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Deal.ai › Victron Energy › Batteries & Chargers
Victron Energy
Victron Energy Orion-Tr Smart 12/24-10A (240W) Isolated DC-DC charger

Victron Energy Orion-Tr Smart 12/24-10A (240W) Isolated DC-DC charger

Best price now

$143.65at West MarineChecked 12 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

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Price facts

  • Lowest price today: $143.65 at West Marine (checked Nov 10, 2026).
  • Checked at 2 stores.

Our take on the Victron Energy Orion-Tr Smart 12/24-10A (240W) Isolated DC-DC charger

The Victron Orion-Tr Smart 12/24-10A is an isolated DC-DC charger that steps 12V input up to a 24V charging output at up to 10A, about 240W. It is built for dual-battery setups in vans, boats and trucks, and its galvanic isolation keeps input and output circuits separate. Unlike simple voltage-sensing relays, it charges with a proper multi-stage profile and can be set up over Bluetooth from the VictronConnect app. Owners value the sturdy build and the adjustable charge settings; the main gripes are the price against basic isolators and the need to understand the settings before installing.

Best forVan and camper dual-battery chargingBoats with 12V banks feeding 24V loadsTrucks and off-grid vehiclesInstallers who want adjustable charge profiles
Pros
  • Isolated input and output for safer, cleaner charging
  • Multi-stage charging with adjustable voltages and currents
  • Bluetooth setup and monitoring through VictronConnect
  • Wide input range tolerates voltage sag and spikes
  • Rugged, well-sealed casing for engine bays
Cons
  • Costs more than a simple split-charge relay
  • Needs a phone and some know-how to configure
  • 10A output is modest for large 24V banks
  • Gets warm and needs ventilation around it

Victron Energy Orion-Tr Smart 12/24-10A (240W) Isolated DC-DC charger prices at every store

  • West MarineNew

    In stock

    $143.65Checked 12 h ago
    Visit West Marine
  • JB ToolsNew

    In stock

    $159.80Free shippingChecked 12 h ago
    Visit JB Tools

Store links may earn us a commission. Some prices via Klarna.

Victron Energy Orion-Tr Smart 12/24-10A (240W) Isolated DC-DC charger price history

Lowest price we've seen: $143.65 on Nov 10 at West Marine. Tracked across 2 stores since Nov 10.

What reviewers say

Owners of vans, boats and overland rigs rate the Orion-Tr Smart as a reliable, well-made charger that does exactly what it promises. Most praise the Bluetooth configuration and the isolation; complaints center on the price and on the setup learning curve.

What people mention
  • Build qualityPraisedOwners describe the casing and terminals as tough and suited to harsh vehicle and marine installs.
  • Bluetooth setupPraisedThe VictronConnect app is called easy to use for changing charge profiles and checking status.
  • ValueCriticisedSeveral buyers feel it costs much more than a simple isolator or relay.
  • Setup complexityMixedSome find the settings and wiring straightforward, while others say the manual and configuration take study.
  • HeatCriticisedA few owners report the unit runs warm and needs airflow around it.

Specifications

Type
ChargersSource
Color
BlueSource
Battery Type
10Source

Questions and answers

What does this charger actually do?
It takes a 12V DC source, such as a starter battery or alternator, and charges a 24V battery bank at up to 10A. The input and output are galvanically isolated.
Can I adjust the charge voltage for lithium or AGM?
Yes. Charge voltages, currents and profiles are set over Bluetooth in the VictronConnect app, and preset profiles cover lead-acid and lithium.
Do I need a separate battery monitor?
No. The charger handles the charge profile on its own, though a battery monitor helps you track state of charge.
Is it suitable for a 24V to 12V setup?
No. This model is the 12/24 version, stepping 12V up to 24V. Victron makes other Orion-Tr models for the reverse direction.
Will it work with a smart alternator?
Yes. The wide input range and adjustable engine-off detection let it work with variable-voltage charging systems.
What comes in the box?
The charger unit and its terminal connections; wiring, fuses and mounting hardware are not included.
Where is the Victron Energy Orion-Tr Smart 12/24-10A (240W) Isolated DC-DC charger cheapest?
At West Marine, for $143.65, as of our latest check.
Where can I buy the Victron Energy Orion-Tr Smart 12/24-10A (240W) Isolated DC-DC charger?
2 stores we checked sell it, including West Marine, JB Tools.

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