{"product_id":"src-jk-4211-jkbms-bd6a20s20p-7s-20s-active-balance-bms-balance-current-0-6a-continuous-current-200a-lifepo4-li-ion-lto-battery","title":"JKBMS BD6A20S20P Active Balance BMS 7S-20S, 0.6A Balancer, 200A Continuous, Bluetooth RS485","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 BD6A20S20P is an active balance \u003ca href=\"https:\/\/tsolar.top\/collections\/smart-bms\" title=\"Smart BMS\"\u003esmart BMS\u003c\/a\u003e (battery management system) for multi-series Li-ion, LiFePO4, and LTO battery packs. It supports 7S to 20S battery strings (chemistry-dependent) with 0.6A active balancing and 200A continuous charge\/discharge capability, plus built-in Bluetooth monitoring for Android and iOS.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery strings supported\u003c\/strong\u003e: Li-ion 7S-20S; LiFePO4 8S-20S; LTO 12S-20S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive balancing\u003c\/strong\u003e: Active Balance (Full State On), balance current 600mA (0.6A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh current rating\u003c\/strong\u003e: 200A continuous charge current; 200A continuous discharge current; maximum discharge current 350A (MAX 2min)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Bluetooth\u003c\/strong\u003e: supports Android \/ iOS phone monitoring via the specified Bluetooth application\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunications\u003c\/strong\u003e: RS485 (default); CANBUS\/HEAT (customized)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtections listed\u003c\/strong\u003e: over charge, over discharge, over current, short circuit, “all-in” protection (cable drop\/poor contact), over temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply mode\u003c\/strong\u003e: battery pack self-powered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating\/standby consumption\u003c\/strong\u003e: \u0026lt;5mA (without communication) \/ 15mA (485\/CAN); standby \u0026lt;2mA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor technical selection support, contact service@tsolar.top or visit https:\/\/tsolar.top\/.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eBD6A20S20P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBalance method\u003c\/td\u003e\n\u003ctd\u003eActive Balance (Full State On)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBalance current\u003c\/td\u003e\n\u003ctd\u003e0.6A (600mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of battery strings (Li-ion)\u003c\/td\u003e\n\u003ctd\u003e7S-20S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of battery strings (LiFePO4)\u003c\/td\u003e\n\u003ctd\u003e8S-20S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of battery strings (LTO)\u003c\/td\u003e\n\u003ctd\u003e12S-20S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring output \/ wiring method\u003c\/td\u003e\n\u003ctd\u003eCommon port (same port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous charge current\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous discharge current\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum discharge current\u003c\/td\u003e\n\u003ctd\u003e350A (MAX 2min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver charge protection current (adjustable)\u003c\/td\u003e\n\u003ctd\u003e10-200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductive resistance in main circuit\u003c\/td\u003e\n\u003ctd\u003e0.47mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle cell voltage supported\u003c\/td\u003e\n\u003ctd\u003e1-5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle cell voltage detection range\u003c\/td\u003e\n\u003ctd\u003e0-5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage acquisition accuracy\u003c\/td\u003e\n\u003ctd\u003e±5mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle cell voltage detection error\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;10mV over full operating range; typical \u0026lt;5mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport single cell voltage dropout detection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal voltage detection range\u003c\/td\u003e\n\u003ctd\u003e0-100V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal voltage detection accuracy\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5%FSR (FSR = full scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent sense shunt range\u003c\/td\u003e\n\u003ctd\u003e-150A to 300A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent sense shunt error\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5%FSR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoC estimation accuracy\u003c\/td\u003e\n\u003ctd\u003eError \u0026lt;8% (operating conditions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery remaining capacity accuracy\u003c\/td\u003e\n\u003ctd\u003eError range \u0026lt;8%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Cycle AH cumulative value\u003c\/td\u003e\n\u003ctd\u003eHalf of the charge\/discharge value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating power consumption\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\u003eStandby power consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;2mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eBuilt-in; supports Android \/ iOS phone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther interfaces (default)\u003c\/td\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther interfaces (customized)\u003c\/td\u003e\n\u003ctd\u003eCANBUS\/HEAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature detection range\u003c\/td\u003e\n\u003ctd\u003e-40 to 125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity of temperature detection\u003c\/td\u003e\n\u003ctd\u003e3 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStoring temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 95°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver current detect delay\u003c\/td\u003e\n\u003ctd\u003e2-120S adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver charge protection voltage\u003c\/td\u003e\n\u003ctd\u003e1.2-4.35V adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver charge release voltage\u003c\/td\u003e\n\u003ctd\u003e1.2-4.35V adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver discharge protection voltage\u003c\/td\u003e\n\u003ctd\u003e1.2-4.35V adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver discharge release voltage\u003c\/td\u003e\n\u003ctd\u003e1.2-4.35V adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemp protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort circuit protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoulomb counter\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e162*102*20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003ePorts \/ Pinout Labels\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANBUS\u003c\/strong\u003e (need customization): GND, CAN_H, CAN_L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS485\u003c\/strong\u003e (by default): GND, RX, TX, VCC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD\u003c\/strong\u003e (by default): K-, K+, GND, B, A, VCC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat function\u003c\/strong\u003e (need customization)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLiFePO4 \/ Li-ion \/ LTO battery packs requiring 7S-20S class management (chemistry-dependent)\u003c\/li\u003e\n\u003cli\u003eEnergy storage battery packs needing active balancing and Bluetooth monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"JKBMS active-balance smart BMS product overview graphic with key specs and wiring leads\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S20P-7S-20S-Active-Balance-BMS-Balance-Current.jpg?v=1780117028\"\u003e\u003cp\u003eGet active balancing plus high-current charge\/discharge control in a compact smart BMS designed for multi‑series lithium packs.\u003c\/p\u003e\n\u003cimg alt=\"Active balancing BMS concept graphic highlighting Bluetooth monitoring and multi-string battery support\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S20P-7S-20S-Active-Balance-BMS-Balance-Current_d2a785b1-341d-44d3-ac65-886c7bd6e87f.jpg?v=1780117036\"\u003e\u003cp\u003eBuilt-in Bluetooth makes it easy to check pack status, cell voltages, and alarms from a phone app.\u003c\/p\u003e\n\u003cimg alt=\"Exploded view of the BMS enclosure showing PCB layers, connectors, capacitors, and main power leads\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S20P-7S-20S-Active-Balance-BMS-Balance-Current.png?v=1780117044\"\u003e\u003cp\u003eA layered internal design integrates sensing, balancing, and communication hardware in a rugged case.\u003c\/p\u003e\n\u003cimg alt=\"BMS port pinout close-up showing CAN\/RS485, LCD, GPS headers, and labeled ground\/VCC pins\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S20P-7S-20S-Active-Balance-BMS-Balance-Current_faf25e90-f896-47bf-ba25-8c3a3fc1181f.jpg?v=1780117052\"\u003e\u003cp\u003eClear interface headers simplify system integration via RS485 by default, with CAN and other options available by configuration.\u003c\/p\u003e\n\u003cimg alt=\"Smartphone screen with Bluetooth BMS dashboard showing charge\/discharge current and cell voltage list\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S20P-7S-20S-Active-Balance-BMS-Balance-Current_855f93e9-4fe9-4b8b-951f-ec746b6ded10.jpg?v=1780117059\"\u003e\u003cp\u003eLive readings include current, pack voltage, remaining capacity, and per‑cell voltage data for quick troubleshooting.\u003c\/p\u003e\n\u003cimg alt=\"App screenshots for the BMS showing device list, chemistry selection, and cell voltage monitoring screens\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S20P-7S-20S-Active-Balance-BMS-Balance-Current_010d20fb-e55a-4b61-acc8-75046b228a27.jpg?v=1780117067\"\u003e\u003cimg alt=\"Battery safety protections infographic listing overcharge, overdischarge, short circuit, overcurrent, all-in, overtemp\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S20P-7S-20S-Active-Balance-BMS-Balance-Current_c573781a-a99d-4409-91c4-24dde3a48292.jpg?v=1780117076\"\u003e\u003cimg alt=\"Smart energy mode switching chart for BMS storage, normal working, standby, and shutdown modes\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S20P-7S-20S-Active-Balance-BMS-Balance-Current_81cb22a9-4c6e-41af-b439-ab12938d5975.jpg?v=1780117084\"\u003e\u003cp\u003eSmart working modes help reduce standby drain during storage or long periods of non-use.\u003c\/p\u003e\n\u003cimg alt=\"JKBMS specification comparison table for different models, strings supported, balancing current, and interfaces\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S20P-7S-20S-Active-Balance-BMS-Balance-Current_9c1339b7-f652-447c-8ceb-eb0af393ab47.jpg?v=1780117094\"\u003e\n\u003c\/div\u003e","brand":"JIKONG","offers":[{"title":"Default Title","offer_id":52312379097362,"sku":"jk-4211-","price":103.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/2860\/6994\/files\/JKBMS-7S-24S-Active-Balance-BMS-Balance-Current-0.6A-2A-Continuous-Current-100A-200A-Lifepo4-li-ion-LTO-Battery-5-1_cc0c4b43-9c1b-4f13-a331-905792cedaa8.jpg?v=1780068550","url":"https:\/\/tsolar.top\/products\/src-jk-4211-jkbms-bd6a20s20p-7s-20s-active-balance-bms-balance-current-0-6a-continuous-current-200a-lifepo4-li-ion-lto-battery","provider":"TSolar","version":"1.0","type":"link"}