{"product_id":"victron-cyrix-li-ct-intelligent-li-ion-battery-com-19193","title":"Victron Energy - 12\/24V - Cyrix-Li-ct Intelligent Li-Ion Battery Combiner 12\/24V-230A VSR","description":"\u003ch2\u003eAdvanced 12\/24V 230A Lithium Battery Combiner\u003c\/h2\u003e\n\u003ch3\u003eIntelligent Dual Battery Management for LiFePO4 Systems\u003c\/h3\u003e\n\u003cp\u003eThe Victron Cyrix-Li-ct is a highly sophisticated, microprocessor-controlled heavy-duty relay designed explicitly for dual battery setups that combine a traditional lead-acid starter battery with a LiFePO4 (Lithium Iron Phosphate) auxiliary battery. Managing the connection between two fundamentally different battery chemistries requires precision. This intelligent relay ensures your batteries are safely paralleled for charging while protecting your sensitive lithium cells from improper voltage levels and extreme temperature conditions. Operating seamlessly at both 12V and 24V with a robust 230A continuous current rating, it is engineered for demanding marine, RV, and off-grid automotive applications.\u003c\/p\u003e\n\u003ch3\u003eSeamless VE.Bus BMS Integration\u003c\/h3\u003e\n\u003cp\u003eLithium batteries require strict operational parameters to prevent permanent cell damage. The Cyrix-Li-ct is designed to work in perfect harmony with the Victron VE.Bus BMS (Battery Management System). It actively monitors the Charge Disconnect output of the BMS. If the BMS detects an imminent cell overvoltage or high internal temperature, the control output becomes free-floating, and the relay immediately disengages to protect the battery bank. It will parallel connect your lead-acid and lithium batteries only when the BMS authorises charging and the relay senses at least 13.4V (or 26.8V for 24V systems) on one of its power terminals.\u003c\/p\u003e\n\u003ch3\u003eBuilt-In Transient Voltage Suppression\u003c\/h3\u003e\n\u003cp\u003eSudden disconnections under heavy charge loads can create dangerous voltage spikes, which pose a significant risk to connected sensitive electronics. To mitigate this, the Cyrix-Li-ct features a built-in transient voltage suppressor. This critical safety component absorbs and limits any hazardous voltage spikes that may occur when the relay suddenly opens due to a BMS alarm, ensuring the continued safety of your vehicle or vessel's electrical network.\u003c\/p\u003e\n\u003ch3\u003eStart Assist Functionality\u003c\/h3\u003e\n\u003cp\u003eIn emergency situations where your lead-acid starter battery is depleted, the Cyrix-Li-ct includes a highly practical start assist feature. By applying a short positive pulse to the dedicated control terminal, the relay forces the contacts closed for 30 seconds. This temporarily bridges the lithium house battery to the starter battery, providing the necessary cranking current to start your engine, ensuring you are never left stranded in remote locations.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntelligent parallel connection of lead-acid starter and LiFePO4 house batteries\u003c\/li\u003e\n\u003cli\u003eRobust 230A continuous current rating for demanding high-draw systems\u003c\/li\u003e\n\u003cli\u003eDirect integration with Victron VE.Bus BMS for superior cell protection\u003c\/li\u003e\n\u003cli\u003eIntegrated transient voltage suppressor to prevent damaging electrical spikes\u003c\/li\u003e\n\u003cli\u003eEmergency start assist function bridges batteries for 30 seconds\u003c\/li\u003e\n\u003cli\u003eAutomatic 12V and 24V system voltage detection\u003c\/li\u003e\n\u003cli\u003eDisengages immediately upon BMS alarm or when battery voltage drops below 13.2V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClear LED Status Indication\u003c\/h3\u003e\n\u003cp\u003eMonitoring the real-time operational status of your dual battery system is made straightforward via the integrated blue LED indicator on the top of the unit. The LED provides immediate visual feedback:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid LED:\u003c\/strong\u003e Relay is engaged and batteries are paralleled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-second flash:\u003c\/strong\u003e Relay is disengaged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-second flash:\u003c\/strong\u003e Connection is pending\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-second blink:\u003c\/strong\u003e Disconnection is pending\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.25-second rapid blink:\u003c\/strong\u003e Alarm state (triggered by over-temperature, high voltage exceeding 16V, both batteries below 10V, or one battery below 2V)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptimise Your Off-Grid Power Architecture\u003c\/h3\u003e\n\u003cp\u003eRelying on generic isolation switches for mixed-chemistry battery banks can lead to suboptimal charging and potential cell damage. Integrating this sophisticated relay into your electrical system ensures that your investment in premium lithium storage remains fully protected. Upgrade your mobile power system with the Victron Cyrix-Li-ct 12\/24V 230A today and ensure safe, efficient, and intelligent battery management for your next journey.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"product-specifications\" style=\"width:100%; border-collapse:collapse; border:1px solid #d9d9d9; table-layout:auto;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eCyrix-Li-ct 12\/24-230\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eWill Parallel Connect A Lead Acid Starter Battery And A LiFePO4 Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eContinuous Current And Breaking Capacity At 12 V Or 24 V\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e230 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eBreaking Capacity At 48 V\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eN.A.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eControl Cable\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eIncluded (Length 1 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eControl Input\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eThe Cyrix Engages When The Control Input Is High (Appr. Battery Voltage). The Cyrix Disengages When The Control Input Is Left Free Floating Or Pulled Low.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eConnect Voltage (12 V System)\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e13.4 V \u0026lt; V \u0026lt; 13.7 V: 120 s; 13.7 V \u0026lt; V \u0026lt; 13.9 V: 30 s; V \u0026gt; 13.9 V: 4 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eConnect Voltage (24 V System)\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e26.8 V \u0026lt; V \u0026lt; 27.4 V: 120 s; 27.4 V \u0026lt; V \u0026lt; 27.8 V: 30 s; V \u0026gt; 27.8 V: 4 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eDisconnect Voltage (12 V System)\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eV \u0026lt; 13.2 V: Immediate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eDisconnect Voltage (24 V System)\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eV \u0026lt; 26.4 V: Immediate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eStart Assist Function\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eA Short Negative Pulse Will Close The Relay During 30 Seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eTransient Voltage Suppressor\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eBuilt-In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eLED Status Indication\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eYes; LED On: Engaged; LED 10 s Flash: Disengaged; LED 2 s Flash: Connecting; LED 2 s Blink: Disconnecting; LED 0.25 s Blink: Alarm (Over Temperature; Voltage \u0026gt; 16 V; Both Batteries \u0026lt; 10 V; One Battery \u0026lt; 2 V) (Multiply by Two for 24 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eCurrent Consumption When Open\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e\u0026lt; 4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eProtection Category\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e0.27 kg (0.6 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e65 x 100 x 50 mm (2.6 x 4.0 x 2.0 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":52364356157723,"sku":"Vic-CYR010230412","price":249.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/3354\/9083\/files\/Vic-CYR010230412-01.jpg?v=1781658046","url":"https:\/\/www.nbcampingequipment.com.au\/products\/victron-cyrix-li-ct-intelligent-li-ion-battery-com-19193","provider":"NB Camping Equipment","version":"1.0","type":"link"}