Victron Cyrix-Li-ct Intelligent Li-ion Battery Combiner 12/24V-230A CYR010230412

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SKU: 105653
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The Victron Cyrix-Li-ct is a smart battery combiner designed specifically for combining a lead-acid starter battery with a LiFePO4 (lithium iron phosphate) battery system.

It features advanced control and protection mechanisms to optimize battery charging and ensure safe operation.

Sale price£125.42 GBP Regular price£144.75 GBP

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Victron Cyrix-Li-ct Intelligent Li-ion Battery Combiner 12/24V-230A

The functionality of the Cyrix-Li-ct is analogous to the Cyrix-ct.

The Cyrix-Li-ct will parallel connect a lead acid starter battery and a LiFePO4 battery:
  • if the charge disconnect output of the VE.Bus BMS is high, and
  • if it senses 13,4 V (resp. 26,8 V) or more on one of its power terminals
The Cyrix will disengage immediately:
  • when its control output becomes free floating, signalling cell over voltage or cell over temperature, and/or
  • when battery voltage drops below 13,2 V
Start assist function: a short positive pulse will close the relay during 30 seconds.
A built-in transient voltage suppressor will limit the voltage spike that may occur when the Cyrix suddenly disengages due to cell overvoltage or over temperature.


Please note that the images of the product shown above are for illustrative purposes only.

While we strive to provide accurate representations, there might be slight differences between the product image and the actual product you receive. These variations could be due to lighting, individual screen settings, product enhancements, or minor design updates from the manufacturer.

We assure you that any discrepancies are minimal and will not affect the overall quality and functionality of the product.

If you have any questions or concerns, please feel free to contact our customer support team for further assistance at or phone us at 01752 656270.

At Batteries and Solar, your satisfaction is our top priority, and we are committed to providing the best shopping experience for you.

Thank you for choosing Batteries and Solar for your purchase.

Key Features
  • Automatic Parallel Connection: Connects the lead-acid starter battery and LiFePO4 battery when specific conditions are met:

    • VE.Bus BMS charge disconnect output is high.
    • Battery terminal voltage reaches 13.4V or higher (for 12V systems) or 26.8V or higher (for 24V systems).
  • Immediate Disengagement: Automatically disengages under the following conditions:

    • Control output becomes free-floating, indicating cell overvoltage or overtemperature.
    • Battery voltage drops below 13.2V (for 12V systems) or 26.4V (for 24V systems).
  • Start Assist Function: Provides a short positive pulse to close the relay for 30 seconds, assisting in emergency situations.

  • Transient Voltage Suppressor: Limits voltage spikes that may occur when the Cyrix disengages due to cell overvoltage or overtemperature.


Victron Energy

Manufacturer Part Number




Continuous current & Breaking capacity at 12V or 24V


Current Consumption When Open

4 mA

Control Cable Included (Length 1 m)


LED Status Indication


Protection Category



H65 x W100 x D50mm

Weight (kg)



5 Years

Country of Manufacture


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