{"product_id":"src-jk-2723-jkbms-pb2a16s20p-7s-16s-active-balance-inverter-bms-balance-current-2a-continuous-current-200a-family-energy-storage-lifepo4-li-ion-lto-for-growatt-deye-etc-inverter-bms","title":"JKBMS PB2A16S20P 7S-16S 200A Active Balance Inverter BMS, 2A Balancer, RS485, Bluetooth","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/tsolar.top\/collections\/jkbms-jikong-bms\" title=\"JKBMS - JIKONG BMS\"\u003eJKBMS\u003c\/a\u003e PB2A16S20P\u003c\/strong\u003e is an \u003cstrong\u003eactive-balance Inverter BMS\u003c\/strong\u003e designed for family\/home energy storage battery packs using \u003cstrong\u003eLiFePO4 \/ Li-ion \/ LTO\u003c\/strong\u003e, with support for inverter communication (RS485 by default; CANBUS\/HEAT as customized options). It supports \u003cstrong\u003e7S to 16S\u003c\/strong\u003e battery strings (chemistry-dependent) and provides \u003cstrong\u003e2A (2000mA) active balancing\u003c\/strong\u003e with a \u003cstrong\u003e200A\u003c\/strong\u003e continuous charge\/discharge rating. PB series inverter BMS orders placed after \u003cstrong\u003eJune 1, 2025\u003c\/strong\u003e are set to \u003cstrong\u003eV19\u003c\/strong\u003e by default.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive balance (Full State On):\u003c\/strong\u003e 2000mA (2A) balancing current\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\u003eBluetooth built-in:\u003c\/strong\u003e supports Android \/ iOS phones\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\u003eCommon port wiring:\u003c\/strong\u003e same port \/ common port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection functions:\u003c\/strong\u003e over charge, over discharge, over current, short circuit, all-in protection (cable drop\/poor contact), over temp protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart energy working modes:\u003c\/strong\u003e Storage Mode, Normal Working Mode, Shutdown, Standby Mode (standby time setting: 1–30 days)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor installation support and after-sales service, contact \u003ca href=\"https:\/\/tsolar.top\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ehttps:\/\/tsolar.top\/\u003c\/a\u003e or email \u003ca href=\"mailto:service@tsolar.top\"\u003eservice@tsolar.top\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePB2A16S20P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported battery chemistries\u003c\/td\u003e\n\u003ctd\u003eLiFePO4 \/ Li-ion \/ LTO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of battery strings (Li-ion)\u003c\/td\u003e\n\u003ctd\u003e7S–16S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of battery strings (LiFePO4)\u003c\/td\u003e\n\u003ctd\u003e8S–16S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of battery strings (LTO)\u003c\/td\u003e\n\u003ctd\u003e14S\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\u003e2A (2000mA)\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 (MAX 2 min)\u003c\/td\u003e\n\u003ctd\u003e350A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver charge protection current (ADJ)\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\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\u003eWiring output\u003c\/td\u003e\n\u003ctd\u003eCommon Port (same port)\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\u003eSupports 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, \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 to 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 accuracy\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 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\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\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\u003e4 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\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 95°C\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\u003eTemp 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\u003eSize\u003c\/td\u003e\n\u003ctd\u003e300*100*18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eInterfaces \/ Port Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANBUS:\u003c\/strong\u003e need customization (pins: GND, CAN_H, CAN_L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS485:\u003c\/strong\u003e by default (pins: GND, RX, TX, VCC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD:\u003c\/strong\u003e by default (pins: 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\u003eBluetooth App Use\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 to check operating data.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHome\/family energy storage battery packs (LiFePO4 \/ Li-ion \/ LTO)\u003c\/li\u003e\n\u003cli\u003eInverter energy storage systems requiring RS485 communication (e.g., Growatt, Deye, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eReference Information (Other JK BMS Item Shown in Materials)\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eJK-BD6A17S6P: Active Balance BMS; active balance current 0.6A; adapt battery strings 10S–17S (LTO), 7S–17S (Li-ion), 8S–17S (Lifepo4); continuous discharge\/charge current 60A; peak current 100A; battery strings 03–17S.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"JKBMS active-balance inverter BMS module with wiring harness, product-style hero on dark background\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-PB2A16S20P-7S-16S-Active-Balance-Inverter-BMS-Balance.jpg?v=1780110451\"\u003e\u003cp\u003eBuilt for home energy storage packs, the inverter BMS combines active balancing with inverter communications for smarter system control.\u003c\/p\u003e\n\u003cimg alt=\"JKBMS active-balance BMS close-up with cable leads, highlighting communication and battery-string support\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-PB2A16S20P-7S-16S-Active-Balance-Inverter-BMS-Balance_4a8156c0-3bfd-48fa-9452-af1c6a81d6dc.jpg?v=1780110462\"\u003e\u003cimg alt=\"Exploded view of the JKBMS enclosure and internal PCB stack, showing connectors and components layout\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-PB2A16S20P-7S-16S-Active-Balance-Inverter-BMS-Balance.png?v=1780110473\"\u003e\u003cp\u003eInternal hardware layout highlights the layered PCB design and multi-connector wiring interface used on PB-series units.\u003c\/p\u003e\n\u003cimg alt=\"Port and pinout reference for CAN\/RS485, GPS and LCD connections on the inverter BMS interface panel\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-PB2A16S20P-7S-16S-Active-Balance-Inverter-BMS-Balance_19eea049-cbad-4659-a2bf-e234b75c4074.jpg?v=1780110480\"\u003e\u003cp\u003eRS485 is the default communication option; CANBUS and heat control are available as customized functions depending on the build.\u003c\/p\u003e\n\u003cimg alt=\"Bluetooth phone app screen showing pack voltage, current, balance status and per-cell voltage list\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-PB2A16S20P-7S-16S-Active-Balance-Inverter-BMS-Balance_cec99cb1-c9c7-4b76-833b-1b682024ba5f.jpg?v=1780110494\"\u003e\u003cp\u003eBluetooth monitoring provides live pack data, balance status, and cell-by-cell readings on iOS and Android.\u003c\/p\u003e\n\u003cimg alt=\"Mobile app screenshots for BMS device list, chemistry settings and real-time cell voltage monitoring\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-PB2A16S20P-7S-16S-Active-Balance-Inverter-BMS-Balance_7032ede1-b7ec-4253-af8c-f987383d8512.jpg?v=1780110501\"\u003e\u003cimg alt=\"Six protection functions infographic: overcharge, short circuit, overdischarge, overcurrent, all-in, overtemp\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-PB2A16S20P-7S-16S-Active-Balance-Inverter-BMS-Balance_84a52a53-c4a2-44a7-9768-2f3548427890.jpg?v=1780110508\"\u003e\u003cp\u003eProtection features cover overcharge\/overdischarge, overcurrent and short circuit, plus cable\/contact and temperature safeguards.\u003c\/p\u003e\n\u003cimg alt=\"Smart energy working mode switching chart: Storage Mode, Normal Working Mode, Shutdown and Standby Mode\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-PB2A16S20P-7S-16S-Active-Balance-Inverter-BMS-Balance_9310851e-a25f-49c6-b944-5291ff71a2ed.jpg?v=1780110515\"\u003e\u003cp\u003eSmart energy modes support storage, normal operation, standby timing, and shutdown behavior for long-term idle periods.\u003c\/p\u003e\n\u003cimg alt=\"Specification comparison table for multiple BMS models, including balancing current and communication options\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-PB2A16S20P-7S-16S-Active-Balance-Inverter-BMS-Balance_5ca69b14-be1f-4495-a6f5-dc82262f972d.jpg?v=1780110525\"\u003e\u003cp\u003eUse the parameter table to confirm the correct model and string count for your battery chemistry before ordering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"JIKONG","offers":[{"title":"Default Title","offer_id":52312177213714,"sku":"jk-2723-","price":159.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/2860\/6994\/files\/JKBMS-Inverter-BMS-8S-16S-24V-48V-100A-100A-8S-16S-Family-Energy-Storage-Lifepo4-Li-3.jpg?v=1780062335","url":"https:\/\/tsolar.top\/products\/src-jk-2723-jkbms-pb2a16s20p-7s-16s-active-balance-inverter-bms-balance-current-2a-continuous-current-200a-family-energy-storage-lifepo4-li-ion-lto-for-growatt-deye-etc-inverter-bms","provider":"TSolar","version":"1.0","type":"link"}