{"product_id":"6s-bms-10a-20a-30a-22-2v-li-ion-18650-battery-protection-board-balance","title":"6S BMS 10A\/20A\/30A 22.2V 18650 Li-ion Battery Protection Board","description":"\u003ch2\u003e6S BMS 10A \/ 20A \/ 30A 22.2V Li-ion 18650 Battery Management Protection Board\u003c\/h2\u003e\n\u003cp\u003eKeep your 6-cell lithium-ion battery packs running safely and efficiently with this compact \u003cstrong\u003e6S Battery Management System (BMS)\u003c\/strong\u003e. Designed for 22.2V 18650 Li-ion configurations, this module provides robust overcharge, over-discharge, overcurrent, and short-circuit protection — all while maintaining cell balance for maximum battery longevity and performance.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in three current ratings — \u003cstrong\u003e10A, 20A, and 30A\u003c\/strong\u003e — this BMS is well-suited for DIY battery packs used in speakers, power tools, e-bikes, portable power stations, and other electronics projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6S Configuration:\u003c\/strong\u003e Manages 6 series-connected Li-ion 18650 cells at a nominal 22.2V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Current Options:\u003c\/strong\u003e Choose 10A, 20A, or 30A to match your application's load requirements\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvercharge Protection:\u003c\/strong\u003e Prevents individual cells from exceeding safe voltage limits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOver-Discharge Protection:\u003c\/strong\u003e Cuts off the circuit before cells drop to damaging low voltages\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvercurrent \u0026amp; Short-Circuit Protection:\u003c\/strong\u003e Immediately disconnects under fault conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell Balancing:\u003c\/strong\u003e Actively balances cell voltages for uniform charging and extended pack life\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Control Protection:\u003c\/strong\u003e Built-in thermal monitoring shuts down the board if unsafe temperatures are detected\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Rated from -40°C to +80°C for reliable use in demanding environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact SMD Design:\u003c\/strong\u003e Surface-mount construction keeps the board small and easy to integrate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Manufactured without restricted substances\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6S (6 cells in series)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A \/ 20A \/ 30A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Cells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLi-ion \/ 18650\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\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\/table\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePortable speakers and audio equipment\u003c\/li\u003e\n  \u003cli\u003eDIY 18650 battery packs\u003c\/li\u003e\n  \u003cli\u003ePower tools and cordless devices\u003c\/li\u003e\n  \u003cli\u003ePortable power stations and solar storage\u003c\/li\u003e\n  \u003cli\u003eRC vehicles and robotics\u003c\/li\u003e\n  \u003cli\u003eE-bikes and electric scooters\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\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/clip-on-car-fan-led-display-199-speeds-usb-type-c\"\u003eClip-On Car Fan LED Display 199 Speeds | USB \u0026amp; Type-C\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: What does a 6S BMS do for a Li-ion 18650 battery pack?\u003c\/h4\u003e\n\u003cp\u003eA: A 6S Battery Management System (BMS) monitors and protects each of the 6 series-connected Li-ion cells in your 22.2V battery pack. It prevents overcharging, over-discharging, overcurrent events, and short circuits, while also balancing cell voltages to extend overall pack life and maintain consistent performance.\u003c\/p\u003e\n\u003ch4\u003eQ: Which current rating — 10A, 20A, or 30A — should I choose?\u003c\/h4\u003e\n\u003cp\u003eA: Select your current rating based on the maximum continuous discharge current your application requires. For low-power devices like small speakers, 10A is typically sufficient. For power tools, e-bikes, or higher-drain applications, choose the 20A or 30A version to handle the increased load safely.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this BMS support cell balancing?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This 6S BMS includes built-in cell balancing functionality, which equalizes the voltage across all 6 cells during charging. This prevents individual cells from becoming over- or under-charged, maximizing the capacity and lifespan of your entire battery pack.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this board compatible with standard 18650 Li-ion cells?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this BMS is designed specifically for standard Li-ion 18650 cells arranged in a 6-series configuration (6S). Ensure your total nominal pack voltage matches the 22.2V (6 × 3.7V) specification for proper operation.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a 6S BMS do for a Li-ion 18650 battery pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A 6S Battery Management System (BMS) monitors and protects each of the 6 series-connected Li-ion cells in your 22.2V battery pack. It prevents overcharging, over-discharging, overcurrent events, and short circuits, while also balancing cell voltages to extend overall pack life and maintain consistent performance.\"}}, {\"@type\": \"Question\", \"name\": \"Which current rating — 10A, 20A, or 30A — should I choose?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Select your current rating based on the maximum continuous discharge current your application requires. For low-power devices like small speakers, 10A is typically sufficient. For power tools, e-bikes, or higher-drain applications, choose the 20A or 30A version to handle the increased load safely.\"}}, {\"@type\": \"Question\", \"name\": \"Does this BMS support cell balancing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This 6S BMS includes built-in cell balancing functionality, which equalizes the voltage across all 6 cells during charging. This prevents individual cells from becoming over- or under-charged, maximizing the capacity and lifespan of your entire battery pack.\"}}, {\"@type\": \"Question\", \"name\": \"Is this board compatible with standard 18650 Li-ion cells?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, this BMS is designed specifically for standard Li-ion 18650 cells arranged in a 6-series configuration (6S). Ensure your total nominal pack voltage matches the 22.2V (6 × 3.7V) specification for proper operation.\"}}]}\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:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"6S BMS 10A\/20A\/30A 22.2V 18650 Li-ion Battery Protection Board\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/6s-bms-10a-20a-30a-22-2v-li-ion-18650-battery-protection-board-balance\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"6S 20A BMS","offer_id":44167228162135,"sku":"14:771#6S 20A BMS","price":16.9,"currency_code":"USD","in_stock":true},{"title":"6S 10A BMS","offer_id":44167228194903,"sku":"14:1254#6S 10A BMS","price":14.63,"currency_code":"USD","in_stock":true},{"title":"6S 30A BMS","offer_id":44167228227671,"sku":"14:1052#6S 30A BMS","price":18.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sba56934972dd468e825640d71b7552880.webp?v=1786759728","url":"https:\/\/axlcustomersupport.com\/products\/6s-bms-10a-20a-30a-22-2v-li-ion-18650-battery-protection-board-balance","provider":"Axl","version":"1.0","type":"link"}