{"product_id":"jk-dz11b2a24s-active-balancer","title":"JKBMS Active Balancer JK-DZ11B2A24S — 2A 2~24S RS485 Battery Equalizer with Cascade","description":"\u003ch2\u003eJKBMS JK-DZ11B2A24S — 2A Active Battery Balancer for 2~24S with Standard RS485 \u0026amp; Cascade\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eJK-DZ11B2A24S\u003c\/strong\u003e is the RS485-standard flagship of the JKBMS 2A active balancer lineup, purpose-built for large-format 2 to 24 series battery systems. With \u003cstrong\u003eRS485 communication built in as standard\u003c\/strong\u003e, it integrates seamlessly with inverters, BMS controllers, SCADA systems, and energy management platforms — right out of the box, no optional add-ons required.\u003c\/p\u003e\u003cp\u003eNeed to go beyond 24S? The JK-DZ11B2A24S supports \u003cstrong\u003ecascade installation\u003c\/strong\u003e, allowing multiple units to be daisy-chained for systems exceeding 24 cells. Combined with standard temperature monitoring and a constant 2A ultracapacitor balancing current, this is the go-to balancer for serious residential and commercial ESS deployments.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS485 communication — standard built-in\u003c\/strong\u003e, no extra cost or configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCascade capable\u003c\/strong\u003e — expand beyond 24S by linking multiple units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard temperature sensor input\u003c\/strong\u003e — included as standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2A constant active balancing current\u003c\/strong\u003e — independent of cell voltage delta\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports 2~24S configurations\u003c\/strong\u003e — LiFePO4, Li-ion, LiPo, LTO, lead-acid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-precision voltage monitoring\u003c\/strong\u003e — ±3mV accuracy per cell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth connectivity\u003c\/strong\u003e — monitor and configure via mobile app\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional CAN communication\u003c\/strong\u003e (select at order, replaces RS485)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLED Bluetooth status indicator\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDimensions: 157.6 × 99 × 18.5 mm | Weight: 360g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCell count: 2S ~ 24S\u003c\/li\u003e\n\u003cli\u003eBalancing current: 2A (constant)\u003c\/li\u003e\n\u003cli\u003eCell voltage range: 1V ~ 5V\u003c\/li\u003e\n\u003cli\u003eVoltage accuracy: ±3mV\u003c\/li\u003e\n\u003cli\u003eExternal power supply: DC 20~100V (via V+ \/ V− terminals)\u003c\/li\u003e\n\u003cli\u003eRS485: Standard built-in\u003c\/li\u003e\n\u003cli\u003eTemperature sensor: Standard built-in\u003c\/li\u003e\n\u003cli\u003eCascade: Supported\u003c\/li\u003e\n\u003cli\u003eDimensions: 157.6 × 99 × 18.5 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 360g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInterface\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eP1\u003c\/strong\u003e — Balance \u0026amp; cell voltage connector: B0~B24 cell taps + V+\/V− power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP2\u003c\/strong\u003e — Temperature sensor input (standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP3\u003c\/strong\u003e — RS485 communication port (standard) \/ optional CAN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCascade port\u003c\/strong\u003e — for multi-unit daisy-chain beyond 24S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD1\u003c\/strong\u003e — LED Bluetooth status indicator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarge residential energy storage systems (ESS) — 48V, 72V, 96V+\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial battery systems with RS485 integration\u003c\/li\u003e\n\u003cli\u003eSolar power stations requiring SCADA or BMS communication\u003c\/li\u003e\n\u003cli\u003eHigh-voltage backup power systems\u003c\/li\u003e\n\u003cli\u003eMulti-unit cascade installations beyond 24S\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWiring Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVerify all balance wire connections before powering on\u003c\/li\u003e\n\u003cli\u003eRS485 A\/B terminals connect directly to inverter or BMS RS485 port\u003c\/li\u003e\n\u003cli\u003eFor cascade: connect cascade port of unit 1 to input of unit 2\u003c\/li\u003e\n\u003cli\u003eNo power-on switch — starts balancing automatically upon connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e📱 \u003cstrong\u003eBluetooth App:\u003c\/strong\u003e Available for iOS and Android — monitor cell voltages, balancing status, and configure parameters wirelessly.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003e⚠️ \u003cstrong\u003eShipping Note:\u003c\/strong\u003e Default ships from China. US warehouse stock available upon request — US inventory levels may vary and cannot be guaranteed. Please contact us before ordering if US local shipping is required. WhatsApp: \u003ca href=\"https:\/\/wa.me\/18189383175\"\u003e+1 818 938 3175\u003c\/a\u003e\u003c\/small\u003e\u003c\/p\u003e\u003cp\u003eNeed help? Contact us via WhatsApp: \u003ca href=\"https:\/\/wa.me\/18189383175\"\u003e+1 818 938 3175\u003c\/a\u003e | Email: service@jkbms-ess.com\u003c\/p\u003e","brand":"JKBMS","offers":[{"title":"Default Title","offer_id":49553422811274,"sku":"JK-DZ11B2A24S","price":77.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0591\/1434\/files\/JKBMS_JK-DZ11B2A24S_2A_Active_Battery_Balancer_for_2_24S_LiFePO4_Lithium_Battery_Packs_with_RS485.jpg?v=1781544927","url":"https:\/\/jkbms-ess.com\/en-eu\/products\/jk-dz11b2a24s-active-balancer","provider":"JKBMS-ESS","version":"1.0","type":"link"}