{"product_id":"jk-bms-bd4a17s4p-smart-active-balance-bms-7s-17s-40a-with-0-4a-balancing-for-li-ion-lifepo4-lto-batteries","title":"JK BMS BD4A17S4P Smart Active Balance BMS 7S–17S 40A with 0.4A Balancing for Li-ion, LiFePO4 \u0026 LTO Batteries","description":"\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cspan\u003eBuild and manage a compatible lithium battery pack with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eJIKONG JK-BD4A17S4P Smart Battery Management System (BMS)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for battery packs within its supported cell-count ranges, this smart BMS combines battery monitoring, active balancing, and protection functions. Its 0.4A active balancing capability helps manage voltage differences between cells, while its smart monitoring features support battery pack management.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe BD4A17S4P is specified for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7S–17S Li-ion, 8S–17S LiFePO4, and 12S–17S LTO battery configurations\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It has a 40A continuous discharge rating and active balancing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e JK-BD4A17S4P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eActive balancing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.4A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eContinuous discharge current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 40A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBattery chemistry support:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Li-ion, LiFePO4, and LTO\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLi-ion configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7S–17S\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLiFePO4 configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8S–17S\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLTO configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12S–17S\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSmart BMS:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Battery monitoring and management\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCommon-port connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Charge and discharge share a common port\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProtection functions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Overcharge, over-discharge, overcurrent, and short-circuit protection are listed for this model\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJK-BD4A17S4P\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJIKONG \/ JK BMS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBMS type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSmart active balance BMS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLi-ion cell count\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7S–17S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLiFePO4 cell count\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8S–17S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLTO cell count\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12S–17S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eActive balancing current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.4A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eContinuous discharge current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum discharge current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e60A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCharge\/discharge connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCommon port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCell voltage measurement range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1–5V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage acquisition accuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±5mV, listed by manufacturer product page\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature sensing points\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3, according to manufacturer product listing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBluetooth\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupported; verify included hardware revision and app requirements\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRS485\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eListed as a default interface in the manufacturer product information\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAN\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCustom option; confirm configuration before purchase\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The manufacturer’s product information and manuals may show different details depending on revision or configuration. Confirm the exact board revision, interface, harness, and accessories before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Benefits\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eActive Cell Balancing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 0.4A active balancing function is designed to help equalize cell voltages within a compatible battery pack.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSmart Battery Monitoring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe smart BMS provides battery monitoring and management functions. Bluetooth availability is listed for this model, but the exact app, firmware, and connection configuration should be checked for the supplied revision.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMultiple Battery Chemistry Options\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe model is listed for Li-ion, LiFePO4, and LTO packs, with different supported series counts for each chemistry. Select the correct chemistry and cell count before wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBattery Protection Functions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer product information lists overcharge, over-discharge, overcurrent, and short-circuit protection. Protection settings and thresholds must be configured for the actual battery chemistry and pack.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eBattery Chemistry\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSupported Series\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLi-ion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7S–17S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLiFePO4\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8S–17S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLTO\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12S–17S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eUse only with a battery pack that matches the supported chemistry and series count. This BMS is not a universal fit for every lithium battery pack.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible lithium battery pack construction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBattery monitoring and protection projects\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSolar and energy-storage battery systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDIY battery assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLi-ion, LiFePO4, and LTO battery management projects\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese are general application categories. Actual suitability depends on the battery configuration, current requirements, wiring, thermal conditions, and system design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation \u0026amp; Safety\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm battery chemistry and series count before connecting.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow the wiring diagram for the exact BMS revision.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not connect or disconnect balance leads in an arbitrary order.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify cell voltages and polarity before powering the BMS.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse suitable external fuses, conductors, and protective equipment for the battery system.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not exceed the specified continuous current.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfigure protection thresholds according to the battery manufacturer's requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstallation should be performed by a person familiar with lithium battery systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-pm-slice=\"1 3 []\"\u003e\u003cspan\u003eRelated Products \u0026amp; Internal Links\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAdd these relevant Electronics Hub links to the product description after confirming the current product pages:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/electronicshub.pk\/collections\/battery-cells\"\u003e\u003cspan\u003eBattery Cells Collection\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/electronicshub.pk\/product\/18650-lithiom-ion-cell-in-pakistan\/\"\u003e\u003cspan\u003e18650 Lithium-Ion Cell\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/electronicshub.pk\/collections\/battery-cells\/products\/3-7v-18650-battery-with-wire-jst-connector-and-bms-protection\"\u003e\u003cspan\u003e3.7V 18650 Battery with Wire, JST Connector and BMS\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompatibility note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e These links are related battery products, not confirmed compatible pack recommendations for this BMS. Verify cell chemistry, series count, current rating, and pack construction before recommending them together.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eResearch Sources\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/jikongbms.com\/product\/jkbms-bd4a17s4p-7s-17s-active-balance-bms-balance-current-0-4a-continuous-current-40a-lifepo4-li-ion-lto-battery\/\"\u003e\u003cspan\u003eJIKONG official product page — JK-BD4A17S4P\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/jikongbms.com\/wp-content\/uploads\/2024\/07\/JIKONG-BMS-Product-introduction-P.pdf\"\u003e\u003cspan\u003eJIKONG BMS product introduction PDF\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.jkbms.net\/products\/jkbms-jk-bd4a17s4p-smart-bms-17s-40a-0-4a-active-balancer\"\u003e\u003cspan\u003eBD4A17S4P product specifications\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/batteri-energi.dk\/wp-content\/uploads\/2023\/08\/BD4AXXS4P_User_Manual-2.pdf\"\u003e\u003cspan\u003eBD4AxxS4P User Manual PDF\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Electronics Hub","offers":[{"title":"Default Title","offer_id":67893088092473,"sku":null,"price":10000.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/01_main_product_954761ec-f8fc-4957-9f79-f1a862f846b8.png?v=1793609298","url":"https:\/\/electronicshub.pk\/products\/jk-bms-bd4a17s4p-smart-active-balance-bms-7s-17s-40a-with-0-4a-balancing-for-li-ion-lifepo4-lto-batteries","provider":"Electronics Hub","version":"1.0","type":"link"}