{"product_id":"5a-lithium-battery-active-equalizer-balancer-board-3s-4s-6s-8s-bms","title":"5A Active Battery Equalizer Balancer Board 3S 4S 6S 8S BMS","description":"\u003ch2\u003eLOTHYE 5A Active Battery Equalizer Balancer Board – 3S \/ 4S \/ 6S \/ 8S\u003c\/h2\u003e\n\u003cp\u003eKeep your lithium battery pack running at peak efficiency with the LOTHYE Active Equalizer Balancer Board. Using advanced capacitive charge-transfer technology, this BMS balancer board automatically redistributes energy between cells, extending overall pack life and maintaining consistent cell voltages across 3S, 4S, 6S, and 8S configurations.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with Li-ion, LiPo, LiFePO4, and LTO (Lithium Titanate) chemistries — all within a working voltage range of \u003cstrong\u003e1.8V to 4.5V\u003c\/strong\u003e. Ideal for battery packs between \u003cstrong\u003e60–300 Ah\u003c\/strong\u003e capacity.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Capacitive Balancing:\u003c\/strong\u003e Transfers charge carriers between cells for smooth, efficient equalization — no energy wasted as heat.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Equalization Current:\u003c\/strong\u003e Up to 5.5A balancing current (current scales with cell count for optimal efficiency).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Internal Resistance MOSFETs:\u003c\/strong\u003e Premium new-generation MOS components paired with 2OZ copper-thickness PCB for minimal losses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Voltage Accuracy:\u003c\/strong\u003e Balance voltage accuracy within ±5mV for tightly matched cell voltages.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnder-Voltage Sleep Protection:\u003c\/strong\u003e Automatically enters sleep mode when any cell drops below 3.0V; standby current \u0026lt;0.1mA to protect your pack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDormant Switch Wiring Position:\u003c\/strong\u003e Reserved wiring position for a sleep\/shutdown switch for added flexibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Quiescent Current:\u003c\/strong\u003e ~12mA operating current — minimal drain on your battery system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets CE safety and compliance standards.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in China.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Configurations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3S, 4S, 6S, 8S\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Chemistries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLi-ion, LiPo, LiFePO4, LTO\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.8V – 4.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Equalization Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 5.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBalance Voltage Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin ±5mV\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuiescent Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~12mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSleep Mode Standby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnder-Voltage Sleep Threshold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Battery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 – 300Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Copper Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2OZ\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery \/ Charger Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eGreat Pairings for Your Electronics Projects\u003c\/h3\u003e\n\u003cp\u003eIf you enjoy DIY electronics builds, you may also like:\u003c\/p\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\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: Which battery chemistries is this active equalizer balancer board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This LOTHYE active balancer board is compatible with Li-ion, LiPo (Lithium Polymer), LiFePO4 (Lithium Iron Phosphate), and LTO (Lithium Titanate) battery chemistries, as long as the working voltage is within the 1.8V–4.5V per-cell range.\u003c\/p\u003e\n\u003ch4\u003eQ: What cell configurations (S ratings) does this BMS balancer support?\u003c\/h4\u003e\n\u003cp\u003eA: This board supports 3S, 4S, 6S, and 8S battery pack configurations, making it versatile for a wide range of DIY energy storage, electric vehicle, and solar applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum equalization current and what battery capacity is recommended?\u003c\/h4\u003e\n\u003cp\u003eA: The maximum equalization current is 5.5A, though the actual current adjusts automatically based on the number of cells — the more cells in the pack, the lower the equalization current per cell. The manufacturer recommends using this balancer with battery packs between 60Ah and 300Ah for best results.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the board have any protection features?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The balancer board includes under-voltage sleep protection — it automatically enters sleep mode when cell voltage drops below 3.0V, reducing standby power consumption to less than 0.1mA. A dormant switch wiring position is also reserved for manual sleep\/shutdown control.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which battery chemistries is this active equalizer balancer board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This LOTHYE active balancer board is compatible with Li-ion, LiPo (Lithium Polymer), LiFePO4 (Lithium Iron Phosphate), and LTO (Lithium Titanate) battery chemistries, as long as the working voltage is within the 1.8V–4.5V per-cell range.\"}}, {\"@type\": \"Question\", \"name\": \"What cell configurations (S ratings) does this BMS balancer support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board supports 3S, 4S, 6S, and 8S battery pack configurations, making it versatile for a wide range of DIY energy storage, electric vehicle, and solar applications.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum equalization current and what battery capacity is recommended?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The maximum equalization current is 5.5A, though the actual current adjusts automatically based on the number of cells — the more cells in the pack, the lower the equalization current per cell. The manufacturer recommends using this balancer with battery packs between 60Ah and 300Ah for best results.\"}}, {\"@type\": \"Question\", \"name\": \"Does the board have any protection features?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The balancer board includes under-voltage sleep protection — it automatically enters sleep mode when cell voltage drops below 3.0V, reducing standby power consumption to less than 0.1mA. 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