Victron Energy 100A Buck-Boost DC/DC converter

Victron Energy 100A Buck-Boost DC/DC converter

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DC-DC Converter for charging a 12V or 24V service battery in vehicles with a smart alternator (regenerative braking, Euro 5 and Euro 6 engines) The Buck-Boost DC-DC Converter is a DC-DC Converter for charging a 12V or 24V service battery in vehicles with a smart alternator. The converter will charge the auxiliary battery with a pre-set charge voltage, eliminating high voltages (e.g. Mercedes: 15,4V) and low voltages.


‘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 and 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.


Input status indication (LED)

  • Green: converter on.
  • Yellow: input voltage below threshold, converter off.
  • Red: over temperature, converter off.
  • Blue, quick flash: engine running, converter will start after preset delay.
  • Blue, slow flash: the converter is OFF and activation is blocked due to low input voltage

Output status indication (LED)

  • Green: converter off, battery voltage normal.
  • Yellow: converter off, battery voltage low.
  • Red: converter off, battery discharged or not connected.
  • Purple: converter on.