Victron 24V to 12V Orion-Tr Smart 24/12-20A Isolated DC-DC Charger
SKU: 39538976099

Victron 24V to 12V Orion-Tr Smart 24/12-20A Isolated DC-DC Charger

Sale price$110.98 Regular price$123.31
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Description

Victron 24V to 12V Orion-Tr Smart 24/12-20A Isolated DC-DC ChargerVictron 24V to 12V Orion Tr Smart Isolated DC DC Charger: Intelligent Power Conversion for Dual Battery Systems Efficient 24V to 12V DC DC Charging with Adaptive 3 Stage Algorithm and Bluetooth Control The Victron Orion Tr Smart Isolated DC DC Charger delivers precise, regulated power conversion from a 24V alternator or battery bank to a 12V auxiliary system. Designed for vehicles, marine vessels, and off grid installations, this charger solves the

Victron 24V to 12V Orion-Tr Smart Isolated DC-DC Charger: Intelligent Power Conversion for Dual-Battery Systems

Efficient 24V to 12V DC-DC Charging with Adaptive 3-Stage Algorithm and Bluetooth Control

The Victron Orion-Tr Smart Isolated DC-DC Charger delivers precise, regulated power conversion from a 24V alternator or battery bank to a 12V auxiliary system. Designed for vehicles, marine vessels, and off-grid installations, this charger solves the common challenge of safely stepping down voltage while maintaining battery health. Unlike basic converters that risk overcharging or undercharging, the Orion-Tr Smart uses an adaptive 3-stage charge algorithm (Bulk, Absorption, Float) to extend battery life and ensure reliable starts every time.

With 20A of continuous current and a peak output of 25A for short surges, it handles demanding loads such as fridge compressors, lighting, and communication equipment. The integrated Bluetooth Smart interface allows full configuration and monitoring via the VictronConnect app, eliminating the need for additional displays or complex wiring. This isolated design provides galvanic isolation up to 200V DC between input, output, and case, protecting sensitive electronics from ground loops and voltage spikes—a critical advantage in mixed-voltage systems.

Smart Alternator Compatibility and Programmable Charge Profiles

Modern vehicles with Euro 5/6 compliant smart alternators often output variable voltage, which can confuse standard DC-DC chargers. The Orion-Tr Smart features an engine detection mechanism that prevents unwanted discharge of the starter battery when the engine is off. You can program custom charge profiles to match your battery chemistry—whether AGM, Gel, Flooded, or Lithium—ensuring optimal charging without manual intervention. The adjustable output voltage range of 10-15V provides flexibility for sensitive loads or specific battery requirements.

Robust Design for Harsh Australian Conditions

Built to withstand the rigours of outback travel and coastal marine environments, the Orion-Tr Smart features an IP43 protection rating when installed with screw terminals facing downward. The extruded aluminium heatsink provides efficient passive cooling, allowing continuous operation at full rated power up to 40°C ambient temperature. Screw terminals accept cables up to 16 mm² (AWG6), ensuring low-resistance connections and minimal voltage drop over long cable runs. The compact footprint of 130 x 186 x 70 mm and weight of 1.3 kg simplifies installation in tight spaces such as under-bonnet, behind panels, or in battery compartments.

Key Features

  • Adaptive 3-stage charge algorithm with programmable battery presets for AGM, Gel, Flooded, and Lithium
  • Bluetooth Smart for wireless monitoring, configuration, and firmware updates via VictronConnect app
  • Galvanic isolation (200V DC) eliminates ground loop interference and protects against voltage transients
  • Engine detection prevents starter battery drain when the alternator is not running
  • Remote on/off terminal for integration with battery management systems or manual switches
  • Parallel operation supported for higher current requirements
  • Wide input voltage range of 16-35V accommodates voltage fluctuations in 24V systems
  • Short circuit, over-temperature, and reverse polarity protection

Applications

This charger is ideal for powering 12V house batteries in trucks, buses, motorhomes, and boats with 24V electrical systems. It also suits off-grid solar installations where a 24V battery bank needs to supply 12V loads, or in industrial equipment requiring stable 12V power from a 24V source. The isolated design makes it safe for use in systems with sensitive communication or navigation electronics.

Whether you're upgrading a dual-battery system in a 4WD, fitting out a marine electronics suite, or building a remote power system, the Victron Orion-Tr Smart provides the reliability and intelligence needed for critical power conversion. Order your Victron Orion-Tr Smart Isolated DC-DC Charger today and experience seamless 24V to 12V power management with full app control.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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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: 39538976099

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4.9 ★★★★★
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Product Reviews
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Verified Purchase
Alan Karl Church
Omaha, US
★★★★★ 3
Would it kill them to put in a manual? Huh?
Color: Brown/Green/Tan
This review is tentative. Good: Attractive, and less cheap looking than expected Indiglo. Enough said. Analog is legible. Decent water resistance. Nostalgic for '80s ana-digi display?? This is no Chronosport, but the layout is nice. Seems accurate so far, but quartz watches mostly are. Bad: Non intuitive setting with no manual. It's frustrating so far. Not entirely sure what the features are at this point. Can I get 24H same time zone digital sync'd w/ analog? FWIW: I replaced the strap immediately with a Maratac. Brown nylon, PVD buckle. Look perfect together, I'm chuffed. I want to like the watch, but it's making it hard.
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Reviewed in the United States on October 4, 2025
D
Verified Purchase
duff
Chelsea, US
★★★★★ 5
Guess what? The watch works GREAT!
Color: Brown/Green/Tan
My previous problems with Timex were due to the thousand year battery, combined with a one or two year watchband. So, I buy a watch and wear it for a year or so till the band breaks, then throw it into a drawer and get another. At one time I had four good running watches with junk bands, in my catch all box, in the basement. One was over ten years old and still ticking merrily along! I don't get it! Is Planned Obsolescence becoming the rule of law in worldwide manufacturing organizations? Can't Timex come up with a better class of watchbands, that could match the longevity of their excellent little timekeepers? Maybe! Yes, maybe they have finally done it. My new watch has a band that is made of some kind of nylon, reinforced with, what looks like rutabaga skins, that pretty much insures that the band will last as long as the little ticking machine! Out of the box, the band was remarkably stiff. I had to bend and twist it a lot to make it pliable enough to wear. Then I had a heck of a time trying to get it safely into the band keeper! So I got a scissor and cut a little fabric off the corners on the end of the band. I figured...if the cut off parts start to fray, I can just melt them with some fire and I will be ready for another adventurous expedition to the wilds of adolph's pub! I also noticed that the watch was guaranteed waterproof down to 330 feet. I'll just take their word for that cuz there's no way in hades, I'll let anyone talk me into a trip that far south in a bunch of water! And even if the occasion did present itself, the LAST I would be worrying about, is what time it is! You know? Anyways, now that I have the watch customized to me, I am truly happy! It works well, looks Great and smells like a watch. Yup! I can recommend this gadget to anyone. Stay out of the water though! You never know what may be lurking over there behind that tree! :)
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Reviewed in the United States on February 24, 2014
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Verified Purchase
nkarensky
Bozeman, US
★★★★★ 1
Look elsewhere
Color: Brown/Green/Tan
I have had the identical model watch for almost 20 years. Much like many of the other reviews, the crown fell off when resetting the time to a new time zone. I guess the watch was made a bit more sturdy decades ago and something about the manufacturing process changed. My watch is not easily fixable because the stem itself broke and cannot be repaired; it would need a new stem and crown since the end of the stem is still stuck in the crown. My previous watch kept great time and I found it was relatively easy to program. Because the watch was reliable for so long, I bought another even though it now costs twice as much. The new one was not functional when it arrived. The box the watch came it was damaged because it was sent in an amazon envelope rather than the small Amazon mailing box, although the watch itself seemed fine even though it was dead. I thought it no problem as I have changed the battery a few times on the old watch - the case was held on by four small Phillips head screws. Unfortunately, Timex changed their design and now the case is fastened by far less common triangle head screws. I have precision Phillips screwdrivers for several electronic devices but have nothing with triangle head screws. Of course the one screwdriver that will fit those screws is not sold independently - it is sold in a kit with several other sizes. So, I would have to buy a largely useless kit for the one screwdriver that I would use about every 4-5 years. Timex customer support was responsive but not helpful. Their solutions were to send the watch back to Timex for warranty work which may have taken months as the rep stated it would be sent out of the country, or to go to a local watch repair/jeweler and likely incur a labor charge for a watch that didn't work upon arrival. Based on other reviews, I'd say build quality and the quality control have declined over the years. Be advised; that is what you may be in for if you choose this watch.
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Reviewed in the United States on October 31, 2025
K
Verified Purchase
kirk
Cuba, US
★★★★★ 5
Excellent timepiece.
Color: Brown/Green/Tan
Rugged Dual timepiece. Male or female for active lifestyle!
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Reviewed in the United States on March 26, 2026
I
Verified Purchase
Inyo Pete
Cuba, US
★★★★★ 5
Great for protecting my maps
Size: Regular - 12 x 16 Inches
Fits my exploring maps just right. Heavier duty than expected. Ziplock closure is tight and should last for years.
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Reviewed in the United States on October 14, 2025

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