SKU: 89969995883

Victron 180A Battery Isolator Argodiode 180-3AC | 3 Batteries

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Description

Victron 180A Battery Isolator Argodiode 180-3AC | 3 BatteriesVictron 180A Battery Isolator Argodiode 180 3AC: High Efficiency Schottky Diode Battery Isolator for Dual and Multi Bank Charging Reliable Simultaneous Charging Without Battery Interconnection The Victron 180A Battery Isolator Argodiode 180 3AC is a robust diode battery isolator engineered to enable simultaneous charging of 3 separate battery banks from a single alternator, without electrically connecting the batteries together. This ensures that

Victron 180A Battery Isolator Argodiode 180-3AC: High-Efficiency Schottky Diode Battery Isolator for Dual and Multi-Bank Charging

Reliable Simultaneous Charging Without Battery Interconnection

The Victron 180A Battery Isolator Argodiode 180-3AC is a robust diode battery isolator engineered to enable simultaneous charging of 3 separate battery banks from a single alternator, without electrically connecting the batteries together. This ensures that discharging an accessory or auxiliary battery—such as a house bank in a caravan, boat, or 4WD—will not drain the starter battery, preserving engine start capability and reducing the risk of being stranded. Unlike generic split-charge relays or basic isolators, this Victron unit uses advanced Schottky diode technology to minimise voltage drop, delivering more efficient charging and longer battery life.

Designed for 12V and 24V DC systems, this isolator is ideal for marine, automotive, and off-grid applications where reliable multi-battery management is critical. Its low forward voltage drop—approximately 0.3 V at low current and 0.45 V at rated output—reduces energy loss and heat generation, ensuring more of the alternator’s output reaches your batteries. This is a significant advantage over conventional silicon diode isolators, which can drop 0.7 V or more, leading to chronic undercharging and premature battery failure.

Advanced Schottky Diode Technology for Superior Performance

At the core of the Victron 180A Battery Isolator Argodiode 180-3AC are high-efficiency Schottky diodes, which provide a lower forward voltage drop compared to standard PN-junction diodes. This means less power is wasted as heat, and the alternator can operate closer to its intended voltage setpoint. The integrated voltage compensation diode allows you to fine-tune the alternator’s output voltage to offset the small remaining drop, ensuring batteries reach a full state of charge. This feature is especially valuable in systems where battery longevity and performance are paramount, such as in deep-cycle AGM or lithium battery setups.

Additionally, the Victron 180A Battery Isolator Argodiode 180-3AC includes a current-limited alternator energize input which is essential for modern alternators that require a DC voltage on the B+ terminal to initiate charging. Without this input, a diode isolator would block the return voltage, preventing the alternator from starting. The energize circuit provides a safe, controlled current to the B+ terminal when the engine run/stop switch is closed, ensuring reliable alternator activation.

Built for Demanding Environments

Victron’s Argo Diode isolators are constructed with a durable anodised aluminium heat sink that efficiently dissipates heat, allowing continuous operation at high currents without thermal throttling. The compact footprint—60 x 120 x 200 mm—and light weight of 1.5 kg make installation straightforward in tight engine bays or electrical compartments. Heavy-duty M8 stud terminals (Approx. 5/16") ensure secure, low-resistance connections for high-current cables, while the 6.3 mm Faston connectors for compensation and energize simplify wiring.

All models are rated for mounting on non-flammable surfaces and are tested to withstand the vibration, temperature extremes, and salt-laden air common in marine and automotive environments. This rugged design reduces the risk of premature failure and electrical faults that can occur with lesser-quality isolators.

Key Features

  • Simultaneous charging of 3 battery banks from one alternator without interconnection
  • Low voltage drop Schottky diodes: ~0.3 V at low current, ~0.45 V at rated output
  • Integrated voltage compensation diode to optimise alternator output
  • Current-limited alternator energize input for modern alternators
  • Heavy-duty M8 stud terminals for secure high-current connections
  • Compact, lightweight aluminium heat sink for efficient cooling
  • Suitable for 12V and 24V DC systems
  • Robust construction for marine, automotive, and off-grid use

Applications

The Victron 180A Battery Isolator Argodiode 180-3AC is an excellent choice for a wide range of dual-battery and multi-battery systems, including:

  • Marine vessels: separate starter and house battery banks
  • Caravans and motorhomes: charging auxiliary batteries while driving
  • 4WD and off-road vehicles: powering winches, fridges, and camping accessories
  • Commercial vehicles: maintaining separate battery systems for equipment
  • Off-grid solar systems: combining multiple charge sources without back-feed

Installation Considerations

When installing a diode battery isolator, it is important to account for the slight voltage drop across the diodes. The integrated compensation diode can be used to adjust the alternator’s voltage regulator, but in some systems, additional wiring modifications may be required. For optimal battery health and charging performance, consult the Victron ‘Energy Unlimited’ book or seek advice from a qualified auto electrician or marine installer. Proper cable sizing and termination are critical to minimise additional voltage losses and ensure safe, reliable operation.

Upgrade your battery management system with the Victron 180A Battery Isolator Argodiode 180-3AC and enjoy the peace of mind that comes with Victron’s proven reliability and engineering excellence. Whether you’re outfitting a bluewater cruiser, a remote-area tourer, or a commercial fleet vehicle, this isolator delivers the performance and durability you need to keep all your batteries charged and ready.

Shipping Notes
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SKU: 89969995883

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4.5 ★★★★★
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Sassbox
Los Angeles, US
★★★★★ 4
Good Short Read
Format: Kindle
I found the story to be pretty engaging, but I felt like there could have been more depth to the story.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2018
D
Danielle Wilson
Draper, US
★★★★★ 4
Beautiful Family Contemporary
Format: Kindle
“But I believe strongly that we all have multiple versions of ourselves. And the true test of love is learning to accept all of those versions, even when it’s messy. Actually, especially when it’s messy.” I LOVE family-centric contemporary stories. They are so easy for me to get invested in and I love seeing the relationships form and evolve. I just love them so much. Here We Are Now was a really good family centric contemporary, that also really highlighted opening yourself up and conquering your fears - whatever they may be. We follow Taliah as she meets her rockstar dad Julian Oliver for the first time, when he asks her to come visit his dying father. Tal learns more about her mom, Julian, and herself than she ever expected and she has to learn to reconcile these new truths with what she’s always believed to be true. Things I Liked I really loved the flashbacks we get throughout the story. They show personality, relationships, and I love that we get to see more of Lena’s Jordanian culture. They really helped develop the characters and provide more backstory and depth. I really liked a lot of the characters! I thought Harlow was a great friend, who tried to help Taliah grow and open up about things, even if she was uncomfortable. Debra, Tal’s grandmother is so kind and insightful and warm. I also liked the moments we get to see Tal and Julian learning more about each other. These pure family moments are the ones that really shined for me and gave life to the story. I also really liked that they bonded over music! Things I Didn’t Like I have kinda mixed feelings about Taliah. I understand that Tal’s been put in this weird position and has a lot of confusing and probably conflicting feelings, but I thought she was being purposefully difficult a few times. But she did apologize for that and for being hard to get to know - and I liked that. I think overall I was just a little indifferent to her, which was unfortunate. I feel like the budding romance between Tal and Julian’s neighbor Toby, was pretty unnecessary, and mostly just took page time away that could have been used to further develop family moments. This such an easy book to get invested in. I loved seeing the family moments and Julian and Tal becoming closer, and while I would have liked more development in the family relationships, I was satisfied with what I got. Here We Are Now is a lovely story of family and discovering where you fit in. I received a copy of the book from Balzer + Bray via Edelweiss in exchange for an honest review. All quotes are taken from an ARC and are subject to change.
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Reviewed in the United States on November 7, 2017
F
Verified Purchase
Firefly 99
Pawtucket, US
★★★★★ 5
Ahhhh!
Format: Kindle
So I went back and read the first Dreamers Bay book again before reading this one. So very good! Melissa never disappoints! Kyle and Savanna's story is so great. It is funny, spicy, and oh so sweet and getting to revisit Devyn and Elizabeth again just makes me smile! On how I wish Ms. Brayden would revisit the girls from Soho series. Hint, hint! They were the first books I ever read from this author and they hold a special place in my heart! I have probably reread then 3 or 4 times each. It would be so great to see what Hunter, Sam, Brooklyn, Jessica, Hope and Mallory are all up to in the future. As readers we get invested in this wonderful authors characters and getting to catch up with them is like getting an early Christmas present! Buy this one - you won't regret it and if you have never read Melissa Brayden's work before you are totally missing out!!
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Reviewed in the United States on July 28, 2025
K
kwc
New York, US
★★★★★ 4
Small town romance. Love the banter.
Format: Paperback
Savanna Potter is a perky can do person that is beloved in her small hometown. But she has suffered a lot of losses including her parents and the aunt who took her in and raised her. On a weekend in Charleston she has a chance meeting and hook-up with the right person but at the wrong time. They agree to meet up again in a year but Dr. Kyle Remington doesn’t show up. A few months later Kyle arrives in Dreamer’s Bay. She is embracing small town living and wanting Savanna as well. Brayden is delightful, as usual, with her witty banter. This is a fairly light and breezy LesFic romance. There are some side plots. But the easy romance between Savanna and Kyle is the focus. I think the only extra thing I wanted was to know more about Kyle. Everything is from Savanna’s POV and you see Kyle mostly in Savanna’s world. It was almost as if her character was irrelevant to the plot other than for her work crisis. Why did she change careers? Does she have a family that she stays in touch with? But with that said this is the kind of book I pull easily from my shelf to read again on a day when I want a quick pick me up.
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Reviewed in the United States on May 20, 2025
M
Verified Purchase
Mary K. Priddy
San Leandro, US
★★★★★ 5
You'll laugh, you'll cry, you'll want donuts...classic Brayden
I enjoyed several things about Dream a Little Dream. The small-town setting, checking in with folks from a previous book - Beautiful Dreamer - in this case - how the author focused on the relationships Savanna and Kyle have with their friends/families, which helped me have a better understanding of each character. In my opinion, Brayden is one the best out there writing dialogue between all characters in her books. The small details she adds to each person help you get to know them a bit better. And the story took a few "did not see that comings," which kept me turning the pages long after I should have turned off the lights. But what I enjoyed most was simply Savanna and Kyle. They have rocketed to second place on my "Top Ten Melissa Brayden Character" list. Both go through several personal and professional ups and downs, but it is Savanna who makes me want to reach into the book and give her a big ole "everything's going to be okay, hug." It's classic Brayden, with a twist. I give it a solid 12.3 out of 10. I highly recommend it.
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Reviewed in the United States on May 23, 2025

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