{"title":"300A BMS","description":"\u003ch2\u003e300A Smart BMS — Ultra High Current Protection for Large-Scale ESS \u0026amp; Industrial Applications\u003c\/h2\u003e\u003cp\u003eThe JKBMS 300A BMS series is engineered for ultra high-current energy storage and industrial applications. Standard version includes Bluetooth and UART interface; optional CAN, RS485, heating, alarm, parallel, and ACC detection available.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible chemistries: LiFePO4 \/ Li-ion \/ LTO\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eAvailable Models \u0026amp; Cell Configurations\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eBalance Current\u003c\/th\u003e\n\u003cth\u003eLi-ion (Ternary)\u003c\/th\u003e\n\u003cth\u003eLiFePO4 (Iron)\u003c\/th\u003e\n\u003cth\u003eLTO (Titanate)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJK-B2A8S30P\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003ctd\u003e3S – 8S\u003c\/td\u003e\n\u003ctd\u003e3S – 8S\u003c\/td\u003e\n\u003ctd\u003e7S – 8S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJK-B2A24S30P\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003ctd\u003e7S – 24S\u003c\/td\u003e\n\u003ctd\u003e8S – 24S\u003c\/td\u003e\n\u003ctd\u003e14S – 24S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJK-PB2A16S30P\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003ctd\u003e7S – 16S\u003c\/td\u003e\n\u003ctd\u003e8S – 16S\u003c\/td\u003e\n\u003ctd\u003e14S – 16S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eProtection current: 300A (30P)\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLarge-scale solar energy storage systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndustrial \u0026amp; commercial battery packs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-power EV \u0026amp; e-truck applications\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eData center \u0026amp; telecom backup power\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e📖 \u003cstrong\u003eNot sure which BMS to choose?\u003c\/strong\u003e \u003ca href=\"\/en-eu\/pages\/bms-selection-guide\"\u003eView our BMS Selection Guide →\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"jkbms-smart-bms-4s-8s-12v-24v-300a-2a-active-balance-built-in-bluetooth-with-can-rs485-pcb-battery-protection-board-for-lifepo4-li-ion-lto-battery-pack-jk-b2a8s30p","title":"JKBMS JK-B2A8S30P | 300A Smart BMS for High-Current RV \u0026 Backup Power | 3S-8S LiFePO4 Li-ion | 2A Active Balance","description":"\u003ch2\u003eMaximum Current for High-Demand Systems — JKBMS JK-B2A8S30P 300A Smart BMS for 3S–8S\u003c\/h2\u003e\n\n\u003cp\u003eThe JK-B2A8S30P delivers 300A continuous current with 2A active balancing — built for high-demand RV house battery systems, large marine battery banks, and heavy-duty backup power installations. With Bluetooth and UART for LCD display monitoring as standard, full pack visibility is always at hand.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible chemistries: LiFePO4 \/ Li-ion \/ LTO\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eJK-B2A8S30P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Configuration\u003c\/td\u003e\n\u003ctd\u003e3S–8S (LiFePO4 \/ Li-ion) · 7S–8S (LTO)\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\u003eActive Balance Current\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Communication\u003c\/td\u003e\n\u003ctd\u003eBluetooth + UART (LCD display port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Chemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4, Li-ion, LTO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOver-charge, Over-discharge, Over-current, Short-circuit, Over\/Under-temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: LTO (Lithium Titanate) cells require a minimum of 7S configuration.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWho Is This BMS For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🛥 \u003cstrong\u003eHigh-current RV \u0026amp; marine house battery systems\u003c\/strong\u003e (300A)\u003c\/li\u003e\n\u003cli\u003e🔋 \u003cstrong\u003eHeavy-duty backup power systems\u003c\/strong\u003e for critical equipment\u003c\/li\u003e\n\u003cli\u003e🔦 \u003cstrong\u003eLarge off-grid power installations\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e🏭 \u003cstrong\u003eOEM manufacturers\u003c\/strong\u003e of 300A lithium battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompare Versions — Find the Right Fit\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:center\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"text-align:center\"\u003eStandard (This Model)\u003c\/th\u003e\n\u003cth style=\"text-align:center\"\u003eHC Version\u003c\/th\u003e\n\u003cth style=\"text-align:center\"\u003eHCR Version (HCRPB) *\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART (LCD port)\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN Bus\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Film Control\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoft Parallel (PLINK Module)\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard Parallel (Parallel Module)\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuzzer Alert\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e* HCR Version (HCRPB) includes Heating Film Control, CAN Bus, RS485, Parallel Module interface, and Buzzer Alert as standard.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📩 Not sure which version fits? \u003ca href=\"\/en-eu\/pages\/contact\"\u003eContact us\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCustom Configuration Available\u003c\/h2\u003e\n\u003cp\u003eAll JKBMS products support feature customization for OEM orders — including communication interfaces, protection thresholds, balance parameters, and hardware configuration. \u003cstrong\u003e📩 \u003ca href=\"\/en-eu\/pages\/contact\"\u003eContact us\u003c\/a\u003e to discuss your custom requirements.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eOEM \/ ODM \u0026amp; Bulk Orders\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e📩 For wholesale pricing, MOQ, and custom configurations, please \u003ca href=\"\/en-eu\/pages\/contact\"\u003econtact us\u003c\/a\u003e directly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JKBMS","offers":[{"title":"JK-B2A8S30P","offer_id":47769219760266,"sku":"JK-B2A8S30P","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/B2A8S30P_c159f36e-55c6-413d-aed5-25ed130aa43c.jpg?v=1775495695"},{"product_id":"jkbms-smart-bms-4s-8s-12v-24v-300a-2a-active-balance-build-in-bluetooth-with-heat-can-rs485-pcb-battery-protection-board-for-lifepo4-li-ion-lto-battery-pack-jk-b2a8s30p-hc","title":"JKBMS JK-B2A8S30P-HC | 300A Smart BMS for RV, Small ESS \u0026 Inverter Integration | 3S-8S LiFePO4 Li-ion | 2A Active Balance + Heating + CAN","description":"\u003ch2\u003eSystem-Integrated Battery Management — JKBMS JK-B2A8S30P-HC 300A Smart BMS for 3S–8S\u003c\/h2\u003e\n\n\u003cp\u003eThe JK-B2A8S30P-HC adds Heating film control, CAN bus, and UART to the 300A \/ 2A active balance platform — enabling direct inverter integration and small home ESS support. When your battery needs to communicate with an inverter or energy management system, this is the version that makes it possible.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible chemistries: LiFePO4 \/ Li-ion \/ LTO\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eJK-B2A8S30P-HC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Configuration\u003c\/td\u003e\n\u003ctd\u003e3S–8S (LiFePO4 \/ Li-ion) · 7S–8S (LTO)\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\u003eActive Balance Current\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Communication\u003c\/td\u003e\n\u003ctd\u003eBluetooth + UART + CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Support\u003c\/td\u003e\n\u003ctd\u003e✅ Heating film control port (built-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Chemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4, Li-ion, LTO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOver-charge, Over-discharge, Over-current, Short-circuit, Over\/Under-temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: LTO (Lithium Titanate) cells require a minimum of 7S configuration.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat the HC Version Adds\u003c\/h2\u003e\n\n\u003ch3\u003e🔌 CAN + UART — Inverter Integration \u0026amp; Display Support\u003c\/h3\u003e\n\u003cp\u003eCAN bus enables direct BMS-to-inverter communication. UART connects to LCD displays for local panel monitoring. For RS485\/SCADA integration or hard parallel expansion, see the \u003cstrong\u003eHCR Version (HCRPB)\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003e🔥 Heating Film Control — Low-Temperature Protection\u003c\/h3\u003e\n\u003cp\u003eBuilt-in heating film control port activates the heating film when cell temperature drops below the configured threshold — preventing cold-charge damage to LiFePO4 cells in cold-climate installations.\u003c\/p\u003e\n\n\u003ch3\u003e📦 Soft Parallel via PLINK Module\u003c\/h3\u003e\n\u003cp\u003eSupports soft parallel expansion via the optional \u003cstrong\u003ePLINK Module\u003c\/strong\u003e (sold separately). Hard parallel via Parallel Module is not supported on the HC version.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWho Is This BMS For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🏠 \u003cstrong\u003eSmall home ESS\u003c\/strong\u003e (inverter-integrated)\u003c\/li\u003e\n\u003cli\u003e🔋 \u003cstrong\u003eHeavy-duty backup power systems\u003c\/strong\u003e with CAN inverter communication\u003c\/li\u003e\n\u003cli\u003e🛥 \u003cstrong\u003eRV \u0026amp; marine\u003c\/strong\u003e with high-current inverter integration\u003c\/li\u003e\n\u003cli\u003e🔦 \u003cstrong\u003eLarge off-grid power systems\u003c\/strong\u003e requiring BMS-inverter communication\u003c\/li\u003e\n\u003cli\u003e🏭 \u003cstrong\u003eOEM manufacturers\u003c\/strong\u003e of 300A integrated battery systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompare Versions — Find the Right Fit\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:center\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"text-align:center\"\u003eStandard\u003c\/th\u003e\n\u003cth style=\"text-align:center\"\u003eHC (This Model)\u003c\/th\u003e\n\u003cth style=\"text-align:center\"\u003eHCR Version (HCRPB) *\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART (LCD port)\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN Bus\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Film Control\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoft Parallel (PLINK Module)\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard Parallel (Parallel Module)\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuzzer Alert\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e* HCR Version (HCRPB) includes Heating Film Control, CAN Bus, RS485, Parallel Module interface, and Buzzer Alert as standard.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📩 Need RS485 or hard parallel? \u003ca href=\"\/en-eu\/pages\/contact\"\u003eContact us\u003c\/a\u003e about the HCR Version (HCRPB).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eOEM \/ ODM \u0026amp; Bulk Orders\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e📩 For wholesale pricing, MOQ, and custom configurations, please \u003ca href=\"\/en-eu\/pages\/contact\"\u003econtact us\u003c\/a\u003e directly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JKBMS","offers":[{"title":"JK-B2A8S30P-HC","offer_id":47769219793034,"sku":"JK-B2A8S30P-HC","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/B2A8S30P-HC_ac61dfc3-7f84-4276-95c9-ed699986e6b1.jpg?v=1775495695"},{"product_id":"jkbms-smart-bms-8s-24s-24v-72v-300a-2a-active-balance-built-in-bluetooth-with-rs485-pcb-battery-protection-board-for-li-ion-lifepo4-lto-jk-b2a24s30p","title":"JKBMS JK-B2A24S30P | 300A Smart BMS for Electric Forklift \u0026 Tourist Vehicle | 8S-24S LiFePO4 Li-ion | 2A Active Balance","description":"\u003ch2\u003eSuper Heavy-Load at 72V — JKBMS JK-B2A24S30P 300A Smart BMS for 8S–24S\u003c\/h2\u003e\n\n\u003cp\u003eThe JK-B2A24S30P covers the full 8S–24S voltage range (24V–72V) at 300A continuous current with 2A active balancing — the definitive choice for electric forklifts, heavy tourist vehicles, and high-performance applications in the super heavy-load category. With Bluetooth and UART for LCD display monitoring as standard, pack health is always visible.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible chemistries: LiFePO4 \/ Li-ion \/ LTO\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eJK-B2A24S30P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Configuration\u003c\/td\u003e\n\u003ctd\u003e8S – 24S (24V – 72V)\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\u003eActive Balance Current\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Communication\u003c\/td\u003e\n\u003ctd\u003eBluetooth + UART (LCD display port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Chemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4, Li-ion, LTO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOver-charge, Over-discharge, Over-current, Short-circuit, Over\/Under-temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eVoltage Platform \u0026amp; Load Class — Where This BMS Fits\u003c\/h2\u003e\n\n\u003ch3\u003e📊 24S (72V) — Super Heavy-Load \/ High-Performance at 300A\u003c\/h3\u003e\n\u003cp\u003eThe 24S platform at 72V combined with 300A continuous current puts this BMS in the super heavy-load \/ high-performance category — electric forklifts, heavy tourist vehicles, engineering machinery, and competition EVs where standard 150–200A boards simply aren't enough.\u003c\/p\u003e\n\n\u003ch3\u003e⚡ 2A Active Balancing at 300A — Protecting a Maximum-Investment Pack\u003c\/h3\u003e\n\u003cp\u003eA 300A 72V lithium pack represents a significant capital investment. The 2A active balancer continuously equalizes cells during charge, discharge, and rest — keeping every cell matched through thousands of high-current cycles and maximizing the return on your battery investment.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWho Is This BMS For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🚜 \u003cstrong\u003eElectric forklifts\u003c\/strong\u003e (60V–72V, 300A)\u003c\/li\u003e\n\u003cli\u003e🛴 \u003cstrong\u003eHeavy tourist \u0026amp; sightseeing vehicles\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e🏍️ \u003cstrong\u003eHigh-performance electric motorcycles\u003c\/strong\u003e and competition EVs\u003c\/li\u003e\n\u003cli\u003e🛠️ \u003cstrong\u003eEngineering machinery\u003c\/strong\u003e and special-purpose vehicles\u003c\/li\u003e\n\u003cli\u003e🏭 \u003cstrong\u003eOEM manufacturers\u003c\/strong\u003e of 24V–72V 300A high-performance battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompare Versions — Find the Right Fit\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eStandard (This Model)\u003c\/th\u003e\n\u003cth\u003eHC Version\u003c\/th\u003e\n\u003cth\u003eHCR Version\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART (LCD port)\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN Bus\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Film Control\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoft Parallel (PLINK Module)\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard Parallel (Parallel Module)\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuzzer Alert\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e📩 Need CAN\/RS485 or parallel expansion? \u003ca href=\"\/en-eu\/pages\/contact\"\u003eContact us\u003c\/a\u003e about HC\/HCR versions.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eOEM \/ ODM \u0026amp; Bulk Orders\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e📩 For wholesale pricing, MOQ, and custom configurations, please \u003ca href=\"\/en-eu\/pages\/contact\"\u003econtact us\u003c\/a\u003e directly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JKBMS","offers":[{"title":"JK-B2A24S30P","offer_id":47769221496970,"sku":"JK-B2A24S30P","price":214.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/2A24S30P-S_-_psd_8f158a64-bca8-432f-99ec-e91542a5d4cc.jpg?v=1775495689"},{"product_id":"jkbms-smart-bms-with-heat-can-rs485-8s-24s-24v-72v-300a-2a-active-balance-built-in-bluetooth-battery-protection-board-for-lifepo4-li-ion-lto-battery-pack-jk-b2a24s30p-hc","title":"JKBMS JK-B2A24S30P-HC | 300A Smart BMS for Industrial EV \u0026 Heavy-Duty Applications | 8S-24S LiFePO4 Li-ion | 2A Active Balance + Heating + CAN","description":"\u003ch2\u003eSuper Heavy-Load Integration — JKBMS JK-B2A24S30P-HC 300A Smart BMS for 8S–24S\u003c\/h2\u003e\n\n\u003cp\u003eThe JK-B2A24S30P-HC brings Heating film control, CAN bus, and UART to the 300A \/ 2A active balance platform across the full 8S–24S range (24V–72V). At 300A, this is the BMS for special-purpose vehicles, heavy industrial equipment, and high-performance applications that demand both maximum current capacity and direct inverter integration — with low-temperature protection built in.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible chemistries: LiFePO4 \/ Li-ion \/ LTO\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eJK-B2A24S30P-HC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Configuration\u003c\/td\u003e\n\u003ctd\u003e8S – 24S (24V – 72V)\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\u003eActive Balance Current\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Communication\u003c\/td\u003e\n\u003ctd\u003eBluetooth + UART + CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Support\u003c\/td\u003e\n\u003ctd\u003e✅ Heating film control port (built-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Chemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4, Li-ion, LTO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOver-charge, Over-discharge, Over-current, Short-circuit, Over\/Under-temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eVoltage Platform \u0026amp; Load Class — Where This BMS Fits\u003c\/h2\u003e\n\n\u003ch3\u003e📊 20S–24S (60V–72V) — Super Heavy-Load Applications\u003c\/h3\u003e\n\u003cp\u003eThe 20S–24S voltage range covers the high-voltage platforms used by electric motorcycles, forklifts, heavy sightseeing vehicles, and light electric cars. At 300A, this BMS is in the super heavy-load \/ high-performance category — special-purpose vehicles, engineering machinery, and high-current industrial applications where standard 150–200A boards simply aren’t enough.\u003c\/p\u003e\n\n\u003ch3\u003e🔥 Heating Film Control — Cold-Climate Protection\u003c\/h3\u003e\n\u003cp\u003eThe built-in heating film control port enables low-temperature battery protection — critical for industrial vehicles and equipment operating in cold climates or unheated facilities. The BMS activates the heating film when cell temperature drops below the configured threshold, preventing cold-charge damage to LiFePO4 cells.\u003c\/p\u003e\n\n\u003ch3\u003e🔌 CAN + UART — Inverter Integration \u0026amp; Display Support\u003c\/h3\u003e\n\u003cp\u003eCAN bus enables direct BMS-to-inverter communication for tight system integration. UART connects to LCD displays for local panel monitoring. For applications also requiring RS485 or hard parallel expansion, see the \u003cstrong\u003eHCR version\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003e📦 Soft Parallel via PLINK Module\u003c\/h3\u003e\n\u003cp\u003eSupports soft parallel expansion via the optional \u003cstrong\u003ePLINK Module\u003c\/strong\u003e (sold separately) for multi-pack configurations. Hard parallel via Parallel Module is not supported on the HC version — see HCR for hard parallel capability.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWho Is This BMS For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🚜 \u003cstrong\u003eForklifts \u0026amp; industrial vehicles\u003c\/strong\u003e in cold-climate environments\u003c\/li\u003e\n\u003cli\u003e🏍️ \u003cstrong\u003eHigh-performance electric motorcycles\u003c\/strong\u003e and competition EVs\u003c\/li\u003e\n\u003cli\u003e🚗 \u003cstrong\u003eLight electric cars\u003c\/strong\u003e and heavy sightseeing vehicles\u003c\/li\u003e\n\u003cli\u003e🛠️ \u003cstrong\u003eEngineering machinery\u003c\/strong\u003e and special-purpose vehicles\u003c\/li\u003e\n\u003cli\u003e🏭 \u003cstrong\u003eOEM manufacturers\u003c\/strong\u003e of 60V–72V 300A battery packs requiring heating control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompare Versions — Find the Right Fit\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003cth\u003eHC (This Model)\u003c\/th\u003e\n\u003cth\u003eHCR Version\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART (LCD port)\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN Bus\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Film Control\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoft Parallel (PLINK Module)\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard Parallel (Parallel Module)\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuzzer Alert\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e❌\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e📩 Need RS485 or hard parallel? \u003ca href=\"\/en-eu\/pages\/contact\"\u003eContact us\u003c\/a\u003e about the HCR version.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eOEM \/ ODM \u0026amp; Bulk Orders\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e📩 For wholesale pricing, MOQ, and custom configurations, please \u003ca href=\"\/en-eu\/pages\/contact\"\u003econtact us\u003c\/a\u003e directly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JKBMS","offers":[{"title":"JK-B2A24S30P-HC","offer_id":47769221890186,"sku":"JK-B2A24S30P-HC","price":225.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/2A24S30P_b3d4eca2-ef6b-4fbf-aa88-9d9cc484dfb1.png?v=1775495689"},{"product_id":"jkbms-inverter-bms-8s-16s-24v-48v-300a-c-v19-home-energy-storage-bms-with-uart-port-2a-active-balance-built-in-bluetooth-rs485-can-for-solar-system-jk-pb2a16s30p-v19","title":"JKBMS JK-PB2A16S30P V19 | 300A Inverter BMS for Home Solar ESS | 8S-16S 24V-48V LiFePO4 | 2A Active Balance + UART + CAN + RS485","description":"\u003ch2\u003eMaximum Current, Maximum Balance — JKBMS JK-PB2A16S30P V19 300A Inverter BMS for 8S–16S Home ESS\u003c\/h2\u003e\u003cp\u003eThe JK-PB2A16S30P V19 is the flagship of the JKBMS Inverter BMS series — combining 300A continuous current with 2A active balancing and the full UART, CAN, and RS485 inverter communication suite. For high-power home solar ESS systems with large battery banks, high-capacity hybrid inverters, or peak load requirements that demand maximum current headroom, this is the definitive Inverter BMS choice.\u003c\/p\u003e\u003cp\u003eCompatible chemistry: LiFePO4\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eJK-PB2A16S30P V19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Configuration\u003c\/td\u003e\n\u003ctd\u003e8S – 16S (24V – 48V)\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\u003eMax Discharge Current\u003c\/td\u003e\n\u003ctd\u003e600A (2 min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive Balance Current\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eBluetooth + UART + CAN + RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Chemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4 (8S–16S), Li-ion (7S–16S), LTO (14S–16S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e300 × 100 × 24 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOver-charge, Over-discharge, Over-current, Short-circuit, Over\/Under-temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003e300A + 2A Active Balance — No Compromises\u003c\/h2\u003e\u003cp\u003e⚡ \u003cstrong\u003e300A Continuous — For the Most Demanding Home ESS Installations\u003c\/strong\u003e\u003cbr\u003eHigh-power hybrid inverters, large-format battery banks, and homes with significant peak load requirements need a BMS rated for 300A. The JK-PB2A16S30P V19 provides maximum current headroom for high-power discharge events while the 2A active balancer keeps every cell matched through daily solar cycling.\u003c\/p\u003e\u003cp\u003e🔌 \u003cstrong\u003eUART + CAN + RS485 — Full Inverter Protocol Support\u003c\/strong\u003e\u003cbr\u003eUART enables direct BMS-to-inverter communication using the protocols supported by most residential hybrid inverters. CAN and RS485 provide additional integration options for advanced EMS and monitoring systems. Real-time battery state reporting allows the inverter to optimize charge\/discharge decisions — maximizing solar self-consumption and extending battery life.\u003c\/p\u003e\u003cp\u003e⚡ \u003cstrong\u003e2A Active Balancing — Daily Cycling at Maximum Scale\u003c\/strong\u003e\u003cbr\u003eAt 300A, cell imbalance can develop faster under load. The 2A active balancer continuously equalizes cells during charge, discharge, and rest — keeping your large-format battery pack tight and healthy through thousands of daily solar cycles.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWho Is This BMS For?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e🏠 High-power home solar ESS with 8kW+ hybrid inverters\u003c\/li\u003e\n\u003cli\u003e☀️ Residential solar installations with large battery banks\u003c\/li\u003e\n\u003cli\u003e🔦 Off-grid solar systems with maximum current requirements\u003c\/li\u003e\n\u003cli\u003e🔋 Backup power systems with high peak load demands\u003c\/li\u003e\n\u003cli\u003e🏢 OEM \u0026amp; DIY ESS builders requiring maximum-rated Inverter BMS\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eCompare JK-PB Inverter BMS Models\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eJK-PB1A16S10P\u003c\/th\u003e\n\u003cth\u003eJK-PB1A16S15P\u003c\/th\u003e\n\u003cth\u003eJK-PB2A16S15P\u003c\/th\u003e\n\u003cth\u003eJK-PB2A16S20P\u003c\/th\u003e\n\u003cth\u003eJK-PB2A16S30P (This Model)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003ctd\u003e300A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive Balance\u003c\/td\u003e\n\u003ctd\u003e1A\u003c\/td\u003e\n\u003ctd\u003e1A\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003ctd\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003ePackage Contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1× JKBMS JK-PB2A16S30P V19 Inverter BMS Protection Board\u003c\/li\u003e\n\u003cli\u003e1× Interface Board\u003c\/li\u003e\n\u003cli\u003eCommunication Cables, Balancing Cables, Activation Switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eOEM \/ ODM \u0026amp; Bulk Orders\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e📩 For wholesale pricing, MOQ, and custom configurations, please \u003ca href=\"\/en-eu\/pages\/contact\"\u003econtact us\u003c\/a\u003e directly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JKBMS","offers":[{"title":"JK-PB2A16S30P","offer_id":47779560063114,"sku":"JK-PB2A16S30P-V19","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/PB2A16S30P_a6a55b61-f435-46f0-b7cb-b5b7789d3414.jpg?v=1775495681"},{"product_id":"jkbms-smart-bms-with-heating-can-rs485-4s-8s-12v-24v-300a-2a-active-balance-with-bluetooth-battery-protection-board-for-lifepo4-li-ion-lto-battery-pack-jk-b2a8s30p-hcrpb","title":"JKBMS JK-B2A8S30P-HCRPB | 300A Smart BMS for Home ESS \u0026 Parallel Systems | 3S-8S LiFePO4 Li-ion | 2A Active Balance + Heating + CAN + RS485","description":"\u003ch2\u003eFull-Featured ESS \u0026amp; Parallel-Ready — JKBMS JK-B2A8S30P-HCRPB 300A Smart BMS for 3S–8S\u003c\/h2\u003e\n\n\u003cp\u003eThe JK-B2A8S30P-HCRPB is the full-featured version of the 300A \/ 2A active balance platform — adding RS485, Buzzer Alert, and hard parallel interface on top of the HC version’s Heating, CAN, and UART. Designed for small home ESS, inverter-integrated systems, and multi-pack parallel installations that require complete communication and expansion capability at maximum current.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible chemistries: LiFePO4 \/ Li-ion \/ LTO\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eJK-B2A8S30P-HCRPB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Configuration\u003c\/td\u003e\n\u003ctd\u003e3S–8S (LiFePO4 \/ Li-ion) · 7S–8S (LTO)\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\u003eActive Balance Current\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Communication\u003c\/td\u003e\n\u003ctd\u003eBluetooth + UART + CAN + RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Support\u003c\/td\u003e\n\u003ctd\u003e✅ Heating film control port (built-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuzzer Alert\u003c\/td\u003e\n\u003ctd\u003e✅ Built-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParallel Interface\u003c\/td\u003e\n\u003ctd\u003e✅ Enhanced hard parallel interface (Parallel Module compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Chemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4, Li-ion, LTO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOver-charge, Over-discharge, Over-current, Short-circuit, Over\/Under-temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: LTO (Lithium Titanate) cells require a minimum of 7S configuration.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat the HCRPB Version Adds Over HC\u003c\/h2\u003e\n\n\u003ch3\u003e📶 RS485 — SCADA \u0026amp; Multi-Device Integration\u003c\/h3\u003e\n\u003cp\u003eRS485 enables integration with SCADA systems, energy management platforms, and multi-device monitoring networks — essential for professional ESS installations and industrial applications.\u003c\/p\u003e\n\n\u003ch3\u003e🔔 Buzzer Alert — Audible Fault Notification\u003c\/h3\u003e\n\u003cp\u003eBuilt-in buzzer provides immediate audible alerts for fault conditions — over-voltage, under-voltage, over-temperature, and other protection events — without requiring external monitoring.\u003c\/p\u003e\n\n\u003ch3\u003e🔗 Hard Parallel Interface — Multi-Pack Expansion\u003c\/h3\u003e\n\u003cp\u003eEnhanced hard parallel interface supports connection of the optional \u003cstrong\u003eParallel Module\u003c\/strong\u003e (sold separately) for hardware-level multi-pack parallel operation. Also supports soft parallel via the optional \u003cstrong\u003ePLINK Module\u003c\/strong\u003e (sold separately).\u003c\/p\u003e\n\n\u003ch3\u003e🔥 Heating Film Control — Low-Temperature Protection\u003c\/h3\u003e\n\u003cp\u003eBuilt-in heating film control port activates the heating film when cell temperature drops below the configured threshold — preventing cold-charge damage in cold-climate installations.\u003c\/p\u003e\n\n\u003ch3\u003e🔌 CAN + UART — Inverter Integration \u0026amp; Display Support\u003c\/h3\u003e\n\u003cp\u003eCAN bus enables direct BMS-to-inverter communication. UART connects to LCD displays for local panel monitoring.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWho Is This BMS For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🏠 \u003cstrong\u003eHome ESS \u0026amp; small commercial ESS\u003c\/strong\u003e with RS485\/SCADA integration\u003c\/li\u003e\n\u003cli\u003e🔗 \u003cstrong\u003eMulti-pack parallel systems\u003c\/strong\u003e (soft + hard parallel)\u003c\/li\u003e\n\u003cli\u003e🔋 \u003cstrong\u003eHeavy-duty backup power systems\u003c\/strong\u003e requiring full communication stack\u003c\/li\u003e\n\u003cli\u003e🏭 \u003cstrong\u003eOEM manufacturers\u003c\/strong\u003e of professional 300A battery systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompare Versions — Find the Right Fit\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:center\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"text-align:center\"\u003eStandard\u003c\/th\u003e\n\u003cth style=\"text-align:center\"\u003eHC Version\u003c\/th\u003e\n\u003cth style=\"text-align:center\"\u003eHCR Version (HCRPB) *\u003cbr\u003e(This Model)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART (LCD port)\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN Bus\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Film Control\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoft Parallel (PLINK Module)\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard Parallel (Parallel Module)\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuzzer Alert\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e❌\u003c\/td\u003e\n\u003ctd style=\"text-align:center\"\u003e✅\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e* HCR Version (HCRPB) includes Heating Film Control, CAN Bus, RS485, Parallel Module interface, and Buzzer Alert as standard.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📩 Not sure which version fits? \u003ca href=\"\/en-eu\/pages\/contact\"\u003eContact us\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCustom Configuration Available\u003c\/h2\u003e\n\u003cp\u003eAll JKBMS products support feature customization for OEM orders — including communication interfaces, protection thresholds, balance parameters, and hardware configuration. \u003cstrong\u003e📩 \u003ca href=\"\/en-eu\/pages\/contact\"\u003eContact us\u003c\/a\u003e to discuss your custom requirements.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eOEM \/ ODM \u0026amp; Bulk Orders\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e📩 For wholesale pricing, MOQ, and custom configurations, please \u003ca href=\"\/en-eu\/pages\/contact\"\u003econtact us\u003c\/a\u003e directly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JKBMS","offers":[{"title":"JK-B2A8S30P-HCRPB","offer_id":47825343348874,"sku":"JK-B2A8S-30PHCRPB","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/B2A8S30P-HCRPB_bf34e61b-60ab-418b-b8c6-8cf6572d8b9a.jpg?v=1777153633"}],"url":"https:\/\/jkbms-ess.com\/en-eu\/collections\/300a-bms\/300a-bms.oembed","provider":"JKBMS-ESS","version":"1.0","type":"link"}