Buck-Boost DC/DC Converters


The Victron Energy Buck-Boost DC-DC Converters are DC-DC converters for charging a 12/24V service battery in vehicles with an intelligent dynamo. When the engine is running, these dynamos (powered by the on-board electronics of Euro 5 and 6 engines) do not always emit the correct charging current, so a Victron Energy Buck-Boost DC-DC Converter is essential for charging the service battery properly.

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The Buck-Boost DC-DC Converter is a DC-DC converter that charges a 12/24V service battery in vehicles with an intelligent dynamo.


‘Engine Running’ Detection System: Deep discharge of the vehicle’s starting battery is avoided by a built-in ‘engine running’ detection system. Instead of this detection system, the converter can also be activated by means of a programmable input (D+, CAN bus* or (+)15 connection).

Fully Programmable: The converter can be fully programmed by means of a simple and user-friendly PC application. (USB type A male to USB type B male cable needed)

One Product for 12V, 24V and 12/24V Systems: The converter can be programmed to charge a 12V or a 24V auxiliary battery from either a 12V or a 24V alternator and starter battery.

Charge Current & Input Current Limiter: The output current is determined by the following factors:

  • The maximum charge current setting.
  • The maximum input current setting.
  • The maximum operating temperature limit of the converter.

Additional information

Weight 3.1 lbs
Dimensions 8.39 × 4.72 × 1.18 in

50A, 100A

Buck-Boost DC/DC Converter Manual



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