{"product_id":"jkbms-jk-bd6a20s4pd-40a-smart-bms","title":"JKBMS JK-BD6A20S4PD | 40A Smart BMS for E-Bike \u0026 Light EV | 7S-20S LiFePO4 Li-ion LTO | 0.6A Active Balance","description":"\u003ch2\u003eCompact \u0026amp; Reliable — JKBMS JK-BD6A20S4PD 40A Smart BMS for 7S–20S\u003c\/h2\u003e\u003cp\u003eThe JK-BD6A20S4PD covers the full 7S–20S voltage range (24V–72V) at 40A continuous current — designed for e-bikes, electric skateboards, and small backup power systems. Bluetooth and UART display interface are built in as standard; One-wire, LED battery level display, and heating function are available as optional add-ons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible chemistries: LiFePO4 \/ Li-ion \/ LTO\u003c\/strong\u003e\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-BD6A20S4PD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Configuration\u003c\/td\u003e\n\u003ctd\u003eLi-ion: 7S–20S \/ LiFePO4: 8S–20S \/ LTO: 14S–20S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Instantaneous Current\u003c\/td\u003e\n\u003ctd\u003e80A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Internal Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1.6mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive Balance Current\u003c\/td\u003e\n\u003ctd\u003e0.6A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e20–100V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Power Consumption\u003c\/td\u003e\n\u003ctd\u003e≤800mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNTC Quantity\u003c\/td\u003e\n\u003ctd\u003e1 built-in, 1 external (2 external optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003e119.5 × 73 × 13.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinished Weight\u003c\/td\u003e\n\u003ctd\u003e325g\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\u003eOptional Add-ons\u003c\/td\u003e\n\u003ctd\u003eOne-wire \/ LED battery level display \/ Heating function\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\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eProtection Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCharge overcurrent protection\u003c\/li\u003e\n\u003cli\u003eCharge overvoltage protection\u003c\/li\u003e\n\u003cli\u003eCharge over-temperature protection\u003c\/li\u003e\n\u003cli\u003eLow temperature protection during charge\u003c\/li\u003e\n\u003cli\u003eDischarge overcurrent protection\u003c\/li\u003e\n\u003cli\u003eDischarge undervoltage protection\u003c\/li\u003e\n\u003cli\u003eDischarge over-temperature protection\u003c\/li\u003e\n\u003cli\u003eShort circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eStandard Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLED Bluetooth status indicator\u003c\/li\u003e\n\u003cli\u003eAPP Bluetooth remote operation\u003c\/li\u003e\n\u003cli\u003eBattery capacity calculation\u003c\/li\u003e\n\u003cli\u003eHigh precision voltage acquisition (±3mV)\u003c\/li\u003e\n\u003cli\u003eHigh precision current acquisition\u003c\/li\u003e\n\u003cli\u003eSupport information screen display\u003c\/li\u003e\n\u003cli\u003eAccurate time logging\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eOptional Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOne-wire (Optional)\u003c\/li\u003e\n\u003cli\u003eLED battery level display (Optional)\u003c\/li\u003e\n\u003cli\u003eHeating function (Optional)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eDefault Parameters\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eLi-ion\u003c\/th\u003e\n\u003cth\u003eLiFePO4\u003c\/th\u003e\n\u003cth\u003eLTO\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBalancing initial voltage\u003c\/td\u003e\n\u003ctd\u003e3V\u003c\/td\u003e\n\u003ctd\u003e3V\u003c\/td\u003e\n\u003ctd\u003e2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit overcharge voltage\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003ctd\u003e3.6V\u003c\/td\u003e\n\u003ctd\u003e2.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit undervoltage protection\u003c\/td\u003e\n\u003ctd\u003e2.82V\u003c\/td\u003e\n\u003ctd\u003e2.6V\u003c\/td\u003e\n\u003ctd\u003e1.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutomatic shutdown voltage\u003c\/td\u003e\n\u003ctd\u003e2.8V\u003c\/td\u003e\n\u003ctd\u003e2.5V\u003c\/td\u003e\n\u003ctd\u003e1.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge over-temperature protection\u003c\/td\u003e\n\u003ctd\u003e70°C\u003c\/td\u003e\n\u003ctd\u003e70°C\u003c\/td\u003e\n\u003ctd\u003e70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge over-temperature protection\u003c\/td\u003e\n\u003ctd\u003e70°C\u003c\/td\u003e\n\u003ctd\u003e70°C\u003c\/td\u003e\n\u003ctd\u003e70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge low-temperature protection\u003c\/td\u003e\n\u003ctd\u003e-10°C\u003c\/td\u003e\n\u003ctd\u003e-10°C\u003c\/td\u003e\n\u003ctd\u003e-10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMOS over-temperature protection\u003c\/td\u003e\n\u003ctd\u003e100°C\u003c\/td\u003e\n\u003ctd\u003e100°C\u003c\/td\u003e\n\u003ctd\u003e100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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=\"\/de-eu\/pages\/contact\"\u003econtact us\u003c\/a\u003e directly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JKBMS","offers":[{"title":"Default Title","offer_id":49744466149514,"sku":"JK-BD6A20S4PD","price":38.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/Main_product_photo.jpg?v=1784139799","url":"https:\/\/jkbms-ess.com\/de-eu\/products\/jkbms-jk-bd6a20s4pd-40a-smart-bms","provider":"JKBMS-ESS","version":"1.0","type":"link"}