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Victron 50A Buck-Boost DC-DC Converter

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.


Available on back-order

SKU ORI121217040 Category:


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Enhance Your Power Experience with the Smart BuckBoost 50A

Unlock the full potential of your power systems with the Smart BuckBoost 50A – your reliable solution for advanced current control and efficient power management. Engineered from the ground up to redefine adaptive DC-DC charging, this robust and versatile DC/DC charger is essential for dual battery systems in vehicles with smart alternators, boats, and RVs, ensuring your energy setup is optimized and your batteries are precisely and fully charged.

Key Features:

Adjustable Current Settings: Tailor your input and output currents from 1 to 50A with minimum steps of 0.1A via VictronConnect, matching your specific energy requirements for the most efficient performance possible.
Short Circuit Protection: Engineered for safety, the Smart BuckBoost 50A withstands unexpected electrical surges, protecting your system with comprehensive electronic protections including overload and excessive temperature safeguards.
Precise Current and Power Measurements: Integrated monitoring allows you to track energy usage with accuracy, helping you make informed decisions about your power consumption.

  • Adaptive Three-Step Charging: Optimizes the charging process, prolonging battery life, and reducing maintenance costs, with an intelligent adaptive 4-stage charge algorithm for lead-acid batteries.
  • Power Supply Mode: Function as a standalone power supply, providing reliable energy with a wide input and output voltage range.
  • Recovery Function: Intelligent recovery system extends battery life, including low temperature shutdown and input undervoltage protection to prevent damage.
  • Convenient Remote Operation: Manage power settings from a distance with remote on/off capabilities and advanced monitoring and control via the VE.Direct port.
  • Input Voltage Lock-Out: Ensures operation within safe voltage parameters, safeguarding your equipment.
  • Connectivity and Monitoring: Stay connected with the VictronConnect App for real-time adjustments and monitoring via Bluetooth.

The robust IP65 casing ensures durability in many environments, making it the ideal choice for applications with occasional clean water splashes. Whether dealing with Euro 5 or Euro 6 smart alternators or long cable runs, the Smart BuckBoost provides precise, controlled charging to fully charge the service battery while protecting the starter/input battery from discharge.

Elevate your energy management today with the Smart BuckBoost 50A and experience a seamless, efficient, and safe power solution.

Streamlined Design for Easy Integration

The Smart BuckBoost 50A delivers exceptional performance and boasts a design that facilitates easy installation and safety. Its compact enclosure ensures a consistent fit within your existing setups, promoting a tidy and professional arrangement.

Enhanced Safety with Protective Terminal Cover

With safety at the forefront, the Smart BuckBoost 50A features a protective terminal cover to prevent accidental contact and ingress of dust and debris, complemented by clear, accessible labels for correct connections.

By integrating these thoughtful design elements, the Smart BuckBoost 50A guarantees a seamless and safe user experience, solidifying its status as a superior choice for discerning power system users.

Recommended Fuse and Cable Size

For optimal safety and performance, a 70A fuse is recommended for the starter battery and a 60A fuse for the house battery. Cable sizing of 6 B&S is recommended, with 4 B&S recommended for longer runs to accommodate the Smart BuckBoost’s maximum terminal capacity.

Embrace the innovative Smart BuckBoost 50A, equipped with Bluetooth Smart for wireless updates and settings adjustments, and a VE.Direct port for wired connections, ensuring you’re always in control of your power management.


Specification: click here

Warranty: 5 Years by Victron Energy


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