Description
Victron CYRIX-CT 12/24V-120A Battery Combiner | Boat Supply Store
For vessels requiring a robust dual-battery system, this microprocessor-controlled relay automatically ensures that both starter and house banks are efficiently charged without compromising their individual discharge capabilities. Operating seamlessly in 12V and 24V configurations, it boasts a substantial 120A continuous current rating, mitigating parasitic drain common with diode isolators. This intelligent combiner is engineered to maintain optimal battery health for offshore cruisers and weekend anglers alike, available at Boat Supply Store.
Key Features
- Reliable Operation: Microprocessor controlled heavy duty relay ensures automatic battery connection and disconnection.
- Optimal Charging: Automatically connects batteries in parallel when charging, ensuring full charge to all banks.
- Prevents Discharge: Automatically disconnects batteries when discharging, protecting your starter battery.
- Efficient Power Transfer: Virtually no voltage loss, maximizing charging efficiency and performance.
- Versatile Compatibility: Suitable for both 12V and 24V marine electrical systems.
- High Capacity: 120A continuous current rating handles demanding loads.
- Superior Alternative: An excellent, efficient replacement for traditional diode isolators.
- Automatic Functionality: Set it and forget it, with intelligent automatic control.
Specifications
| Product Specifications | |
|---|---|
| System Voltage | 12/24V |
| Continuous Current Rating | 120A |
| Control Type | Microprocessor Controlled Relay |
| Voltage Drop | Virtually none |
| Dimensions | 130mm x 130mm x 45mm |
Who This Is For
Boat owners and RV enthusiasts who need to efficiently manage and combine multiple batteries, ensuring all batteries are charged when the engine or charger is running and isolated when discharging to prevent deep discharge of a single battery.
How It Compares
| Feature | Victron CYRIX-CT 12/24V-120A Battery Combiner | Blue Sea Systems ML |
|---|---|---|
| Voltage Compatibility | 12/24V | 12V |
| Continuous Current Rating | 120A | 120A |
| Voltage Drop | Virtually none | Approx. 0.1V |
| Control Type | Microprocessor Controlled Relay | Microprocessor Controlled Relay |
Common Concerns Answered
What if I need to manually isolate my batteries in a specific situation?
The Victron CYRIX-CT 12/24V-120A does not feature a manual override switch, which is a design choice for its fully automatic operation. For users requiring manual control, alternative solutions or additional switching may be considered. However, its intelligent design typically handles common scenarios effectively without manual intervention.
Can I adjust the voltage thresholds for battery combining?
This model is designed with fixed, optimized voltage thresholds determined by its microprocessor. While it does not offer user-adjustable settings for these thresholds, its intelligent algorithm is proven to provide efficient and safe battery management for most applications. Advanced diagnostic features are not included in this specific unit.
I'm concerned about potential confusion with the engagement/disengagement voltages.
The Victron CYRIX-CT 12/24V-120A operates on precisely calibrated voltage levels to ensure reliable automatic connection and disconnection. The engage voltage is typically around 13.0-13.8V, and the disengage voltage is around 12.8-12.2V (these are nominal and can vary slightly based on system conditions). This ensures it only combines when significant charging is occurring and separates before deep discharge.
Frequently Asked Questions
What is a battery combiner and why do I need one?
A battery combiner, like the Victron CYRIX-CT, is an automatic relay that connects two or more battery banks when they are being charged and isolates them when they are discharging. This ensures that your engine's starter battery remains charged while you use your house battery bank for trolling motors or onboard electronics, preventing a dead starter battery.
How does the Victron CYRIX-CT 12/24V-120A work?
It utilizes a microprocessor to monitor the voltage of connected batteries. When the voltage rises to a charging level (indicating the engine or charger is active), it connects the batteries in parallel. When the voltage drops below a certain threshold (indicating discharge), it disconnects them to protect the primary battery.
Can the Victron CYRIX-CT replace a diode isolator?
Yes, the Victron CYRIX-CT 12/24V-120A is an excellent replacement for traditional diode isolators. Unlike diode isolators, it introduces virtually no voltage loss, leading to more efficient charging and a longer lifespan for your batteries.
What is the voltage drop across the Victron CYRIX-CT?
The Victron CYRIX-CT 12/24V-120A is designed for minimal voltage drop, offering a virtually zero-voltage loss solution. This is a significant advantage over diode isolators which can cause a noticeable voltage drop, impacting charging efficiency.
Is the Victron CYRIX-CT suitable for 12V and 24V systems?
Yes, the Victron CYRIX-CT 12/24V-120A is specifically designed to operate in both 12V and 24V battery systems, providing versatile compatibility for a wide range of marine and RV applications.
