Orion XS 50A vs Orion-Tr Smart 30A: output and isolation
Buying comparison · Reviewed 2026-10-29 · Exact US product variants
The buying decision
These exact models differ in output and electrical isolation, so this is more than a 30A-versus-50A choice. Establish whether the system requires isolated charging before comparing charging speed. The linked Orion-Tr SKU is the isolated 12/12-30A model.
Choose ORI121217050 when…
A non-isolated 12V-to-12V charger fits the design and its input/output limits meet the vehicle and battery requirements.
Choose ORI121236120 when…
The design specifically calls for the isolated 12/12-30A configuration and its output fits the available driving time.
| Specification | Victron Orion XS 12/12-50A DC-DC Battery Charger | Victron Orion-Tr Smart 12/12-30A DC-DC Charger | ORI121236120 |
|---|---|---|
| Exact model / SKU | ORI121217050 | ORI121236120 |
| Output system | 12 V output system | 12 V output system |
| Maximum output current | 50 A maximum | 30 A maximum |
| Maximum input current | 50 A maximum | Not recorded — check the current specification |
| Published output power | 700 W at stated conditions | 360 W at stated conditions |
| Isolation | Non-isolated | Isolated |
| Input voltage range | 9–17 V | 8–17 V |
| Published efficiency | 98.5% published | 87% published |
| Rating conditions | 40°C rating ambient | 40°C rating ambient |
Specifications retain the source’s units and dimension order. A missing value does not mean zero.
Exact US listing · ORI121217050
Victron Orion XS 12/12-50A DC-DC Battery Charger
Recorded supplier quote: $328.10 USD
Checked 2026-10-21. Confirm the current price in the shop.
Supplier availability must be confirmed.
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Check US product & price Specification reference ↗
Exact US listing · ORI121236120
Victron Orion-Tr Smart 12/12-30A DC-DC Charger | ORI121236120
Recorded supplier quote: $219.30 USD
Checked 2026-10-21. Confirm the current price in the shop.
This recorded offer is unavailable.
Check the specification reference while this offer is unavailable.
Specification reference ↗Isolation is a design requirement
Confirm the intended grounding and return arrangement for the vehicle and house system. Treat the model number and isolation type as part of the requirement. Other Orion-Tr models and voltage combinations are different products, even when their names look similar.
Use ratings at comparable conditions
The stored profiles distinguish published output at stated ambient conditions. Compare like-for-like temperatures and operating voltages before using a power number. Installation heat and ventilation can affect the output available in a real equipment compartment.
Check an upgrade as a complete circuit
Replacing a 30A charger with a 50A model can change the demand on the vehicle and both cable runs. Review the existing installation against the new manual, rather than treating a higher-current charger as a drop-in purchase.
Before placing the order
Save the exact model number, check the current specification and installation instructions, and confirm the selected supplier configuration. Include any mounting, monitoring, cabling or accessories required for your build when comparing the complete cost.
Add a third product to the comparison →Check the exact sources
ORI121217050
Specification profile checked 2026-10-21
ORI121236120
Specification profile checked 2026-10-21