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Victron Energy 25A Buck-Boost DC-DC converter (ORI303025000)

Model: 25A Buck-Boost DC-DC converter · SKU: ORI303025000

Prepared Nov 14, 2026

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Common specifications

Charger input	DC (alternator or battery)Source [1]
Input voltage	10-30 VSource [1, 2, 4]
Solar input voltage	Not documented
Solar input limit	Not documented
Output voltage	Adjustable 10-30 VSource [1, 2, 4]
Battery voltage	Not documented
Charge current	25 ASource [1, 2, 4]
Battery chemistry	Not documented
Power	Not documented
Isolated	Not documented
Engine detection	built-in engine running detectionSource [1]
Weight	0.6 kg1.3 lb convertedSource [1, 2, 4]
Enclosure volume	0.59 L** Calculated from recorded external dimensions
Warranty term	Not documented

All recorded specifications

Charge current	25 ADocumented claim Conditions Maximum charging current at 12 V, read from the 25 A column of the manual's technical specifications; the manual and the datasheet print 15 A at 24 V, and the API record for ORI303025000 prints 25 A continuous output current. The manual's general features list prints "Output current (max.at 24 V) 12.5, 25 or 50 A". Location: Manual PDF page 13, English Technical specifications table, Maximum charging current, 25 A column; datasheet specification table Maximum charging current at 12 V, read from the 25 A column of the manual's technical specifications; the manual and the datasheet print 15 A at 24 V, and the API record for ORI303025000 prints 25 A continuous output current. The manual's general features list prints "Output current (max.at 24 V) 12.5, 25 or 50 A". Location: Manual PDF page 13, English Technical specifications table, Maximum charging current, 25 A column; datasheet specification table Official installation manual · Victron Energy manual: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official datasheet · Victron Energy datasheet: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official product page · Victron Energy public API record for SKU ORI303025000 (Buck-Boost DC-DC Converter 25A / 50A / 100A) (October 27, 2026 capture) [1, 2, 4]
Charger input	DC (alternator or battery)Documented claim Conditions Printed as "IN : Converter input (alternator/starter battery)"; the datasheet describes the unit as a DC-DC converter for charging a 12V or 24V service battery in vehicles with a smart alternator. Location: Manual PDF page 9, Connection Printed as "IN : Converter input (alternator/starter battery)"; the datasheet describes the unit as a DC-DC converter for charging a 12V or 24V service battery in vehicles with a smart alternator. Location: Manual PDF page 9, Connection Official installation manual · Victron Energy manual: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture) [1]
Dimensions	30 D × 120 W × 165 H mm1.2 D × 4.72 W × 6.5 H in convertedDocumented claim Conditions The manual prints 165 x 120 x 30 mm for the 25 A model; the API record for ORI303025000 names the three figures height, width and depth. Location: Manual PDF page 13, English Technical specifications table, Dimensions, 25 A column; API fields height, width and depth The manual prints 165 x 120 x 30 mm for the 25 A model; the API record for ORI303025000 names the three figures height, width and depth. Location: Manual PDF page 13, English Technical specifications table, Dimensions, 25 A column; API fields height, width and depth Official installation manual · Victron Energy manual: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official datasheet · Victron Energy datasheet: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official product page · Victron Energy public API record for SKU ORI303025000 (Buck-Boost DC-DC Converter 25A / 50A / 100A) (October 27, 2026 capture) [1, 2, 4]
Engine detection	built-in engine running detectionDocumented claim Conditions Printed as "This is possible thanks to the built-in engine running detection and the related programmable time-delayed switching."; the manual adds that the converter can also be switched on with a programmable input. Location: Manual PDF page 3, Introduction Printed as "This is possible thanks to the built-in engine running detection and the related programmable time-delayed switching."; the manual adds that the converter can also be switched on with a programmable input. Location: Manual PDF page 3, Introduction Official installation manual · Victron Energy manual: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture) [1]
Input voltage	10-30 VDocumented claim Conditions One input range is printed for every model; the under voltage threshold is 10 V. Location: Manual PDF page 13, English Technical specifications table, Input voltage range; datasheet specification table One input range is printed for every model; the under voltage threshold is 10 V. Location: Manual PDF page 13, English Technical specifications table, Input voltage range; datasheet specification table Official installation manual · Victron Energy manual: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official datasheet · Victron Energy datasheet: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official product page · Victron Energy public API record for SKU ORI303025000 (Buck-Boost DC-DC Converter 25A / 50A / 100A) (October 27, 2026 capture) [1, 2, 4]
Operating temperature	-25 to 60 °C-13 to 140 °F convertedDocumented claim Conditions One range is printed for every model. Location: Manual PDF page 13, English Technical specifications table, Operating temperature range; datasheet specification table One range is printed for every model. Location: Manual PDF page 13, English Technical specifications table, Operating temperature range; datasheet specification table Official installation manual · Victron Energy manual: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official datasheet · Victron Energy datasheet: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official product page · Victron Energy public API record for SKU ORI303025000 (Buck-Boost DC-DC Converter 25A / 50A / 100A) (October 27, 2026 capture) [1, 2, 4]
Output voltage	Adjustable 10-30 VDocumented claim Conditions One output range is printed for every model; the manual says the output voltage is fully adjustable. Location: Manual PDF page 13, English Technical specifications table, Output voltage range; manual page 3, Introduction One output range is printed for every model; the manual says the output voltage is fully adjustable. Location: Manual PDF page 13, English Technical specifications table, Output voltage range; manual page 3, Introduction Official installation manual · Victron Energy manual: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official datasheet · Victron Energy datasheet: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official product page · Victron Energy public API record for SKU ORI303025000 (Buck-Boost DC-DC Converter 25A / 50A / 100A) (October 27, 2026 capture) [1, 2, 4]
Weight	0.6 kg1.3 lb convertedDocumented claim Conditions Read from the 25 A column; the datasheet and the API record for ORI303025000 print the same weight. Location: Manual PDF page 13, English Technical specifications table, Weight, 25 A column; datasheet specification table Read from the 25 A column; the datasheet and the API record for ORI303025000 print the same weight. Location: Manual PDF page 13, English Technical specifications table, Weight, 25 A column; datasheet specification table Official installation manual · Victron Energy manual: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official datasheet · Victron Energy datasheet: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official product page · Victron Energy public API record for SKU ORI303025000 (Buck-Boost DC-DC Converter 25A / 50A / 100A) (October 27, 2026 capture) [1, 2, 4]

Warranty

Certificate records

No records documented.

Sources and revisions

Victron Energy manual: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official installation manual · Revision Version 11, September 23rd, 2025 · Checked Oct 26, 2026https://www.victronenergy.com/upload/documents/Manual-Buck-Boost-DC-DC-converter-EN-NL-FR-DE-SE-RU.pdf
Victron Energy datasheet: Buck-Boost DC-DC Converter 25A / 50A / 100A (October 27, 2026 capture)Official datasheet · Checked Oct 26, 2026https://www.victronenergy.com/upload/documents/Datasheet-Buck-Boost-DC-DC-converter-25A-50A-100A-EN-.pdf
Victron Energy price list 2026-Q3 (EUR C, web edition)Official document · Revision 2026-Q3 · Checked Sep 22, 2026https://www.victronenergy.com/media/pricelist/Pricelist_Victron_EUR_C_2026-Q3_Web.pdf
Victron Energy public API record for SKU ORI303025000 (Buck-Boost DC-DC Converter 25A / 50A / 100A) (October 27, 2026 capture)Official product page · Revision Victron record modified 2025-09-15 13:46:24 · Checked Oct 26, 2026https://www.victronenergy.com/api/v1/product/sku/ORI303025000?format=json