{"product_id":"src-jk-2725-jkbms-b1a8s20p-hc-3s-8s-heating-canbus-active-balance-bms-balance-current-1a-continuous-current-200a-lifepo4-li-ion-lto-battery","title":"JKBMS B1A8S20P-HC Active Balance Smart BMS 3S-8S 200A, 1A Balancing, Heating, CANBUS\/RS485, Bluetooth","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/tsolar.top\/collections\/jkbms-jikong-bms\" title=\"JKBMS - JIKONG BMS\"\u003eJKBMS\u003c\/a\u003e (JIKONG) B1A8S20P-HC is an active balance \u003ca href=\"https:\/\/tsolar.top\/collections\/smart-bms\" title=\"Smart BMS\"\u003esmart BMS\u003c\/a\u003e for LiFePO4, Li-ion, and LTO battery packs. It supports 3S to 8S battery strings (by chemistry: Li-ion 3S-8S, LiFePO4 4S-8S, LTO 6S-8S), provides 200A continuous charge\/discharge capability, and includes built-in Bluetooth plus RS485\/CANBUS communication options and a built-in battery heating function.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive balancing:\u003c\/strong\u003e 1000 mA (1A), Active Balance (Full State On)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous current:\u003c\/strong\u003e 200A (continuous charge current 200A; continuous discharge current 200A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak discharge:\u003c\/strong\u003e 350A (MAX 2 min)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating support:\u003c\/strong\u003e built-in heating chip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e RS485 (default); CANBUS\/HEAT (customized)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth:\u003c\/strong\u003e built-in; supports Android \/ iOS phone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e common port (same port)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtections and monitoring:\u003c\/strong\u003e short circuit protection, temperature protection, coulomb counter, single-cell voltage dropout detection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow consumption:\u003c\/strong\u003e operating power consumption \u0026lt;5mA (without communication) \/ 15mA (485\/CAN); standby power consumption \u0026lt;2mA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB1A8S20P-HC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported battery chemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLiFePO4 \/ Li-ion \/ LTO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of battery strings (overall)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3S to 8S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of battery strings (Li-ion)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3S-8S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of battery strings (LiFePO4)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4S-8S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of battery strings (LTO)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6S-8S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBalance method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eActive Balance (Full State On)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBalance current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1A (1000mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous charge current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous discharge current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum discharge current (MAX 2 min)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e350A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver charge protection current (ADJ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10-200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConductive resistance in main circuit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.47mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower supply mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe battery pack is self-powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle cell voltage detection range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-5V; error \u0026lt;10mV over full operating range; typical error value \u0026lt;5mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle cell voltage range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage acquisition accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±5mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal voltage detection range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-100V; \u0026lt;0.5%FSR (FSR = full scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent sense shunt\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-150A~300A; error \u0026lt;0.5%FSR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoC estimation accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eError \u0026lt;8% (operating conditions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery remaining capacity accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eError range is less than 8%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Cycle AH cumulative value\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHalf of the charge\/discharge value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver charge protection voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2-4.35V Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver charge release voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2-4.35V Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver discharge protection voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2-4.35V Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver discharge release voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2-4.35V Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver current detect delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2~120S Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature detection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40~125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity of temperature detection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3Pcs\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-40~85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStoring temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40~95°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating power consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;5mA (without communication) \/ 15mA (485\/CAN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby power consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;2mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOther interfaces (default)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOther interfaces (customized)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCANBUS\/HEAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort circuit protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYES\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemp protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYES\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoulomb counter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYES\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupport for Android \u0026amp; iOS phone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e153*136*18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLiFePO4, Li-ion, or LTO battery packs requiring 3S-8S monitoring and active balancing\u003c\/li\u003e\n\u003cli\u003eHigh-current battery systems requiring up to 200A continuous charge\/discharge management\u003c\/li\u003e\n\u003cli\u003eBattery packs requiring Bluetooth monitoring and RS485\/CANBUS communications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor pre-sales selection, wiring guidance, or after-sales support, contact service@tsolar.top or visit https:\/\/tsolar.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"JKBMS active balance BMS unit with product callouts for battery string compatibility and continuous current\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B1A8S20P-HC-3S-8S-Heating-CANBUS-Active-Balance-BMS.jpg?v=1780108755\"\u003e\u003cp\u003eAn active-balance smart BMS platform designed for multi‑series lithium battery packs, with clearly labeled string-range options.\u003c\/p\u003e\n\u003cimg alt=\"JKBMS JK-B2A20S20P-H-C active balance BMS with heating support, RS485 default and CANBUS option\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B1A8S20P-HC-3S-8S-Heating-CANBUS-Active-Balance-BMS_48f689af-113b-4d94-8d58-b65af0019c4d.jpg?v=1780108762\"\u003e\u003cp\u003eBuilt for high-current packs, with active balancing plus communication support (RS485 by default, CANBUS optional) and heating capability.\u003c\/p\u003e\n\u003cimg alt=\"Exploded view of the BMS enclosure showing internal PCB, connectors, and wiring harness layout\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B1A8S20P-HC-3S-8S-Heating-CANBUS-Active-Balance-BMS.png?v=1780108769\"\u003e\u003cp\u003eA layered internal construction pairs the control board and power components inside a compact protective housing.\u003c\/p\u003e\n\u003cimg alt=\"BMS port diagram labeling CAN\/RS485, GPS, LCD and heat-function connector pinouts\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B1A8S20P-HC-3S-8S-Heating-CANBUS-Active-Balance-BMS_31679cf2-22d5-44b2-bde3-d476f62c4e23.jpg?v=1780108777\"\u003e\u003cp\u003eConnector layout helps speed up installation for RS485\/CAN wiring, display connections, and heat-function integration.\u003c\/p\u003e\n\u003cimg alt=\"Bluetooth app screen displaying pack voltage, current, state of charge and individual cell voltages\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B1A8S20P-HC-3S-8S-Heating-CANBUS-Active-Balance-BMS_849725ae-706e-4f4f-a6e1-04a65021c413.jpg?v=1780108784\"\u003e\u003cp\u003eBluetooth monitoring provides live pack data, including total voltage, current, SoC, and per-cell voltage readings.\u003c\/p\u003e\n\u003cimg alt=\"Screenshots of the mobile app for device scan, battery chemistry selection, and cell data status pages\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B1A8S20P-HC-3S-8S-Heating-CANBUS-Active-Balance-BMS_d0615b8e-8281-40f8-bc82-a8bb8e819fa5.jpg?v=1780108791\"\u003e\u003cp\u003eSwitch between chemistry profiles and review cell information directly in the mobile app.\u003c\/p\u003e\n\u003cimg alt=\"Graphic illustrating six protection functions: overcharge, short circuit, overdischarge, overcurrent, all-in, overtemp\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B1A8S20P-HC-3S-8S-Heating-CANBUS-Active-Balance-BMS_73d3e921-c8e3-4922-ba74-2f5880207aac.jpg?v=1780108800\"\u003e\u003cp\u003eA full protection set helps safeguard the battery pack against common fault conditions during charging and discharge.\u003c\/p\u003e\n\u003cimg alt=\"Smart energy working mode chart showing storage mode, normal working mode, standby mode, and shutdown behavior\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B1A8S20P-HC-3S-8S-Heating-CANBUS-Active-Balance-BMS_d7910c83-1c85-404a-b47b-2e0bfc5481d6.jpg?v=1780108809\"\u003e\u003cp\u003ePower modes support long-term storage by reducing consumption, then returning to normal operation when charging starts.\u003c\/p\u003e\n\u003cimg alt=\"Specification table comparing multiple JKBMS models by supported strings, balance current, current ratings, and interfaces\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B1A8S20P-HC-3S-8S-Heating-CANBUS-Active-Balance-BMS_a7c02cdf-806c-454a-a819-3734262b4b9d.jpg?v=1780108817\"\u003e\u003cp\u003eUse the comparison chart to confirm the right model based on series count, balancing current, current rating, and interface options.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"JIKONG","offers":[{"title":"Default Title","offer_id":52312072487186,"sku":"jk-2725-","price":88.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/2860\/6994\/files\/JKBMS-3S-8S-12V-24V-Heating-CANBUS-Active-Balance-BMS-Balance-Current-1A-2A-Continuous-Current-100A-200A-Lifepo4-li-ion-LTO-Battery-9.jpg?v=1780059011","url":"https:\/\/tsolar.top\/products\/src-jk-2725-jkbms-b1a8s20p-hc-3s-8s-heating-canbus-active-balance-bms-balance-current-1a-continuous-current-200a-lifepo4-li-ion-lto-battery","provider":"TSolar","version":"1.0","type":"link"}