SKU: 86932048167

Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger

Sale price$140.24 Regular price$155.82
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Description

Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC ChargerVictron 48V to 12V Orion Tr 48 12 30A Isolated DC DC Charger: Isolated DC DC Charger for Reliable Voltage Conversion The Victron 48V to 12V Orion Tr 48 12 30A Isolated DC DC Charger is a high performance isolated DC DC charger engineered to provide stable, efficient power conversion between 48V and 12V battery systems. Designed for demanding applications in vehicles, marine vessels, and off grid installations, this charger ensures your auxiliary

Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger: Isolated DC-DC Charger for Reliable Voltage Conversion

The Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger is a high-performance isolated DC-DC charger engineered to provide stable, efficient power conversion between 48V and 12V battery systems. Designed for demanding applications in vehicles, marine vessels, and off-grid installations, this charger ensures your auxiliary batteries receive a precise, multi-stage charge regardless of input voltage fluctuations. With galvanic isolation between input, output, and case, it protects sensitive electronics and eliminates ground loop issues, making it a safe choice for complex electrical systems.

Unlike generic DC-DC converters, the Orion-Tr Smart series uses a sophisticated three-stage charging algorithm (bulk, absorption, float) that adapts to battery condition, extending battery life and preventing overcharging. The fully programmable output voltage allows customisation for specific battery chemistries, including lithium, AGM, and gel. Integrated Bluetooth connectivity via the VictronConnect app provides real-time monitoring and configuration from your smartphone, eliminating the need for additional displays or wired connections.

Key Features

  • Galvanic isolation (200V DC) between input, output, and case for enhanced safety and noise immunity
  • Fully programmable three-stage charging algorithm with adaptive battery management
  • Bluetooth Smart for wireless setup, monitoring, and firmware updates via VictronConnect
  • Remote on/off terminal for integration with battery management systems or external switches
  • Wide input voltage range (32-70V) with under-voltage protection to prevent battery drain
  • Parallel operation supported for scalable current output in larger systems
  • Robust aluminium heat sink with passive cooling for reliable operation up to 55°C
  • IP43 protection when mounted with terminals facing downwards, suitable for engine bays and marine environments
  • Screw terminals accept up to 16mm² (AWG6) cable for low-resistance connections

Smart Charging for Modern Systems

Compatibility with smart alternators (Euro 5/6) ensures seamless integration in modern vehicles where variable voltage output can confuse traditional chargers. The charger detects engine running status via voltage sensing or a dedicated trigger wire, preventing accidental battery drain when the engine is off. A configurable input voltage lock-out allows precise control over charging initiation, ideal for systems with solar or shore power inputs.

Built for Harsh Environments

The Orion-Tr Smart is built to withstand the rigours of mobile and off-grid use. The sealed electronics and conformal-coated circuit board resist moisture, dust, and vibration. The extruded aluminium heat sink dissipates heat efficiently without fans, ensuring silent, maintenance-free operation. With an operating temperature range of -20°C to +55°C and derating above 40°C, it performs reliably in Australian conditions from the outback to the coast.

Flexible Installation and Control

Compact dimensions (130 x 186 x 80 mm) and multiple mounting options allow installation in tight spaces. The remote on/off port accepts a low-current switch or relay, enabling control from a dashboard or central management system without heavy-gauge wiring. For systems requiring higher current, multiple units can be paralleled with automatic load sharing, providing a scalable solution for larger battery banks.

Applications

This isolated DC-DC charger is ideal for charging auxiliary batteries in caravans, motorhomes, 4WDs, boats, and off-grid cabins. It efficiently steps voltage down from 48V to 12V to match your battery bank, whether you need to charge a 12V house battery from a 48V electric vehicle system or maintain a 12V battery from a 48V alternator. The galvanic isolation makes it particularly suitable for marine installations where corrosion and stray currents are a concern.

Whether you're upgrading an existing dual-battery setup or building a new off-grid power system, the Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger delivers precise, reliable charging with the intelligence to protect your investment. Configure it once via the app, and it will automatically manage your battery charging for years to come.

Ready to optimise your DC-DC charging? Install the Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger and experience the difference that smart, isolated conversion makes in your mobile or off-grid power system.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 86932048167

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4.3 ★★★★★
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A
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amazon pro
New York, US
★★★★★ 4
Good chair and great value, comfortable
Color: Dark Black, Style: pack of 1, Color: Dark Black, Style: pack of 1
The chair is as you expect for this price range The only Issue is the thigh length is shorter then I thought but still works. The air fabric helps Keeps it cool to sit in for long periods without sweating It’s a great chair to sit in for 8 hours as I usually do writing and project planning at my desk. Over all the assembly was simple and all The instructions were there with the tools as well. It rolls fine on my vinyl floor. It’s definitely value for your money on this one and the over all design is fine and works to me at this point. It don’t have squeaky tires so the noise is good rolling around
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
C
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Clifford's Mom
Bozeman, US
★★★★★ 5
Great value
Color: Red, Style: pack of 1, Color: Red, Style: pack of 1
Easy to put together. Only tough part was getting the wheels on, needed someone strong to attach them. Once together it is a great chair. Height adjusts up and down easily and rolls smoothly. Sturdy chair and the red looks great!
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Reviewed in the United States on June 11, 2026
R
Verified Purchase
R. Peacock
Chelsea, US
★★★★★ 5
Reasonably comfortable, price is good, you get what you pay for
Color: Black, Style: pack of 1
Easy enough to put together, moderately comfortable (though I wouldn't want to sit in it for more than a couple hours). Heads and shoulders above the other similar-looking chairs on this site. If you want a cheap chair with arms, this is pretty much the best combination of cheap and reasonably comfortable. I am using it with a spare desk/workstation, and it's fine. In fact, I plan to buy another one. Recline is good (make sure to loosen the twisty thing. Rolls fine. Feels study enough for me. I'm 5'10", 185 lbs, and my husband is 5'9", 215lbs, and both of us feel like the chair is roomy and durable. Certainly worth it for the price.
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Reviewed in the United States on April 15, 2026
B
Verified Purchase
BobS
Battle Creek, US
★★★★★ 3
Priced right
Color: Black, Style: pack of 1
I got this chair for the price and wanted to try something with a vented design. The instructions are simple with pictures only but seemed to work. Pros: Decent price. Fairly good fit and finish. Assembly was easy with an exception. You get extra screw bolts. Screws appear to have Loctite. Cons: The arm rests were extremely difficult to attach to the seat. 4 bolts. The threaded bolt holes in the seat cushion did not line up well with the holes in the arm rest even though the arm rest holes were slotted. It took major tweaking. The angles of the chair made it even more difficult to assemble unless you built a custom work bench. You get an Allen key but I used a ratcheting screw driver. The 5 wheel base that the chair sits on required partial assembly. It comes with 4 of the arms attached as one piece normally but the 5th arm needs to be attached in sort of a keyed design. You'll need a mallet. My first thought was why? The only reason I came up with was it allows for a smaller shipping box. Smaller boxes equal more chairs shipped on the same ship from Vietnam. In any case it is a con since IMO it creates a stress point that could snap. The wheels are small and plastic. I used a set of "roller blade" style office chair wheels I already had. It has adjustments for elevation and tilt. My wife sat in it and she says it's comfortable in her sewing room so I'm happy. Of course time will tell. Three stars for the assembly issues. Overall: Good deal for a not so expensive chair
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Reviewed in the United States on April 28, 2026
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Alvarez
Fort Morgan, US
★★★★★ 5
highly recommend
Color: Peach Pink, Style: pack of 1, Color: Peach Pink, Style: pack of 1
This chair exceeded my expectations! It was easy to assemble, feels sturdy, and is very comfortable for long hours of work or studying. The lumbar support is great, and the chair rolls and swivels smoothly. The pink color is super cute and looks exactly like the pictures. Great value for the price — highly recommend!
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Reviewed in the United States on May 23, 2026

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