SKU: 70670957689

Victron Cyrix 24/48-400a Combiner

Sale price$151.65 Regular price$168.50
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

Victron Cyrix 24/48-400a CombinerIntelligent battery monitoring to prevent unwanted switching. Some battery combiners will disconnect a battery in case of a short but high amperage load. A battery combiner also may fail to connect a large but discharged battery bank because the DC voltage immediately drops below the disengage value once the batteries are connected. The software of the Cyrix i does more than simply connect and disconnect based on battery voltage and with a fixed time

Intelligent battery monitoring to prevent unwanted switching.

Some battery combiners will disconnect a battery in case of a short but high amperage load. A battery combiner also may fail to connect a large but discharged battery bank because the DC voltage immediately drops below the disengage value once the batteries are connected. The software of the Cyrix-i does more than simply connect and disconnect based on battery voltage and with a fixed time delay. The Cyrix-i looks at the general trend (voltage increasing or decreasing) and reverses a previous action only if the trend has reversed during a certain period of time. The time delay depends on the voltage deviation from the trend. In addition four switch timing profiles can be chosen.

12/24 V and 24/48 V auto ranging - The Cyrix-i automatically detects system voltage.

No voltage loss - Cyrix battery combiners are an excellent replacement for diode isolators. The main feature is that there is virtually no voltage loss so that the output voltage of alternators or battery chargers does not need to be increased.

Prioritizing the starter battery - In a typical setup the alternator is directly connected to the starter battery. The accessory battery and possibly also a bow thruster and other batteries are each connected to the starter battery with Cyrix battery combiners. When a Cyrix senses that the starter battery has reached the connect voltage it will engage to allow for parallel charging of the other batteries.

Bidirectional voltage sensing and power supply from both batteries - The Cyrix senses the voltage of both connected batteries. It will therefore also engage if for example the accessory battery is being charged by a battery charger. The Cyrix-i has a dual power supply. It will therefore also close if the voltage on one battery is too low to operate the Cyrix. In order to prevent unexpected operation during installation or when one battery has been disconnected the Cyrix-i will not close if the voltage on one of the two battery connections is lower than 2 V (12 V battery) or 4 V (24 V battery) or 8 V (48 V battery).

Parallel connection in case of emergency - The Cyrix can also be engaged with a push button (Cyrix remains engaged during 30 s) or a switch to connect batteries in parallel manually. This is especially useful in case of emergency when the starter battery is discharged or damaged.

Intelligent battery monitoring to prevent unwanted switching.

Some battery combiners will disconnect a battery in case of a short but high amperage load. A battery combiner also may fail to connect a large but discharged battery bank because the DC voltage immediately drops below the disengage value once the batteries are connected. The software of the Cyrix-i does more than simply connect and disconnect based on battery voltage and with a fixed time delay. The Cyrix-i looks at the general trend (voltage increasing or decreasing) and reverses a previous action only if the trend has reversed during a certain period of time. The time delay depends on the voltage deviation from the trend. In addition four switch timing profiles can be chosen.

12/24 V and 24/48 V auto ranging - The Cyrix-i automatically detects system voltage.

No voltage loss - Cyrix battery combiners are an excellent replacement for diode isolators. The main feature is that there is virtually no voltage loss so that the output voltage of alternators or battery chargers does not need to be increased.

Prioritizing the starter battery - In a typical setup the alternator is directly connected to the starter battery. The accessory battery and possibly also a bow thruster and other batteries are each connected to the starter battery with Cyrix battery combiners. When a Cyrix senses that the starter battery has reached the connect voltage it will engage to allow for parallel charging of the other batteries.

Bidirectional voltage sensing and power supply from both batteries - The Cyrix senses the voltage of both connected batteries. It will therefore also engage if for example the accessory battery is being charged by a battery charger. The Cyrix-i has a dual power supply. It will therefore also close if the voltage on one battery is too low to operate the Cyrix. In order to prevent unexpected operation during installation or when one battery has been disconnected the Cyrix-i will not close if the voltage on one of the two battery connections is lower than 2 V (12 V battery) or 4 V (24 V battery) or 8 V (48 V battery).

Parallel connection in case of emergency - The Cyrix can also be engaged with a push button (Cyrix remains engaged during 30 s) or a switch to connect batteries in parallel manually. This is especially useful in case of emergency when the starter battery is discharged or damaged.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70670957689

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Grey Ray
Fort Morgan, US
★★★★★ 4
Easy to handle, hard to crimp.
Color: Red/Black, Size: 0AWG-25FT Each
This cable is easy to manage (bend, etc) because it has an aluminum core. But for that same reason it is harder to effectively crimp, even with a hydraulic crisper.
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Reviewed in the United States on March 1, 2026
C
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C
Massapequa, US
★★★★★ 5
Good quality
Color: Red/Black, Size: 0AWG-25FT Each
Super flexible and good quality for running 2000w inverter.
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Reviewed in the United States on February 10, 2026
M
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Mateo filer
Massapequa, US
★★★★★ 5
Quality
Color: Red/Black, Size: 0AWG-25FT Each
Great quality.Better than I was expected
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Reviewed in the United States on March 19, 2026
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S. Rohleder
Grantham, US
★★★★★ 5
0 Gauge wire 25 feet red,/25 feet black.
Color: Red/Black, Size: 0AWG-25FT Each
It is as advertised, Copper Clad Aluminum (CCA) but will work for very short runs and jumpers instead of eating my solid copper lines.
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Reviewed in the United States on March 5, 2026
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Verified Purchase
Chad Whitsell
Lowell, US
★★★★★ 5
Great product
Color: Red/Black, Size: 0AWG-25FT Each
Just the amount you need
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Reviewed in the United States on February 11, 2026

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