{"product_id":"jkbms-smart-bms-4s-8s-200a-1a-active-balance-built-in-bluetooth-with-rs485-pcb-battery-protection-board-for-lifepo4-li-ion-lto-battery-pack-jk-b1a8s20p","title":"JKBMS JK-B1A8S20P | 200A Smart BMS for RV \u0026 Backup Power | 3S-8S LiFePO4 Li-ion | 1A Active Balance","description":"\u003ch2\u003eHigh-Current Reliability for Mobile \u0026amp; Backup Power — JKBMS JK-B1A8S20P 200A Smart BMS for 3S–8S\u003c\/h2\u003e\n\n\u003cp\u003eThe JK-B1A8S20P delivers 200A continuous current with 1A active balancing — the ideal foundation for high-draw RV house battery systems, marine battery banks, and backup power installations. With Bluetooth and UART for LCD display monitoring as standard, you always know exactly what your pack is doing.\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-B1A8S20P\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\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive Balance Current\u003c\/td\u003e\n\u003ctd\u003e1A\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\u003eRV \u0026amp; marine house battery systems\u003c\/strong\u003e (200A)\u003c\/li\u003e\n\u003cli\u003e🔋 \u003cstrong\u003eBackup power systems\u003c\/strong\u003e for critical equipment\u003c\/li\u003e\n\u003cli\u003e🔦 \u003cstrong\u003ePortable power stations\u003c\/strong\u003e and off-grid installations\u003c\/li\u003e\n\u003cli\u003e🏭 \u003cstrong\u003eOEM manufacturers\u003c\/strong\u003e of 200A 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-B1A8S20P","offer_id":47769219399818,"sku":"JK-B1A8S20P","price":80.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/B1A8S20P_c0332012-0880-4c45-bdc4-c204c3595804.jpg?v=1775496328","url":"https:\/\/jkbms-ess.com\/en-eu\/products\/jkbms-smart-bms-4s-8s-200a-1a-active-balance-built-in-bluetooth-with-rs485-pcb-battery-protection-board-for-lifepo4-li-ion-lto-battery-pack-jk-b1a8s20p","provider":"JKBMS-ESS","version":"1.0","type":"link"}