{"product_id":"jbd-sp04s010a-3s-smart-bms-balancer-board","title":"JBD SP04S010A Smart BMS Balancer Board 3S\/4S 12V 20-35A for LiFePO4\/Li-ion Packs, UART\/RS485","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe JBD SP04S010A is a Smart BMS (Battery Management System) \/ balancer board for 3S–4S battery packs, specified for 12V systems and 20A–35A current range. It supports UART and RS485 communication for monitoring and parameter setting, and is specified for 3.7V Li-ion and 3.2V LiFePO4 battery packs.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3S–4S support with automatic identification of string number: Yes\u003c\/li\u003e\n\u003cli\u003eCommunication: UART\/RS485 (also stated as “UART\/485 communication”)\u003c\/li\u003e\n\u003cli\u003eBluetooth support: Yes; Bluetooth type stated as external Bluetooth (may require separate purchase if needed)\u003c\/li\u003e\n\u003cli\u003eDisplay support: Yes; display type: UART\/RS485 display\u003c\/li\u003e\n\u003cli\u003eBalancing: balancing port indicated; balance current specified as 20–60 mA\u003c\/li\u003e\n\u003cli\u003eGood heat dissipation; multiple communication options\u003c\/li\u003e\n\u003cli\u003eTemperature sensing probe is referenced, with “adjustable temperature control” via upper computer (PC tool)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommunication \/ Usage Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUART and Bluetooth share the same port and cannot be used at the same time.\u003c\/li\u003e\n\u003cli\u003eUART\/Bluetooth and RS485 can be used at the same time.\u003c\/li\u003e\n\u003cli\u003eUART communication can be converted to CAN bus if needed via a separate UART-to-CAN converter module.\u003c\/li\u003e\n\u003cli\u003eUART\/RS485\/CAN accessories are stated as needing to be purchased separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eBattery Management System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eSmart BMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel number\u003c\/td\u003e\n\u003ctd\u003eSP04S010A (label also shows JBD-SP04S010)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem voltage\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries strings\u003c\/td\u003e\n\u003ctd\u003e3S–4S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e20A–35A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous current\u003c\/td\u003e\n\u003ctd\u003e20–35A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBalance current\u003c\/td\u003e\n\u003ctd\u003e20–60 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eUART\/RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport Bluetooth\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth type\u003c\/td\u003e\n\u003ctd\u003eExternal Bluetooth (stated as needing to be purchased separately if needed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport automatic identification of string number\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport display\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay type\u003c\/td\u003e\n\u003ctd\u003eUART\/RS485 display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable battery type\u003c\/td\u003e\n\u003ctd\u003e3.7V Li-ion \/ 3.2V LiFePO4 battery pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (stated)\u003c\/td\u003e\n\u003ctd\u003e80 mm * 60 mm * 12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (by current variant, stated)\u003c\/td\u003e\n\u003ctd\u003e80 * 60 * 12 mm (20A) \/ 80 * 60 * 20 mm (30A, 35A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication (stated)\u003c\/td\u003e\n\u003ctd\u003eElectric products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eFor accessory selection (Bluetooth module, UART\/RS485 display, or UART-to-CAN converter) and tool guidance, contact \u003ca href=\"https:\/\/tsolar.top\/\" rel=\"noopener\" target=\"_blank\"\u003ehttps:\/\/tsolar.top\/\u003c\/a\u003e or email service@tsolar.top.\u003c\/p\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\u003cli\u003ePackage list text states: BMS, “Free BT”, balance wires\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eElectric bicycle\u003c\/li\u003e\n\u003cli\u003eElectric tricycle\u003c\/li\u003e\n\u003cli\u003eElectric car\u003c\/li\u003e\n\u003cli\u003eEnergy storage \/ UPS\u003c\/li\u003e\n\u003cli\u003eRecreational vehicle\u003c\/li\u003e\n\u003cli\u003eSea motorcycle\u003c\/li\u003e\n\u003cli\u003eSolar street light\u003c\/li\u003e\n\u003cli\u003eElectrical tools\u003c\/li\u003e\n\u003cli\u003eAGV logistics vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCertificates (shown)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRoHS Certificate\u003c\/li\u003e\n\u003cli\u003eISO 9001 Certificate\u003c\/li\u003e\n\u003cli\u003eSGS Certificate\u003c\/li\u003e\n\u003cli\u003eTest Report\u003c\/li\u003e\n\u003cli\u003eComputer Software Copyright\u003c\/li\u003e\n\u003cli\u003eInvention Patent\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"OEM\/ODM and in-stock smart BMS product lineup banner with quality and service icons\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a.webp?v=1780545780\"\u003e\u003cimg alt=\"JBD SP04S010A Smart BMS label and wiring ports, highlighting UART\/RS485 communication support\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a_fbac43ab-b0d3-4634-87f4-5f7dfc833687.webp?v=1780545789\"\u003e\u003cp\u003eChoose UART\/RS485 communication for monitoring and parameter setup, with optional Bluetooth and display accessories.\u003c\/p\u003e\n\u003cimg alt=\"Smart BMS board with metal cover and connected communication leads for UART\/485 monitoring setup\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a_2dc79cd5-153b-42fa-a521-1f13cb366827.webp?v=1780545798\"\u003e\u003cimg alt=\"Close-up of JBD SP04S010A Smart BMS enclosure with UART\/485 cable connection points\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a_0be63701-5c99-4020-8c91-e870e42798bf.webp?v=1780545807\"\u003e\u003cp\u003eUART\/Bluetooth share one port, while RS485 can be used at the same time for flexible integration.\u003c\/p\u003e\n\u003cimg alt=\"Temperature sensing probe and connector for Smart BMS adjustable temperature protection control\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a_55a11a28-4f90-4986-bba0-731ee4acd12c.webp?v=1780545816\"\u003e\u003cp\u003eA temperature probe supports adjustable temperature-based protection when configured with the PC tool.\u003c\/p\u003e\n\u003cimg alt=\"Certificate collage including RoHS, ISO 9001, SGS, test report, software copyright, and patent documents\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a_113746d7-9e88-40ac-84ce-ee9e3e681681.webp?v=1780545825\"\u003e\u003cimg alt=\"Company team collage with group photos and meeting scenes under the heading “OUR TEAM”\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a_d7558131-475c-4a6d-876f-12bae73a5e16.webp?v=1780545834\"\u003e\u003cimg alt=\"Exhibition photos and application icons for e-bike, tricycle, EV, UPS storage, RV, and solar street light\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a_3ac19997-abaa-45e6-9d0e-38b61f3dbb7e.webp?v=1780545846\"\u003e\u003cp\u003eSuitable for a wide range of 12V battery-powered applications, from e-bikes and EVs to UPS and solar lighting.\u003c\/p\u003e\n\u003cimg alt=\"Production equipment display list with factory machine photos for SMT, soldering, testing, and inspection\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a_a109e246-6311-4797-a87b-82ba467197e4.webp?v=1780545856\"\u003e\u003cimg alt=\"Payment method logos and packaging\/shipping montage with cartons, pallet loads, air and sea transport\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/JBD-SP04S010A-3s-smart-bms-balancer-board-12v-lifepo4-30a_921f45b1-f839-42c3-812a-9626a7f1e9d3.webp?v=1780545865\"\u003e\u003cp\u003eMultiple payment options are available, with standard packaging and worldwide shipping by air or sea.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"JBD","offers":[{"title":"SP04S010A-NMC-4S-20A-B-U-R","offer_id":52340155580690,"sku":"jbd-16065560601049442646882470-1","price":27.96,"currency_code":"USD","in_stock":true},{"title":"SP04S010A-NMC-4S-30A-B-U-R","offer_id":52340155613458,"sku":"jbd-16065560601049442646882470-2","price":29.5,"currency_code":"USD","in_stock":true},{"title":"SP04S010A-NMC-4S-35A-B-U-R","offer_id":52340155646226,"sku":"jbd-16065560601049442646882470-3","price":31.04,"currency_code":"USD","in_stock":true},{"title":"SP04S010A-LFP-4S-20A-B-U-R","offer_id":52340155678994,"sku":"jbd-16065560601049442646882470-4","price":27.96,"currency_code":"USD","in_stock":true},{"title":"SP04S010A-LFP-4S-30A-B-U-R","offer_id":52340155711762,"sku":"jbd-16065560601049442646882470-5","price":29.5,"currency_code":"USD","in_stock":true},{"title":"SP04S010A-LFP-4S-35A-B-U-R","offer_id":52340155744530,"sku":"jbd-16065560601049442646882470-6","price":31.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/2860\/6994\/files\/4-111.jpg?v=1780503783","url":"https:\/\/tsolar.top\/products\/jbd-sp04s010a-3s-smart-bms-balancer-board","provider":"TSolar","version":"1.0","type":"link"}