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victron|SKU:1593119

Victron Orion-Tr Smart 12/12-30A Isolated DC-DC Charger

Reliable DC-DC Charging for Your Dual Battery Setup

Adaptive 3-stage charging — Charges lead acid or lithium correctly
Built-in Bluetooth monitoring — Program and monitor from your phone
Engine run detection — Charges only when engine is running
Link units in parallel — Link units to increase total output
  • FREE System Design Consultation -- Our engineers size your system for your actual consumption
  • FREE Shipping -- Ships free on all orders, no minimum

$175.95

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In the box

  • Victron Orion-Tr Smart 12/12-30A Isolated DC-DC Charger
Victron | Orion-Tr Smart 12/12-30A (360W) Isolated DC-DC charger
Victron Orion-Tr Smart 12/12-30A Isolated DC-DC Charger
$175.95

Reliable DC-DC Charging for Your Dual Battery Setup

The Victron Orion-Tr Smart 12/12-30A isolated DC-DC charger delivers a field-tested, adaptive 3-stage charge from your start battery to your service bank. Built for off-grid vehicles and boats, it handles both lead acid and lithium batteries with built-in Bluetooth for real-time monitoring and programming. Engine running detection and remote on/off capability keep your grid-independent system charging exactly when it should — without draining your starter. Rated for full 30A output up to 40°C ambient.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
360W / 30A Output
Galvanic Isolation
Built-In Bluetooth
Lead Acid & Li Compatible
360W
Max Output Power
55°C
Max Operating Temp
12V / 12V
Input / Output Voltage
Charge Your Service Battery Without Guesswork

Charge Your Service Battery Without Guesswork

The problem with buying charging components from generic marketplaces is simple: no system design help and high risk of incompatible components. The Orion-Tr Smart eliminates that risk. At Off Grid Vault, every component is vetted to work within your architecture — this unit integrates directly into your dual battery setup with adaptive 3-stage charging that automatically matches lead acid or lithium profiles. Engine running detection ensures it only charges when your alternator is actually producing, protecting your start battery from accidental drain. Built-in Bluetooth lets you monitor and adjust charge parameters from your phone without opening the hood.

Scale Your Charging Power On Demand

Scale Your Charging Power On Demand

Need more than 360W? The Orion-Tr Smart supports parallel connection — link multiple units together to increase total output power for larger service banks. This is a field-tested approach that serious off-grid builders rely on when a single charger is not enough. The unit maintains full rated output up to 40°C and operates in ambient temperatures up to 55°C, which matters when it is mounted in an engine compartment or a cramped battery bay where heat builds up fast. Remote on/off switching adds another layer of control, letting you integrate the charger into your existing ignition or dashboard switch panel without custom wiring.

Built for Vehicles and Boats That Actually Get Used

Built for Vehicles and Boats That Actually Get Used

This is not a bench-tested lab component. The Orion-Tr Smart is designed for dual battery systems in trucks, vans, sailboats, and fishing vessels — environments where vibration, heat, and constant duty cycles kill lesser chargers. The galvanic isolation between input and output protects sensitive electronics on your service bank from start battery noise and alternator spikes. Whether you are charging a lithium house bank from a smart alternator in an overland rig or keeping a lead acid bank topped off on a moored sailboat, this charger adapts to both chemistries without manual selector switches. At Off Grid Vault, we carry Victron because their equipment holds up where it matters.

Compatibility Check

Make sure this charger aligns with your dual battery configuration before ordering.

  • System uses a 12V start battery as input source
  • Service battery bank is 12V lead acid or lithium
  • Installation space allows ambient temperatures up to 55°C

Where This Charger Performs

Designed for vehicles and vessels where a smart alternator charges a separate service battery.

Van & Truck Camper Builds
Marine Dual Battery Systems
Overland & Expedition Rigs

Full specifications

At a glance

Dimensions
See product page
Power
12V
Warranty
See product page
Full specifications15 data points across 4 categories

Dimensions

DimensionsSee product page
WeightSee product page

Power & Performance

Input Voltage12V
Output Voltage12V
Output Current30A
Output Power360W
Charging AlgorithmAdaptive 3-stage
IsolationIsolated
Parallel ConnectionSupported

Materials

HousingSee product page

Compliance & Warranty

Max Operating Temperature55°C (full rated output up to 40°C)
Battery CompatibilityLead acid and lithium
ConnectivityBuilt-in Bluetooth
Remote ControlRemote on/off switch supported
WarrantySee product page

The Off Grid Vault Promise

Every product we carry is vetted for real-world off-grid performance.

Authorized Victron DealerWarranty claims handled directly through us — no ticket queues, no runaround.
Free ShippingShips free to your door, no minimums, no surprise freight charges.
30-Day Performance GuaranteeIf it doesn't perform as specified, return it uninstalled in original packaging within 30 days.
★★★★★
“Installed the Orion-Tr Smart in my Transit with a 200Ah lithium house bank. Bluetooth pairing let me dial in the charge profile in minutes. Engine running detection works exactly as described — my house bank stays fully charged even after running the fridge and lights all night. Victron gear just works.”
T
Travis L.Flagstaff, AZ

The Orion-Tr Smart DC-DC charger is a professional DC to DC adaptive 3-stage charger with built-in Bluetooth.

For use in dual battery systems in vehicles or on boats where the (smart) alternator and the start battery are used to charge the service battery. The unit can be monitored and programmed via Bluetooth and can be remotely controlled via a remote on/off switch and has an engine running detection mechanism.

The Orion-Tr Smart charger  is suitable for both lead acid and lithium batteries. Multiple units can be connected in parallel to increase output power.

Suitable for high temperatures up to 55°C with a full rated output up to 40°C.

Victron | Orion-Tr Smart 12/12-30A (360W) Isolated DC-DC charger Specifications

Freight Shipping

For in stock products, standard processing times are 2 – 5 business days. Estimated delivery times are based on carrier availability and national shipping lanes, these can vary anywhere between 3 – 15 business days.

Parcel Shipping

Estimated shipping times on single item, in-stock orders are 2 – 4 business days depending on position in the order queue. Actual delivery dates vary based on carrier.

Victron | Orion-Tr Smart 12/12-30A (360W) Isolated DC-DC charger Manual

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Frequently Asked Questions

A DC-DC charger is not a standalone part — it has to integrate with your alternator, start battery, and service bank. Buying from a generic marketplace means no system design help, no compatibility verification, and no after-offer support from someone who understands off-grid architectures. At Off Grid Vault, we vet every component and offer free system design consultation. If something does not perform as specified, we handle it — not a ticket queue.
Yes. Off Grid Vault is an authorized dealer for Victron Energy. That matters because warranty claims go through us directly — not through a third-party distributor or a support ticket queue. If your Orion-Tr Smart has an issue under warranty, you contact us and we handle the process. No runaround, no finger-pointing between vendor and manufacturer.
Yes. The Orion-Tr Smart 12/12-30A is designed specifically for use with smart alternators. It uses an engine running detection mechanism to determine when the alternator is actively producing charge, so it only draws power when appropriate. This prevents accidental drain on your start battery and ensures proper charging behavior with variable-output smart alternators that traditional chargers cannot handle correctly.
The adaptive 3-stage charge profile delivers bulk, absorption, and float phases tailored to your battery chemistry. For lithium batteries, this means proper voltage limits that prevent overcharge without requiring an external BMS intervention. For lead acid, it ensures full absorption time for complete charging and correct float voltage to prevent sulfation. The charger automatically selects the appropriate profile, so there is no manual switching when you change battery types.
Yes. The Orion-Tr Smart supports parallel connection of multiple units to increase total charging power. If your service battery bank requires more than 360W of charge input, you can link two or more 12/12-30A chargers together. This is a practical approach for larger house banks in expedition vehicles or boats where a single unit does not meet your daily recharge requirements.
For in-stock products, standard processing time is 2 to 5 business days. Shipping is free on all orders, including this item. You will receive tracking information once your order ships. If you need a specific delivery timeline, contact us before ordering and we will confirm current stock and estimated delivery to your location.
SKU: 1593119 Categories: , Brand:

The Off Grid Vault Promise

Every product we carry is vetted for real-world off-grid performance.

Authorized Victron Dealer Warranty claims handled directly through us — no ticket queues, no runaround.
Free Shipping Ships free to your door, no minimums, no surprise freight charges.
30-Day Performance Guarantee If it doesn't perform as specified, return it uninstalled in original packaging within 30 days.

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About victron Orion-Tr Smart

victron is a trusted manufacturer of premium orion-tr smart. OffGridVault is an authorized dealer offering the full victron lineup with free delivery, price match guarantee, and expert support.

View all victron products →

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