{"product":{"id":7512099520674,"title":"JBD Smart bms 3S 4S 100A 120A 150A 200A LiFePO4 Battery PCB with Uart Heating Function \u0026 Series Connection","body_html":"\u003ch2\u003eSP04S034 Smart bms\u003c\/h2\u003e\n\u003cdiv class=\"do-entry do-entry-separate\" data-e2e-name=\"quickDetail\"\u003e\n\u003cdiv class=\"do-entry-title\" data-spm-anchor-id=\"a2700.wholesale.0.i27.3a3019fdqbSLl8\"\u003e\n\u003cdiv id=\"module_product_packaging_and_quick_detail\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"widget-detail-overview\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"do-content\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"do-overview\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"do-entry do-entry-separate\" data-e2e-name=\"quickDetail\" data-mce-fragment=\"1\"\u003e\n\u003ch3 class=\"do-entry-title\" data-mce-fragment=\"1\"\u003eQuick Details\u003c\/h3\u003e\n\u003cdiv class=\"do-entry-list\" data-mce-fragment=\"1\"\u003e\n\u003cdl class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Model Number\" data-mce-fragment=\"1\"\u003eModel Number: \u003c\/span\u003eSP04S034\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Type\" data-mce-fragment=\"1\"\u003eType: \u003c\/span\u003ebms pcba\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Place of Origin\" data-mce-fragment=\"1\"\u003ePlace of Origin: \u003c\/span\u003eChina\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Brand Name\" data-mce-fragment=\"1\"\u003eBrand Name: \u003c\/span\u003eJBD\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Product Name\" data-mce-fragment=\"1\"\u003eProduct Name: \u003c\/span\u003elifepo4 bms\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Product Size\" data-mce-fragment=\"1\"\u003eProduct Size: \u003c\/span\u003e232*105*20mm\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Customized\" data-mce-fragment=\"1\"\u003eCustomized: \u003c\/span\u003eYes\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Communication Protocol\" data-mce-fragment=\"1\"\u003eCommunication Protocol: \u003c\/span\u003eBluetooth\/RS485\/UART\/Heating\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"String\" data-mce-fragment=\"1\"\u003eString: \u003c\/span\u003e3-4S\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Sample  Time\" data-mce-fragment=\"1\"\u003eSample Time: \u003c\/span\u003e1-3 Working day\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Testing Service\" data-mce-fragment=\"1\"\u003eTesting Service: \u003c\/span\u003e100% Testing\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Usage\" data-mce-fragment=\"1\"\u003eUsage: \u003c\/span\u003eLithium Battery Pack\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Short-circuit protection\" data-mce-fragment=\"1\"\u003eShort-circuit protection: \u003c\/span\u003eyes\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cspan class=\"attr-name J-attr-name\" title=\"Charge\/discharge protection\" data-mce-fragment=\"1\"\u003eCharge\/discharge protection: \u003c\/span\u003eyes\u003c\/dt\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"do-entry do-entry-full\" data-e2e-name=\"productPackaging\" data-mce-fragment=\"1\"\u003e\n\u003ch3 class=\"do-entry-title\" data-mce-fragment=\"1\"\u003ePackaging \u0026amp; Delivery\u003c\/h3\u003e\n\u003cdiv class=\"do-entry-list\" data-mce-fragment=\"1\"\u003e\n\u003cdl class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cdt class=\"do-entry-item-key\" data-mce-fragment=\"1\"\u003eSelling Units: Single item\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item-key\" data-mce-fragment=\"1\"\u003eSingle package size:  23X13X16 cm\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item-key\" data-mce-fragment=\"1\"\u003eSingle gross weight: 1.000\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ekg\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item-key\" data-mce-fragment=\"1\"\u003ePackage Type: Manufactuers will upgrade the packaging sometimes,please refer to the actual object received.\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item-key\" data-mce-fragment=\"1\"\u003ePackage Content : 1* BMS *Balance wires* Bluetooth Module\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item-key\" data-mce-fragment=\"1\"\u003eNote: UART\/RS485 communication box should be purchased seperately\u003c\/dt\u003e\n\u003c\/dl\u003e\n\u003cdl class=\"do-entry-item\" data-mce-fragment=\"1\"\u003e\n\u003cdt class=\"do-entry-item-key\" data-mce-fragment=\"1\"\u003ePicture Example:\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item-key\" data-mce-fragment=\"1\"\u003e\u003cimg class=\"package-img-entry\" src=\"https:\/\/sc01.alicdn.com\/kf\/H56adb05e1af640e1ae0f90c21d25f24e8.jpg\" alt=\"package-img\" width=\"400\" height=\"320\" data-mce-fragment=\"1\"\u003e\u003c\/dt\u003e\n\u003cdt class=\"do-entry-item-key\" data-mce-fragment=\"1\"\u003e\u003cimg class=\"package-img-entry\" src=\"https:\/\/sc01.alicdn.com\/kf\/Ha7ff18de170345de90902a934dff03aa1.jpg\" alt=\"package-img\" width=\"401\" height=\"321\" data-mce-fragment=\"1\"\u003e\u003c\/dt\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"module_detail_video\" data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"module_product_specification\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"J-rich-text-description\" class=\"richtext richtext-detail rich-text-description\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBMS Lifepo4 Details :\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eOperating Current (MAX)\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e150A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eConnection Port\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003esame port for charge and discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eCharge voltage(recommend)\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e14.4V \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eWorking voltage range\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e9.2v-15.0v\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eShort Circuit Protection \u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eInternal Resistance\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u0026lt;10mR\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e-30 degree~75 degree\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eDischarge Protection overtemperature\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e72~78 degree\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eCharge Protection overcurrent \u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e160~200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\"\u003eDischarge protection undertemperature\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e-25-15 degree \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/s.alicdn.com\/@sc04\/kf\/H94431864b81242b5a5e5e6afbf81aadfP\/238423188\/H94431864b81242b5a5e5e6afbf81aadfP.jpg?quality=close\" alt=\"Smart BMS Lifepo4  3S 4S 100a 120a 150a 200a for DIY 12V Lithium Battery BMS RS485\/Heating\" width=\"400\" height=\"653\" data-height=\"864\" data-width=\"529\" data-alt=\"Smart BMS Lifepo4  3S 4S 100a 120a 150a 200a for DIY 12V Lithium Battery BMS RS485\/Heating\" data-src=\"\/\/s.alicdn.com\/@sc04\/kf\/H94431864b81242b5a5e5e6afbf81aadfP\/238423188\/H94431864b81242b5a5e5e6afbf81aadfP.jpg?quality=close\" data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/s.alicdn.com\/@sc04\/kf\/Ha9a0d28f26a34d7ca4e3d89f3d99ff845\/238423188\/Ha9a0d28f26a34d7ca4e3d89f3d99ff845.jpg?quality=close\" alt=\"Smart BMS Lifepo4  3S 4S 100a 120a 150a 200a for DIY 12V Lithium Battery BMS RS485\/Heating\" width=\"401\" height=\"462\" data-height=\"611\" data-width=\"530\" data-alt=\"Smart BMS Lifepo4  3S 4S 100a 120a 150a 200a for DIY 12V Lithium Battery BMS RS485\/Heating\" data-src=\"\/\/s.alicdn.com\/@sc04\/kf\/Ha9a0d28f26a34d7ca4e3d89f3d99ff845\/238423188\/Ha9a0d28f26a34d7ca4e3d89f3d99ff845.jpg?quality=close\" data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/s.alicdn.com\/@sc04\/kf\/H7717e22fa1d645698d3dd28f58892480A\/238423188\/H7717e22fa1d645698d3dd28f58892480A.jpg?quality=close\" alt=\"Smart BMS Lifepo4  3S 4S 100a 120a 150a 200a for DIY 12V Lithium Battery BMS RS485\/Heating\" width=\"401\" height=\"569\" data-height=\"754\" data-width=\"531\" data-alt=\"Smart BMS Lifepo4  3S 4S 100a 120a 150a 200a for DIY 12V Lithium Battery BMS RS485\/Heating\" data-src=\"\/\/s.alicdn.com\/@sc04\/kf\/H7717e22fa1d645698d3dd28f58892480A\/238423188\/H7717e22fa1d645698d3dd28f58892480A.jpg?quality=close\" data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eProtection function description\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp data-spm-anchor-id=\"a2700.wholesale.0.i27.1dd450b00mYaXG\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eOvercharge protection:\u003c\/strong\u003e \u003c\/span\u003eWhen the battery is under the charging state, the voltage keeps going up. When the protection board detects that the voltage of any cell is higher than the overcharge protection value, the protection board will start timing immediately. When the time reaches the overcharge protection delay, the protection board will turn off the charging MOS tube, at that time, it cannot be charged.\u003cbr data-mce-fragment=\"1\"\u003eOvercharge protection recovery: After the overvoltage protection appears on the protection board, the battery voltage will going down under the static or discharge state of the battery. When the protection board detects that each voltage is lower than the recovery voltage of the overcharge protection, the protection board will output a signal and turn on the charging MOS tube to charge.\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eOver-discharge protection: \u003c\/strong\u003e\u003c\/span\u003eWhen the battery is under the discharge state, the voltage keeps going down. When the protection board detects that the voltage of any cell is lower than the overcharge protection value, the protection board will start timing immediately. When the time reaches the over discharge protection delay, the output signal of the protection board will turn off the discharge MOS tube, the load lock circuit will work, but, it cannot discharge at this time.\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOver discharge protection recovery:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eAfter the over discharge protection appears on the protection board, the battery voltage will going up under the static or discharge state of the battery. When the protection board detects that each voltage is higher than the recovery voltage of the over discharge protection. At this time, disconnect the load or charge, the protection board will output a signal and turn on the charging MOS tube to charge.\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOvercurrent protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eWhen the battery is under the static or discharge state, the current suddenly increases. When the protection board detects that the current reaches the overcurrent protection value, the protection board will start timing at that time. When the current duration in the circuit reaches the overcurrent protection delay time, the output signal of the protection board will turn off the discharge MOS tube, and the load lock circuit will work. At this time, the discharge cannot be conducted.\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOvercurrent protection recovery: \u003c\/span\u003e\u003c\/strong\u003eAfter the discharge overcurrent protection appears on the protection board, the discharge MOS tube is turned off, and the current in the loop becomes 0. At this time, the load is disconnected or charged, the output signal of the protection board will turn on the discharge MOS tube to discharge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cimg style=\"font-size: 1.4em;\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0606\/5199\/5298\/files\/11_480x480.jpg?v=1646970971\" alt=\"\" width=\"399\" height=\"574\" data-mce-fragment=\"1\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","vendor":"Jiabaida BMS","product_type":"","created_at":"2022-05-20T11:15:39+08:00","handle":"jbd-smart-bms-3s-4s-100a-120a-150a-200a-lithium-lion-battery-pcb-with-uart-heating-function-series-connection","updated_at":"2026-10-24T01:16:17+08:00","published_at":"2025-09-20T11:48:05+08:00","template_suffix":"","published_scope":"web","tags":"smart bms","variants":[{"id":42191950643362,"product_id":7512099520674,"title":"3S 4S 3.2V 100A LiFePO4 \/ Balance+Bluetooth+UART","price":"66.81","sku":"JBD-SP04S034-L4S-100A-B-U","position":1,"compare_at_price":"72.40","fulfillment_service":"manual","inventory_management":"shopify","option1":"3S 4S 3.2V 100A LiFePO4","option2":"Balance+Bluetooth+UART","option3":null,"created_at":"2022-05-20T11:25:35+08:00","updated_at":"2026-10-24T01:16:17+08:00","taxable":false,"barcode":"","grams":500,"image_id":null,"weight":0.5,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"USD","compare_at_price_currency":"USD","quantity_price_breaks":[]},{"id":42191950676130,"product_id":7512099520674,"title":"3S 4S 3.2V 100A LiFePO4 \/ Balance+Bluetooth+UART+Heating","price":"67.87","sku":"JBD-SP04S034-L4S-100A-B-U-H","position":2,"compare_at_price":"73.75","fulfillment_service":"manual","inventory_management":"shopify","option1":"3S 4S 3.2V 100A LiFePO4","option2":"Balance+Bluetooth+UART+Heating","option3":null,"created_at":"2022-05-20T11:25:35+08:00","updated_at":"2026-10-24T01:16:17+08:00","taxable":false,"barcode":"","grams":500,"image_id":null,"weight":0.5,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"USD","compare_at_price_currency":"USD","quantity_price_breaks":[]},{"id":42191950741666,"product_id":7512099520674,"title":"3S 4S 3.2V 100A LiFePO4 \/ Balance+Bluetooth+UART+Heating+Series Connection","price":"69.97","sku":"JBD-SP04S034-L4S-100A-B-U-H-S","position":3,"compare_at_price":"76.95","fulfillment_service":"manual","inventory_management":"shopify","option1":"3S 4S 3.2V 100A LiFePO4","option2":"Balance+Bluetooth+UART+Heating+Series Connection","option3":null,"created_at":"2022-05-20T11:25:35+08:00","updated_at":"2026-10-24T01:16:17+08:00","taxable":false,"barcode":"","grams":500,"image_id":null,"weight":0.5,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"USD","compare_at_price_currency":"USD","quantity_price_breaks":[]},{"id":42191950774434,"product_id":7512099520674,"title":"3S 4S 3.2V 120A LiFePO4 \/ Balance+Bluetooth+UART","price":"69.97","sku":"JBD-SP04S034-L4S-120A-B-U","position":4,"compare_at_price":"75.94","fulfillment_service":"manual","inventory_management":"shopify","option1":"3S 4S 3.2V 120A LiFePO4","option2":"Balance+Bluetooth+UART","option3":null,"created_at":"2022-05-20T11:25:35+08:00","updated_at":"2026-10-24T01:16:17+08:00","taxable":false,"barcode":"","grams":500,"image_id":null,"weight":0.5,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"USD","compare_at_price_currency":"USD","quantity_price_breaks":[]},{"id":42191950807202,"product_id":7512099520674,"title":"3S 4S 3.2V 120A LiFePO4 \/ Balance+Bluetooth+UART+Heating","price":"71.03","sku":"JBD-SP04S034-L4S-120A-B-U-H","position":5,"compare_at_price":"77.46","fulfillment_service":"manual","inventory_management":"shopify","option1":"3S 4S 3.2V 120A 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