Description
Victron Cyrix-Li-ct 230A Battery Combiner | Boat Supply Store
Optimize your vessel's dual-battery system by intelligently combining a LiFePO4 house bank with a traditional lead-acid starter battery. This microprocessor-controlled unit automatically connects batteries during charging and disconnects them when voltage drops, preventing starter battery drain. It handles a robust 230A continuous current at either 12V or 24V DC, ensuring ample power for onboard systems without significant voltage loss, ideal for offshore cruisers navigating the Gulf Coast.
Key Features
- Intelligent Control Microprocessor-controlled operation for seamless battery management.
- Dual Battery Compatibility Specifically designed for combining LiFePO4 house and lead-acid starter batteries.
- High Current Capacity Rated for 230A continuous current to support demanding electrical loads.
- Automatic Operation Connects when charging and disconnects below float voltage, safeguarding your starter.
- Minimal Voltage Drop Virtually no voltage loss ensures efficient power transfer.
- Enhanced Safety Features built-in transient voltage suppression for system protection.
- Start Assist Function Provides a 30-second relay closure to aid engine starting.
- Reliable Disconnection Disengages when battery voltage drops below 13.2V (26.4V for 24V systems).
Specifications
| Product Specifications | |
|---|---|
| Voltage | 12/24V DC |
| Continuous Current Rating | 230A |
| Control | Microprocessor-controlled |
| Battery Types | Lead-acid starter and LiFePO4 house |
| Switching | Voltage-sensitive |
| Start Assist Duration | 30-second relay closure |
| Transient Voltage Suppression | Yes |
| Disconnection Trigger (12V) | Below 13.2V |
| Disconnection Trigger (24V) | Below 26.4V |
| VE.Bus BMS Compatibility | Disengages on high charge disconnect output |
Who This Is For
Marine enthusiasts and boat owners seeking to integrate modern LiFePO4 house batteries with their existing lead-acid starter batteries. This unit provides intelligent charge management and prevents the starter battery from being discharged by house loads.
How It Compares
| Feature | Victron Cyrix-Li-ct 230A Battery Combiner | Competitor |
|---|---|---|
| Voltage Compatibility | 12/24V | 12/24V |
| Continuous Current Rating | 230A | 120A |
| LiFePO4 Battery Compatibility | Yes | No |
| Start Assist Function | Yes (30-second pulse) | No |
| Transient Voltage Suppressor | Yes | No |
Common Concerns Answered
Users sometimes find the setup and understanding of LiFePO4 logic complex. How is this addressed?
While the initial setup requires understanding specific LiFePO4 voltage parameters, the Cyrix-Li-ct's microprocessor control automates the switching logic once configured correctly, simplifying ongoing operation. The detailed manual provides guidance for these specific settings.
Are there widespread issues with premature unit failure?
Reports of premature failures are not widespread and are not typical for Victron Energy products, which are known for their robust construction and reliability in demanding marine environments.
Is the cost higher than simpler battery isolators?
The Cyrix-Li-ct's advanced features, including LiFePO4 compatibility, transient voltage suppression, and intelligent microprocessor control, justify its price point over basic diode isolators by offering superior performance and protection for modern battery systems.
Frequently Asked Questions
What is the primary function of the Victron Cyrix-Li-ct 12/24V-230A?
Its primary function is to automatically and intelligently combine a lead-acid starter battery with a LiFePO4 house battery, ensuring optimal charging for both and preventing the starter battery from being discharged.
Can the Cyrix-Li-ct be used with both lead-acid and LiFePO4 batteries?
Yes, it is specifically engineered for the parallel connection of a lead-acid starter battery and a LiFePO4 battery.
What is the voltage range for the Cyrix-Li-ct?
The Cyrix-Li-ct operates on both 12V and 24V DC systems.
What is the maximum continuous current rating for the Cyrix-Li-ct?
The maximum continuous current rating is 230A.
How does the start assist function work on the Cyrix-Li-ct?
The start assist function temporarily closes the relay for 30 seconds, connecting the house battery to the starter battery to provide additional cranking power for engine starting.