Charged Reviews
Quick reference
Victron Energy Orion-Tr Smart 48/12-20A Isolated DC-DC charger
Model: Orion-Tr Smart 48/12-20A Isolated DC-DC charger · SKU: ORI481224120
Prepared Nov 14, 2026
Common specifications
| Charger input | DC (alternator or battery)Source [1] |
|---|---|
| Input voltage | 32-70 VSource [1] |
| Solar input voltage | Not documented |
| Solar input limit | Not documented |
| Output voltage | 12.2 V nominal; adjustable 10-15 VSource [1] |
| Battery voltage | Not documented |
| Charge current | 20 ASource [1] |
| Battery chemistry | Not documented |
| Power | 240 WSource [1] |
| Isolated | YesSource [1] |
| Engine detection | built-in engine shutdown detectionSource [1] |
| Weight | |
| Enclosure volume | 1.69 L** Calculated from recorded external dimensions |
| Warranty term | Not documented |
All recorded specifications
| Charge current | 20 ADocumented claim ConditionsContinuous output current at nominal output voltage and 40 °C, printed one figure per column; 20 A is the 48/12-20 (240 W) column. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column Continuous output current at nominal output voltage and 40 °C, printed one figure per column; 20 A is the 48/12-20 (240 W) column. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column |
|---|---|
| Charger input | DC (alternator or battery)Documented claim ConditionsPrinted in the introduction of the Orion-Tr Smart DC-DC charger isolated datasheet; the input is DC only (input voltage range row). Location: PDF page 1, introduction Printed in the introduction of the Orion-Tr Smart DC-DC charger isolated datasheet; the input is DC only (input voltage range row). Location: PDF page 1, introduction |
| Dimensions | 70 D × 186 W × 130 H mm2.8 D × 7.32 W × 5.12 H in convertedDocumented claim ConditionsPrinted as one cell spanning every column of the table (h x w x d). Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Dimensions row Printed as one cell spanning every column of the table (h x w x d). Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Dimensions row |
| Enclosure | IP43 (electronic components), IP22 (connection area)Documented claim ConditionsPrinted as one cell spanning every column. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Protection category row Printed as one cell spanning every column. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Protection category row |
| Engine detection | built-in engine shutdown detectionDocumented claim ConditionsPrinted for the whole range under "Suitable for use in vehicles with a smart alternator (Euro 5 and Euro 6 engines)". Location: PDF page 1, feature list Printed for the whole range under "Suitable for use in vehicles with a smart alternator (Euro 5 and Euro 6 engines)". Location: PDF page 1, feature list |
| Input voltage | 32-70 VDocumented claim ConditionsInput voltage range of the 48/12-20 (240 W) column, printed as "32-70V". Footnote 1: set to nominal or lower, the output stays stable across this range (buck-boost); set higher, the minimum input voltage rises by the same percentage. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column Input voltage range of the 48/12-20 (240 W) column, printed as "32-70V". Footnote 1: set to nominal or lower, the output stays stable across this range (buck-boost); set higher, the minimum input voltage rises by the same percentage. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column |
| Isolated | YesDocumented claim ConditionsPrinted as one cell spanning every column of the Orion-Tr Smart Chargers Isolated 220 - 280 Watt table, whose columns include 48/12-20 (240 W). Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Galvanic isolation row Printed as one cell spanning every column of the Orion-Tr Smart Chargers Isolated 220 - 280 Watt table, whose columns include 48/12-20 (240 W). Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Galvanic isolation row |
| Max efficiency | 87 %Documented claim ConditionsPrinted as "Efficiency", one figure per column, with no load or temperature condition; 87 % is the 48/12-20 (240 W) column. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column Printed as "Efficiency", one figure per column, with no load or temperature condition; 87 % is the 48/12-20 (240 W) column. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column |
| Operating temperature | -20 to 55 °C-4 to 131 °F convertedDocumented claim ConditionsPrinted as one cell spanning every column, with derating of 3 % per °C above 40 °C. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Operating temperature range row Printed as one cell spanning every column, with derating of 3 % per °C above 40 °C. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Operating temperature range row |
| Output voltage | 12.2 V nominal; adjustable 10-15 VDocumented claim ConditionsNominal output voltage and output voltage adjust range of the 48/12-20 (240 W) column. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column Nominal output voltage and output voltage adjust range of the 48/12-20 (240 W) column. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column |
| Power | 240 WDocumented claim ConditionsContinuous output power at 40 °C, the rating in the column heading (48/12-20 (240 W)); the same table prints 280 W at 25 °C. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column Continuous output power at 40 °C, the rating in the column heading (48/12-20 (240 W)); the same table prints 280 W at 25 °C. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), 48/12-20 (240 W) column |
| Weight | 1.3 kg2.9 lb convertedDocumented claim ConditionsPrinted as one cell spanning every column of the table. The price list prints 1.2 kg for this article; the datasheet figure is recorded. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Weight row Printed as one cell spanning every column of the table. The price list prints 1.2 kg for this article; the datasheet figure is recorded. Location: Orion-Tr Smart Chargers Isolated 220 - 280 Watt table (PDF page 2), Weight row |
Warranty
Certificate records
No records documented.
Sources and revisions
- Victron Energy datasheet, Orion-Tr Smart DC-DC charger isolated 250 / 400 WattOfficial datasheet · Checked https://www.victronenergy.com/upload/documents/Datasheet-Orion-Tr-Smart-DC-DC-chargers-isolated-250-400W-EN-.pdf
- Victron Energy price list EUR C, 2026 Q3Official document · Revision 2026-Q3 · Checked https://www.victronenergy.com/media/pricelist/Pricelist_Victron_EUR_C_2026-Q3_Web.pdf