{"product_id":"jiabaida-sp21s001-battery","title":"Jiabaida SP21S001 Smart BMS 8S-21S 100A-200A Built-in Bluetooth \u0026 UART for LiFePO4\/Li-ion Packs","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eJiabaida SP21S001 is a smart Battery Management System (Smart BMS) for lithium battery packs, with built-in Bluetooth and UART communication for monitoring and parameter configuration. It is stated as applicable to 3.7V Li-ion \/ 3.2V LiFePO4 batteries, and also notes LiFePO4\/Li-ion\/LiCoO2 compatibility.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuilt-in Bluetooth (BT) and UART communication\u003c\/li\u003e\n\u003cli\u003eSupports automatic identification of string number\u003c\/li\u003e\n\u003cli\u003eSupports display: UART display\u003c\/li\u003e\n\u003cli\u003eOnline OTA upgrade is stated\u003c\/li\u003e\n\u003cli\u003eCell balancing: idle equalization; balance current 100-150mA\u003c\/li\u003e\n\u003cli\u003eHeat dissipation structure is stated: honeycomb heat sink \u0026amp; aluminum alloy heat sink\u003c\/li\u003e\n\u003cli\u003eNine protection items listed: Overcharge Protection, Over Discharge Protection, Overcurrent Protection, Short Circuit Protection, Temperature Protection, Offline Protection, Surge Protection, Balance Protection, New UV Glue\u003c\/li\u003e\n\u003cli\u003eOvercurrent performance statements: continuous overcurrent 150A\/200A; peak overcurrent 300A\/600A (5S); extreme overcurrent 1200A~1600A (10~500us)\u003c\/li\u003e\n\u003cli\u003eHigh-power bidirectional TVS is stated: 5000W\u003c\/li\u003e\n\u003cli\u003eUART BOX (optional) is shown: adjust protection parameters (voltage\/current\/temperature, etc.), upgrade and record BMS data\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor app manuals, BMS specification, and wiring diagram support, contact \u003ca href=\"https:\/\/tsolar.top\/\" rel=\"noopener\" target=\"_blank\"\u003ehttps:\/\/tsolar.top\/\u003c\/a\u003e or email \u003ca href=\"mailto:service@tsolar.top\"\u003eservice@tsolar.top\u003c\/a\u003e.\u003c\/p\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\u003eSP21S001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e148mm * 92mm * 20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e24V \/ 36V \/ 48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent (continuous)\u003c\/td\u003e\n\u003ctd\u003e100A-200A (also stated: 120-200A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrings\u003c\/td\u003e\n\u003ctd\u003e8S-21S (also stated: 6-21S compatibility)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eUART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eYes; Built-in BT\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 Display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBalancing\u003c\/td\u003e\n\u003ctd\u003eIdle equalization; balance current 100-150mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvercurrent statements\u003c\/td\u003e\n\u003ctd\u003eContinuous overcurrent 150A\/200A; peak overcurrent 300A\/600A 5S; extreme overcurrent 1200A~1600A 10~500us\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTVS statement\u003c\/td\u003e\n\u003ctd\u003eBidirectional TVS 5000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eGood heat dissipation; multiple communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eElectric products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification icons shown\u003c\/td\u003e\n\u003ctd\u003eCE, ISO, FC, PSE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMS with built-in Bluetooth\u003c\/li\u003e\n\u003cli\u003eBalance wires\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSoftware \u0026amp; Tools\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMobile app: “Xiaoxiang Electric” (iOS\/Android). It is stated to monitor and change parameters (within the specified range), with Chinese and English supported. Display items shown include SOC, voltage, current, temperature, differential pressure, alert, number of cycles, and record data. App download link: \u003ca href=\"http:\/\/www.jiabaida.com\/appdown\/index.html\" rel=\"noopener\" target=\"_blank\"\u003ehttp:\/\/www.jiabaida.com\/appdown\/index.html\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePC software: UART “JBD PC Tool Box”. Download link: \u003ca href=\"https:\/\/jbdtools.oss-cn-beijing.aliyuncs.com\/packfile\/JBDTools.zip\" rel=\"noopener\" target=\"_blank\"\u003ehttps:\/\/jbdtools.oss-cn-beijing.aliyuncs.com\/packfile\/JBDTools.zip\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eUART LCD displayer is stated to monitor parameters on an LCD display (accessory sold separately)\u003c\/li\u003e\n\u003cli\u003eWiring diagrams indicate balance-lead mapping and short-connection methods for 14S to 21S configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow speed vehicle\u003c\/li\u003e\n\u003cli\u003eAGV\u003c\/li\u003e\n\u003cli\u003eSpecial vehicle\u003c\/li\u003e\n\u003cli\u003eVehicle\u003c\/li\u003e\n\u003cli\u003eTricycle\u003c\/li\u003e\n\u003cli\u003eElectric motorcycle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Jiabaida SP21S001 Smart BMS product family banner with OEM\/ODM and certification icons\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery.webp?v=1780542870\"\u003e\u003cp\u003eJiabaida SP21S001 is a smart BMS platform for lithium battery packs, offering Bluetooth\/UART communication and multiple configuration options.\u003c\/p\u003e\n\u003cimg alt=\"Jiabaida SP21S001 Smart BMS front view highlighting 8–21S support and 120–200A continuous current\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_56692246-70a7-4630-bca4-ae9dc85d57b6.webp?v=1780542879\"\u003e\u003cp\u003eDesigned for 8–21 series packs, with Bluetooth monitoring and support for LiFePO4 and Li-ion chemistries.\u003c\/p\u003e\n\u003cimg alt=\"Feature overview for Bluetooth integrated chip, online OTA upgrade, and flexible 6–21S compatibility notes\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_f3468ce2-4fb0-4e3e-86b2-9bac9d0c48c1.webp?v=1780542889\"\u003e\u003cp\u003eBluetooth integration enables remote monitoring, and OTA upgrade support helps keep settings and firmware up to date.\u003c\/p\u003e\n\u003cimg alt=\"Nine protection functions list for lithium battery pack: over\/under voltage, overcurrent, short circuit, temperature and more\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_694010a2-37d9-4b42-84c0-b0a64e72db67.webp?v=1780542898\"\u003e\u003cp\u003eMultiple protections cover common fault conditions such as overcharge, over-discharge, overcurrent, short circuit, and temperature events.\u003c\/p\u003e\n\u003cimg alt=\"Application scenarios graphic for smart BMS in low-speed vehicles, AGV, special vehicles, tricycles and e-motorcycles\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_21dff028-66dd-4758-b08c-5e5dac2ad921.webp?v=1780542907\"\u003e\u003cp\u003eA practical fit for many electric vehicle and mobility builds, from low-speed vehicles to AGVs and tricycles.\u003c\/p\u003e\n\u003cimg alt=\"Super overcurrent performance graphic listing continuous 150A\/200A, peak 300A\/600A (5s), extreme 1200–1600A\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_45c1dd52-04f9-41f2-aa78-437277a49ee3.webp?v=1780542917\"\u003e\u003cp\u003eHigh-current MOS design supports continuous 150A\/200A operation with higher short-duration peak capability.\u003c\/p\u003e\n\u003cimg alt=\"Rapid heat dissipation structure with honeycomb and aluminum alloy heat sinks over the BMS board\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_9d070fcc-dabc-44b3-a952-203d0c340ca4.webp?v=1780542927\"\u003e\u003cp\u003eHeat-sink structure is built for improved thermal performance during sustained high-current operation.\u003c\/p\u003e\n\u003cimg alt=\"Intelligent cell balancing management infographic comparing voltage consistency before and after equalization\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_7c865500-5109-41ca-b95d-2256aa932106.webp?v=1780542936\"\u003e\u003cp\u003eIdle equalization helps reduce cell-to-cell voltage differences to support stable pack performance over time.\u003c\/p\u003e\n\u003cimg alt=\"Close-up of high-power bidirectional TVS protection section labeled 5000W for reverse voltage and surge resistance\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_5d075302-32ab-4b04-960b-ddf223ef1290.webp?v=1780542946\"\u003e\u003cp\u003eA 5000W bidirectional TVS stage is included to improve resistance to surge and reverse-voltage impact.\u003c\/p\u003e\n\u003cimg alt=\"Xiaoxiang Electric mobile app screen for Bluetooth battery visualization: SOC, voltage, current, temperature and records\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_9fa203d8-4a41-48ff-a555-e9f184f1b96d.webp?v=1780542955\"\u003e\u003cp\u003eThe Xiaoxiang Electric app displays SOC, voltage, current, temperature, cycle count, alerts, and recorded data.\u003c\/p\u003e\n\u003cimg alt=\"UART BOX optional PC tool interface for adjusting protection parameters and upgrading\/recording BMS data\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_cdabdea7-8901-4d5c-921b-c437e18508d8.webp?v=1780542964\"\u003e\u003cp\u003eOptional UART tools allow parameter tuning for voltage, current, and temperature protections, plus data logging.\u003c\/p\u003e\n\u003cimg alt=\"21S and 20S balance lead wiring connection diagram for SP21S001 with labeled B-, C- and UART ports (Chinese text)\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery.png?v=1780543068\"\u003e\u003cp\u003eUse the balance-wire mapping guide to connect the correct series count before powering the pack.\u003c\/p\u003e\n\u003cimg alt=\"19S and 18S balance wiring diagrams with numbered cell taps and short-connection method notes (Chinese text)\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_5db8abfd-21e5-4db4-a75e-636d3f2f6dac.png?v=1780543076\"\u003e\u003cp\u003eShort-connection methods for different string counts help adapt the same BMS to multiple pack configurations.\u003c\/p\u003e\n\u003cimg alt=\"17S and 16S balance lead connection diagrams with numbered taps and short wiring instructions (Chinese text)\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_d4e080d7-0957-4d71-bf7d-2471cf8e3c8f.png?v=1780543085\"\u003e\u003cp\u003eFollow the numbered tap order carefully to avoid incorrect balance lead placement.\u003c\/p\u003e\n\u003cimg alt=\"15S and 14S balance wiring diagrams showing cell tap numbering and short connection method (Chinese text)\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_86b4efd3-8a48-496a-9d75-6a9c580de5b4.png?v=1780543094\"\u003e\u003cp\u003eThese wiring references support common mid-voltage builds where fewer series cells are used.\u003c\/p\u003e\n\u003cimg alt=\"13S and 12S balance wiring connection diagrams with numbered leads and shorting notes (Chinese text)\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_126827c4-0671-48f0-a270-3984abadd918.png?v=1780543103\"\u003e\u003cp\u003eCorrect balance lead routing is essential for accurate monitoring, protection, and balancing behavior.\u003c\/p\u003e\n\u003cimg alt=\"11S and 10S balance wire short-connection diagrams with numbered cell taps (Chinese text)\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_98d5e593-fa10-481f-8add-e0385d6697c5.png?v=1780543113\"\u003e\u003cp\u003eLower series-count packs can be supported by applying the appropriate short-connection scheme.\u003c\/p\u003e\n\u003cimg alt=\"9S balance wiring short-connection diagram with numbered cell taps and BMS connector callouts (Chinese text)\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_4d8b10b8-f8e4-4676-bc62-951bfa9f9a0a.png?v=1780543122\"\u003e\u003cp\u003eWhen building smaller packs, use the 9S mapping to match each tap to the correct cell group.\u003c\/p\u003e\n\u003cimg alt=\"Wiring diagram for Jiabaida Smart BMS showing 8S balance lead connections plus UART, switch, and temp probe ports\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_4d937d41-207f-4e1b-8b6d-9d8194a2346a.png?v=1780543131\"\u003e\u003cp\u003eJiabaida SP21S001 Smart BMS wiring uses an 8-series balance lead layout with labeled UART, switch, and temperature sensor connectors for clean setup.\u003c\/p\u003e\n\u003cimg alt=\"Application graphic showing solar street lamp, electric tool, AGV, energy storage UPS, emergency power, and e-vehicles\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_4b4cc256-caa3-4da9-95ed-9ae877088a22.webp?v=1780542987\"\u003e\u003cp\u003eThe smart BMS is intended for a wide range of applications, including solar street lamps, energy storage UPS, emergency power, and electric vehicles.\u003c\/p\u003e\n\u003cimg alt=\"Collage of company certificates including RoHS, ISO 9001, SGS, test reports, and patent documents.\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_61243b87-20a8-47ba-9a77-2548f1210497.webp?v=1780542996\"\u003e\u003cp\u003eDocumentation lists RoHS, ISO 9001, SGS, and patent-related certificates associated with the Jiabaida SP21S001 Smart BMS.\u003c\/p\u003e\n\u003cimg alt=\"Collage of exhibition photos showing booth displays and attendees posing for group pictures at a trade show\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_eb051c93-b2a4-44f8-9475-56fe0ffd7a57.webp?v=1780543005\"\u003e\u003cimg alt=\"Equipment display collage with table of production machines and photos of SMT, soldering, testing, and assembly stations.\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_2577ba14-9586-4add-8892-d713ac7ad105.webp?v=1780543016\"\u003e\u003cp\u003eA production equipment overview lists key machines used for SMT placement, soldering, testing, and assembly processes.\u003c\/p\u003e\n\u003cimg alt=\"Payment methods logos and packaging \u0026amp; shipping collage with boxed pallets, container ship, and cargo plane\" loading=\"lazy\" src=\"https:\/\/tsolar.top\/cdn\/shop\/files\/Jiabaida-SP21S001-150a-200a-21s-smart-lithium-battery_2b1d8f8a-9e07-4346-827b-47e7a77525b8.webp?v=1780543025\"\u003e\u003cp\u003eMultiple payment options are supported, and orders are packed and shipped in bulk cartons for delivery.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"JBD","offers":[{"title":"SP21S001-NMC-21S-150A-B-U","offer_id":52340149256466,"sku":"jbd-16065560600694436760472470-1","price":71.5,"currency_code":"USD","in_stock":true},{"title":"SP21S001-NMC-21S-200A-B-U","offer_id":52340149289234,"sku":"jbd-16065560600694436760472470-2","price":79.9,"currency_code":"USD","in_stock":true},{"title":"SP21S001-LFP-21S-150A-B-U","offer_id":52340149322002,"sku":"jbd-16065560600694436760472470-3","price":71.5,"currency_code":"USD","in_stock":true},{"title":"SP21S001-LFP-21S-200A-B-U","offer_id":52340149354770,"sku":"jbd-16065560600694436760472470-4","price":79.9,"currency_code":"USD","in_stock":true},{"title":"SP21S001-LFP-21S-120A-B-U","offer_id":52340149387538,"sku":"jbd-16065560600694436760472470-5","price":60.3,"currency_code":"USD","in_stock":true},{"title":"SP21S001-LFP-21S-100A-B-U","offer_id":52340149420306,"sku":"jbd-16065560600694436760472470-6","price":56.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/2860\/6994\/files\/6-_1.png?v=1780502995","url":"https:\/\/tsolar.top\/products\/jiabaida-sp21s001-battery","provider":"TSolar","version":"1.0","type":"link"}