{"product_id":"src-jk-2704-jkbms-bd6a20s15p-7s-20s-active-balance-bms-balance-current-0-6a-continuous-current-150a-lifepo4-li-ion-lto-battery","title":"JKBMS BD6A20S15P Active Balance Smart BMS 7S-20S, 150A Continuous, 0.6A Balancer, 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 BD6A20S15P 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 7S to 20S battery strings (by chemistry) with 150A continuous charge\/discharge current, built-in Bluetooth for Android\/iOS monitoring, and RS485 communication (default).\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive balancing:\u003c\/strong\u003e 600mA (0.6A), Active Balance (Full State On)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported battery strings:\u003c\/strong\u003e Li-ion 7S-20S; LiFePO4 8S-20S; LTO 12S-20S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous current:\u003c\/strong\u003e 150A (charge) \/ 150A (discharge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum discharge current (MAX 2min):\u003c\/strong\u003e 300A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Bluetooth:\u003c\/strong\u003e supports Android \/ iOS phone\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\u003eSame-port wiring:\u003c\/strong\u003e Common Port \/ Same port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection functions (as 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\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eBD6A20S15P\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\u003e600mA (0.6A)\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\u003c\/td\u003e\n\u003ctd\u003eCommon Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply mode\u003c\/td\u003e\n\u003ctd\u003eThe battery pack is self-powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous charge current\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous discharge current\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum discharge current (MAX 2min)\u003c\/td\u003e\n\u003ctd\u003e300A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver charge protection current (ADJ)\u003c\/td\u003e\n\u003ctd\u003e10-150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductive resistance in main circuit\u003c\/td\u003e\n\u003ctd\u003e0.65mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle cell voltage detection range\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\u003eSingle cell voltage range\u003c\/td\u003e\n\u003ctd\u003e1-5V\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\u003eTotal voltage detection range\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\u003eCurrent sense shunt\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\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\u003c\/td\u003e\n\u003ctd\u003eerror range is less than 8%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Cycle AH\u003c\/td\u003e\n\u003ctd\u003eCumulative value is half of the charge\/discharge value\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\u003eOver current detect delay\u003c\/td\u003e\n\u003ctd\u003e2~120S Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity of temperature detection\u003c\/td\u003e\n\u003ctd\u003e3Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature detection\u003c\/td\u003e\n\u003ctd\u003e-40~125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40~85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStoring temperature\u003c\/td\u003e\n\u003ctd\u003e-40~95°C\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\u003eBluetooth function\u003c\/td\u003e\n\u003ctd\u003eSupport for Android \u0026amp; 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\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\u003eSize\u003c\/td\u003e\n\u003ctd\u003e162*102*20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eFor configuration and communication\/interface selection support (RS485, CANBUS\/HEAT), contact \u003ca href=\"mailto:service@tsolar.top\"\u003eservice@tsolar.top\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eBluetooth App (as described)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDownload the specified Bluetooth application and activate the BMS.\u003c\/li\u003e\n\u003cli\u003eOpen the Bluetooth application and find the relevant serial number, then check all the data.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSmart Energy Working Mode Switching (as described)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Mode:\u003c\/strong\u003e for transportation\/storage\/offline or wireless transmission off; does not consume battery pack current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal Working Mode:\u003c\/strong\u003e inserting the charger returns the BMS to normal working mode; protection, equalization, and communication functions return to normal working.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby Mode:\u003c\/strong\u003e when the pack is static (no charge\/discharge current and no equilibrium current), the BMS enters standby after a set time; 1-30 days can be set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShutdown:\u003c\/strong\u003e the BMS has an automatic shutdown voltage and automatically shuts down when a cell falls below the shutdown voltage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInterfaces \/ Connector Notes (as labeled)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCANBUS (Need customization)\u003c\/li\u003e\n\u003cli\u003eRS485 (BY default)\u003c\/li\u003e\n\u003cli\u003eLCD (BY default)\u003c\/li\u003e\n\u003cli\u003eHeat Function (Need customization)\u003c\/li\u003e\n\u003cli\u003eCAN\/RS485 area pin labels: GND, CAN_H, CAN_L\u003c\/li\u003e\n\u003cli\u003eRS485 area pin labels: GND, RX, TX, VCC\u003c\/li\u003e\n\u003cli\u003eLCD area pin labels: K-, K+, GND, B, A, VCC\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNotes on Other Model Text Visible in Graphics\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eSome promotional images include specifications for other JK BMS models (e.g., JK-BD6A17S6P and JK-B2A20S20P-H-C). These values are not specifications of the BD6A20S15P unless they also appear in the specifications above.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLiFePO4, Li-ion, or LTO battery packs requiring active balancing and smart monitoring\u003c\/li\u003e\n\u003cli\u003eBattery systems needing Bluetooth monitoring plus RS485 communication (default)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"JKBMS smart active-balance BMS product hero with model callout and key features on a dark banner\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S15P-7S-20S-Active-Balance-BMS-Balance-Current.jpg?v=1780116275\"\u003e\u003cp\u003eJKBMS active-balance smart BMS for multi‑string battery packs, with Bluetooth monitoring and configurable protections.\u003c\/p\u003e\n\u003cimg alt=\"JK smart BMS unit with wiring leads and overlay listing active balancing, supported strings, and RS485\/CAN options\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S15P-7S-20S-Active-Balance-BMS-Balance-Current_ba7072b5-bac9-47ec-97f5-9db712dda361.jpg?v=1780116283\"\u003e\u003cp\u003eDesigned for lithium battery packs across multiple chemistries, with RS485 communication standard and CAN options available.\u003c\/p\u003e\n\u003cimg alt=\"Exploded view of the BMS assembly showing top cover, circuit board layers, components, and connector layout\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S15P-7S-20S-Active-Balance-BMS-Balance-Current.png?v=1780116291\"\u003e\u003cp\u003eInternal board layout highlights the compact stacked design, power components, and multi-pin harness connections.\u003c\/p\u003e\n\u003cimg alt=\"Close-up of BMS communication ports labeled CAN\/RS485, LCD, GPS header, and optional heat function connectors\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S15P-7S-20S-Active-Balance-BMS-Balance-Current_80772506-9dba-41ac-86fc-ad847303dcde.jpg?v=1780116298\"\u003e\u003cp\u003eConnectivity includes RS485 by default, plus headers for LCD and GPS; CANBUS and heating control are available by customization.\u003c\/p\u003e\n\u003cimg alt=\"Phone screen displaying Bluetooth BMS dashboard with pack voltage, current, state of charge, and individual cell voltages\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S15P-7S-20S-Active-Balance-BMS-Balance-Current_30ba30a2-e2cd-4620-b545-1b9be94f7a0d.jpg?v=1780116304\"\u003e\u003cp\u003eBluetooth app monitoring puts pack voltage, charge\/discharge current, SoC, and per‑cell voltage data at a glance.\u003c\/p\u003e\n\u003cimg alt=\"Three app screenshots showing device list, settings for battery type, and live cell voltage\/resistance readings\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S15P-7S-20S-Active-Balance-BMS-Balance-Current_c46cdb3e-817c-4932-a07a-a19de3dcec72.jpg?v=1780116312\"\u003e\u003cp\u003eSet battery chemistry and review detailed cell readings, including wire resistance and balance status, from the mobile interface.\u003c\/p\u003e\n\u003cimg alt=\"Infographic listing six battery protections: overcharge, overdischarge, overcurrent, short circuit, all-in, and overtemp\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S15P-7S-20S-Active-Balance-BMS-Balance-Current_98e79fee-3876-4657-bbc5-bb0817bc2973.jpg?v=1780116320\"\u003e\u003cp\u003eComprehensive protection coverage includes over\/under‑voltage, over‑current, short‑circuit, over‑temperature, and cable\/contact fault protection.\u003c\/p\u003e\n\u003cimg alt=\"Flowchart of smart energy working modes: normal working, standby, storage, and shutdown with switching conditions\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S15P-7S-20S-Active-Balance-BMS-Balance-Current_1d3bfa11-6498-443a-acb0-12e26419d189.jpg?v=1780116327\"\u003e\u003cp\u003ePower modes help manage self-consumption during storage and long idle periods while returning to normal operation during charging.\u003c\/p\u003e\n\u003cimg alt=\"Specification comparison table for JK BMS models showing supported series counts, balance current, current ratings, and interfaces\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-BD6A20S15P-7S-20S-Active-Balance-BMS-Balance-Current_ab70ef4c-b7b7-4ad4-be0a-dfc5ae642e56.jpg?v=1780116335\"\u003e\u003cp\u003eUse the model comparison chart to confirm supported series count, active-balance current, continuous\/peak current ratings, and interface options.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"JIKONG","offers":[{"title":"Default Title","offer_id":52312370413842,"sku":"jk-2704-","price":90.77,"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_aa415df1-941f-46e4-9491-f01257be2bcb.jpg?v=1780068293","url":"https:\/\/tsolar.top\/products\/src-jk-2704-jkbms-bd6a20s15p-7s-20s-active-balance-bms-balance-current-0-6a-continuous-current-150a-lifepo4-li-ion-lto-battery","provider":"TSolar","version":"1.0","type":"link"}