{"product_id":"src-jk-3161-jkbms-b2a8s30p-hc-with-can-bus-heating-3s-8s-active-balance-bms-balance-current-2a-continuous-current-300a-lifepo4-li-ion-lto-battery","title":"JKBMS B2A8S30P-HC 3S-8S Active Balance Smart BMS 300A, 2A Balancing, CAN Bus, Heating, 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 B2A8S30P-HC is an active balance \u003ca href=\"https:\/\/tsolar.top\/collections\/smart-bms\" title=\"Smart BMS\"\u003esmart BMS\u003c\/a\u003e for 3S to 8S battery packs, featuring CAN Bus communication and heating support. It is specified for LiFePO4, Li-ion, and LTO battery applications, with a 2A (2000mA) active balancing function and 300A continuous current rating.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBattery strings supported: 3S to 8S\u003c\/li\u003e\n\u003cli\u003eActive balance (Full State On), balance current: 2000mA (2A)\u003c\/li\u003e\n\u003cli\u003eContinuous current: 300A\u003c\/li\u003e\n\u003cli\u003eCAN Bus support\u003c\/li\u003e\n\u003cli\u003eHeating support\u003c\/li\u003e\n\u003cli\u003eBluetooth built-in; supports Android \/ IOS phone\u003c\/li\u003e\n\u003cli\u003eShort circuit protection: support\u003c\/li\u003e\n\u003cli\u003eSame-port wiring method\u003c\/li\u003e\n\u003cli\u003eBattery pack self-powered (power supply mode: the battery pack is self-powered)\u003c\/li\u003e\n\u003cli\u003eSupports single cell voltage dropout detection\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\u003eB2A8S30P-HC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported battery chemistry\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\u003c\/td\u003e\n\u003ctd\u003e3S to 8S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous current\u003c\/td\u003e\n\u003ctd\u003e300A\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\u003eSingle cell voltage detection range\u003c\/td\u003e\n\u003ctd\u003e0-5V\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 error value \u0026lt;5mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle cell voltage dropout detection\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBalancing\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\u003e2000mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring method\u003c\/td\u003e\n\u003ctd\u003eSame port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort circuit protection\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN Bus\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth function\u003c\/td\u003e\n\u003ctd\u003eBluetooth built-in; support for Android \/ IOS phone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature detection\u003c\/td\u003e\n\u003ctd\u003e-40 to 125°C\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 error\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\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\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWiring \/ Interface Notes (from diagrams)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMain terminals shown: B+, B-, P-, and C-.\u003c\/li\u003e\n\u003cli\u003ePorts\/labels shown include: temperature line, GPS, and CAN\/RS485.\u003c\/li\u003e\n\u003cli\u003eCell sense leads shown for 3S-8S packs with taps labeled 1+ through 8+ and corresponding B1 to B8 markings.\u003c\/li\u003e\n\u003cli\u003eParallel module wiring diagrams are shown for a JK-BLMK-5A “Parallel Module” (marked “For JK-B2A8S30P”, “Support Li-ion\/Lifepo4\/LTO”), including a diagram titled “JKBMS Parallel Module JK-BLMK-5A Wiring Diagram”.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor pre-sale compatibility checks (strings, wiring method, and communication needs such as CAN\/RS485), contact support at https:\/\/tsolar.top\/ or service@tsolar.top.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"JKBMS B2A8S30P-HC wiring layout for 3S–8S packs with B+\/B-, P-\/C-, temp, GPS and CAN\/RS485 ports\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B2A8S30P-HC-with-CAN-Bus-Heating-3S-8S-Active-Balance.jpg?v=1780108519\"\u003e\u003cp\u003eClear terminal and harness labeling helps confirm same-port wiring, cell taps, and communication connections before installation.\u003c\/p\u003e\n\u003cimg alt=\"Parallel connection overview linking two battery packs to a JK device using cable A (B+) and cable B (P-)\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B2A8S30P-HC-with-CAN-Bus-Heating-3S-8S-Active-Balance_5f377c31-ea20-4572-8b60-702e11e8d07d.jpg?v=1780108528\"\u003e\u003cp\u003eUse the parallel connection method when combining two packs, keeping B+ and P- routing consistent across both packs.\u003c\/p\u003e\n\u003cimg alt=\"JKBMS parallel module JK-BLMK-5A wiring diagram with controller\/charger leads and pack cell sense connections\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B2A8S30P-HC-with-CAN-Bus-Heating-3S-8S-Active-Balance_0e4cb017-5176-4160-bc46-0dde3b90670e.jpg?v=1780108540\"\u003e\u003cp\u003eAdd the JK-BLMK-5A parallel module when your setup requires a dedicated parallel interface between the BMS and system wiring.\u003c\/p\u003e\n\u003cimg alt=\"JIKONG BMS parallel module enclosure with wiring harness, labeled for JK-B2A8S30P and Li-ion\/LiFePO4\/LTO support\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JKBMS-B2A8S30P-HC-with-CAN-Bus-Heating-3S-8S-Active-Balance_f537cf7a-0f57-42c2-8bbc-e488ac184b2f.jpg?v=1780108549\"\u003e\n\u003c\/div\u003e","brand":"JIKONG","offers":[{"title":"B2A8S30P-HC","offer_id":52311596171538,"sku":"jk-3161-1","price":125.37,"currency_code":"USD","in_stock":true},{"title":"B2A8S30P-HC+3.2LCD","offer_id":52311596204306,"sku":"jk-3161-2","price":139.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/2860\/6994\/files\/JKBMS-B2A8S30P-3S-8S-Active-Balance-BMS-Balance-Current-2A-Continuous-Current-300A-Lifepo4-li-ion-LTO-Battery-5_a0ff36aa-18c8-421e-8f3c-b873b10a8187.jpg?v=1780050816","url":"https:\/\/tsolar.top\/products\/src-jk-3161-jkbms-b2a8s30p-hc-with-can-bus-heating-3s-8s-active-balance-bms-balance-current-2a-continuous-current-300a-lifepo4-li-ion-lto-battery","provider":"TSolar","version":"1.0","type":"link"}