Victron Orion-Tr Smart 12/12-30A Isolated DC-DC Charger (ORI121236120)

What is the Victron Orion-Tr Smart 12/12-30A?

A DC-DC charger (also known as a booster or battery-to-battery charger) is a device that takes current from the engine alternator and transforms it into an optimised, multi-stage charging current for the auxiliary battery. Without one, modern lithium batteries won't fully charge from the alternator, and lead-acid auxiliary batteries stay only partially charged.

The Victron Orion-Tr Smart 12/12-30A isolated solves this by delivering 30 A of constant intelligent charging, with a profile that can be adjusted to suit the battery type installed. It is the isolated version (also written as 12-12-30A or 12 12 30A) of the Orion-Tr Smart range from Victron Energy.

Isolated or non-isolated Orion-Tr Smart? Which one do you need?

The Orion-Tr Smart 12/12-30A isolated (ORI121236120, this product) features galvanic isolation, meaning the input and output circuits are electrically separated. This is essential when:

• The auxiliary and starter batteries share a common ground with the chassis (typical in modern vehicles)
• Sensitive electronics are connected (compressor fridge, inverter, etc.)
• You want to avoid ground loops and stray currents in marine systems

The non-isolated version (more affordable) is only suitable when both batteries have independent grounds. For most campervan, van, motorhome and boat installations we recommend the isolated model on this page.

Applications of the Orion-Tr Smart 12/12-30A

• Campervan, van and motorhome: charges the lithium auxiliary battery while you drive. Ideal for trips around Tenerife, Gran Canaria and the rest of the Canary Islands.
• Marine: charges the boat's service battery from the starter battery with no electrical risk to onboard equipment.
• 4×4 and off-road vehicles: reliable power supply for auxiliary equipment.
• Hybrid solar + alternator systems: a perfect complement to Victron MPPT solar chargers.

Compatible with lithium (LiFePO4) batteries

The Victron Orion-Tr Smart 12/12-30A is approved for charging LiFePO4 lithium batteries, with specific programmable charge profiles. The 30 A constant current and the ability to fine-tune absorption and float voltages via Bluetooth make it one of the safest options on the market for lithium installations in campervans and boats.

It is also fully compatible with conventional AGM, GEL and lead-acid batteries — just select the corresponding profile in VictronConnect.

Bluetooth configuration with VictronConnect

Through the free VictronConnect app (iOS and Android) you can:

• Monitor voltage, current and temperature in real time
• Switch charge profile (lithium, AGM, GEL, lead-acid)
• Turn the charger on or off remotely
• Set absorption and float voltages
• Receive alerts and view charging history

User manual for the Victron Orion-Tr Smart 12/12-30A

Download the official Victron Orion-Tr Smart 12/12-30A user manual in PDF (ORI121236120) with installation instructions, wiring diagrams and step-by-step VictronConnect setup:

Download ORI121236120 manual (PDF)

Delivery and warranty in the Canary Islands

• 24-72 h delivery to all the islands (Tenerife, Gran Canaria, La Palma, Lanzarote, Fuerteventura, La Gomera, El Hierro)
• Shipping included, no customs duties or extra fees
• 3-year legal guarantee against manufacturing defects, managed directly from our shops in Tacoronte and La Guancha
• In-store pickup available at our physical shop in Tenerife

Frequently asked questions about the Victron Orion-Tr Smart 12/12-30A

What is the difference between the isolated and non-isolated Orion-Tr Smart 12/12-30A?

The isolated version (ORI121236120) has galvanic isolation between the input and output circuits, which protects sensitive electronics and prevents issues in systems where the batteries share a common ground with the chassis. The non-isolated version is cheaper and more compact, but only recommended when the grounds are independent.

Is the Orion-Tr Smart 12/12-30A suitable for LiFePO4 lithium batteries?

Yes, it is fully compatible. It has a preconfigured lithium charging profile and lets you adjust all parameters (absorption voltage, float voltage, current) from the VictronConnect app via Bluetooth.

How do you wire the Orion-Tr Smart 12/12-30A in a campervan?

It is installed between the starter battery (input) and the auxiliary service battery (output). It needs a D+ cable to detect engine start, or it can be configured to activate automatically when the alternator exceeds a certain voltage. We recommend 10–16 mm² cable depending on the run length.

What is the difference between the Victron Orion-Tr Smart and the Orion XS?

The Orion-Tr Smart 12/12-30A (this product) is available in isolated and non-isolated versions, delivers 30 A and has integrated Bluetooth. The Orion XS is the new generation (2024), non-isolated, with higher efficiency and available up to 50 A. For installations that require galvanic isolation, the Orion-Tr Smart remains the right choice.

Can I use the Orion-Tr Smart 12/12-30A as a booster in my van?

Yes — "booster" is the everyday name for this type of DC-DC charger. The Victron Orion-Tr Smart 12/12-30A is exactly that: a professional Victron Orion booster with advanced Bluetooth configuration.

Where can I download the ORI121236120 manual?

On this same page you'll find a download link for the official Victron Orion-Tr Smart 12/12-30A user manual in PDF. The official technical documentation is also available at victronenergy.com.

What is the warranty on a Victron Orion-Tr Smart 12/12-30A bought in the Canary Islands?

3-year legal guarantee against manufacturing defects, managed directly by BateríasCanarias from our shops in Tenerife. You won't need to ship the product back to mainland Spain — we handle the entire process.