18650\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/products\/3s-60a-bms-11-1v-lithium-battery-protection-board-18650\"}]}\u003c\/script\u003e","brand":"Zpaxo","offers":[{"title":"3PCS","offer_id":54190111129910,"sku":"14:200004891#3PCS","price":85.94,"currency_code":"USD","in_stock":true},{"title":"1PC","offer_id":54190111162678,"sku":"14:200004889#1PC","price":85.94,"currency_code":"USD","in_stock":true},{"title":"2PCS","offer_id":54190111195446,"sku":"14:200004890#2PCS","price":85.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/7774\/3158\/files\/S6feef40433b8405c81e1f50c0ecab4eav.webp?v=1783278740","url":"https:\/\/0i45ne-c8.myshopify.com\/products\/3s-60a-bms-11-1v-lithium-battery-protection-board-18650","provider":"Zpaxo","version":"1.0","type":"link"}