Victron 12V to 12V Orion XS 12/12-50A DC-DC Smart Battery Charger

12V In, 12V Out

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Enhance Your Power Experience with the Orion XS 12/12-50A 12V to 12V 50A DC-DC Battery Charger

Unlock the full potential of your power systems with the Orion XS 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.

Stay in charge with configurable input and output currents, and rest assured that your Orion XS will run at full capacity up to 40°C. The innovative aluminium circuit board cooling technology delivers an astonishing 98% efficiency without the need for fans.

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 Orion XS 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 Orion XS 50A and experience a seamless, efficient, and safe power solution.

Streamlined Design for Easy Integration

The Orion XS 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 Orion XS 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 Orion XS 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 Orion XS 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.

Note: Formerly named Smart BuckBoost (or Buck Boost) Non-Isolated DC-DC Charger

Read our Blog about the new Victron Smart Orion XS DC-DC Charger
Visit Victron's Official Webpage about the Smart BuckBoost Non-Isolated DC-DC Charger


Orion XS 12/12-50A DC-DC Battery Charger 12/12-50 (700 W)
Input voltage range 9-17 V
Output voltage adjust range 10-17 V
Output voltage tolerance +/- 0.25% (max)
Output voltage noise 10 mV rms
Input and output current setting range 1 – 50 A
Maximum constant short-circuit current 50 A
Continuous output power up to 40°C¹ 700 W
Maximum efficiency 98.5 %
No-load current consumption < 100 mA
Standby current consumption < 1.5 mA
Communication ports  
Bluetooth Smart Yes
VE.Direct Yes
Operating temperature range -20 to +60 °C (derating 1.5 % per °C above 40°C)
Humidity Max. 95 % non-condensing
DC connection Screw terminals
Maximum cable cross-section 25 mm² (AWG4)
Weight 0.330 kg (0.73 lb)
Dimensions hxwxd 137.3 x 123.1 x 40 mm (5.4 x 4.85 x 1.6 inch)
Protection category IP65
Safety IEC 62477-1
Emission IEC 61000-6-3, EN 55014-2
Immunity IEC 61000-6-2, IEC 61000-6-1, EN 55014-2
Automotive Directive ECE R10-5
¹ This applies to optimal cooling where the product is mounted as indicated in the manual with sufficient free space. In case of limited cooling, e.g. due to insufficient airflow, the charging current will be regulated back sooner. With an improved airflow (e.g. forced airflow), derating will take place far above tamb 40°C.
SKU VIC-ORI121217040
Barcode # 8719076058519
MPN # ORI121217040

About Victron Energy Markets


The automotive market comprises a broad range of applications requiring a reliable power supply. In vehicles such as fire engines, ambulances and police cars a human life may depend on an autonomous system. So it is vital that all systems function flawlessly. Victron Energy offers you such an answer. We are proud to offer you our modern translation for freedom and independence. Energy. Anytime. Anywhere.

Read Victron's Automotive Brochure

Off-Grid and Backup

The presence of a functional electricity grid is not always as obvious as it would seem to be. An insufficient infrastructure is often the cause for an unreliable grid. Things become even more difficult when there is no grid at all. And yet you are in need of a reliable electricity supply. A local and properly functioning system is the only answer at this point. Victron Energy offers you such an answer. We are proud to offer you our modern translation for freedom and independence. Energy, Anytime, Anywhere

Read Victron's Off-Grid and Backup Brochure


Whether you’re going on a short fishing trip or planning to sail across the ocean, you’ll need reliable power to enjoy your adventure to the fullest. But at Victron we believe reliability isn’t enough. We believe in Optimal Energy instead. In our view, a boat needs an intelligent power grid that adapts to any challenges you may encounter. With unparalleled reliability, without effort and at great value for money. That’s what we call Optimal Energy.

Read Victron's Marine Brochure

Energy Storage

As more solar and wind power comes on line, it becomes increasingly difficult and expensive, to ensure stability of the grid. Intermediate energy storage is therefore rapidly becoming an essential tool to keep power fluctuations on the grid within manageable limits. Moreover, as feed-in tariffs are decreasing, the business case for a home energy storage system that increases self-consumption becomes more solid every day. Intermediate energy storage increases self-consumption of harvested solar and/or wind power. The natural next step is 100% self-consumption and independence from the grid.

Read Victron's Off-Grid and Backup Brochure

Read the Victron Wiring Guide - Wiring Unlimited

Download the VictronConnect App Here

Helpful Victron Videos

Did You Know - Choosing the right MPPT for your solar by using our calculator

Choosing the right MPPT for your solar by using the Victron calculator

How to not blow up your Alternator when charging a Lithium Battery with a DC-DC Charger

Victrons guide on when to use a DCDC Battery Charger

Victron Energy Limited Warranty Policy

Victron Energy warrants its products to be free from defects in workmanship and materials for a period of 5 years from the date of purchase by the end user, with a maximum of 66 months from the Victron Energy invoice date. Exceptions on this are: lead acid batteries; 2 years from date of purchase by the end user, with a maximum of 30 months from the Victron Energy invoice date, Lithium-ion batteries; 3 years from date of purchase by the end user. In addition to this proof of correct battery usage is required when making a battery warranty claim.

During this period, Victron Energy will, at its option, repair or replace the defective product free of charge. The warranty does not include performing or reimbursing de‐installation, transportation and re‐installation. This warranty will be considered void if the unit has suffered any physical damage or alteration, either internally or externally, and does not cover damages arising from improper use like:
• Reverse of battery polarity.
• Inadequate connection.
• Mechanical shock or deformation.
• Contact with liquid or oxidation by condensation.
• Use in inappropriate environment (dust, corrosive vapor, humidity, high temperature, biological infestation...).
• Breakage or damage due to lightning.
• Connection terminals and screws destroyed or other damages, like overheat, due to insufficient tightening.
• For any electronical breakage except due to lightning (reverse polarity, over‐voltage due to external cause), the state ofthe internal control diode and of the inputs/output X and Y capacitors determine the warranty.

This warranty will not apply where the product has been misused, neglected, improperly installed, or repaired by anyone else than Victron Energy or one of its authorized Qualified Service Partners. In order to qualify for the warranty, the product must not be disassembled or modified.

Repair or replacement are our sole remedies and Victron Energy shall not be liable for damages, whether direct, incidental,special, or consequential, even caused by negligence or fault.

Victron Energy owns all parts removed from repaired products. Victron Energy uses new or reconditioned parts made by various manufacturers in performing warranty repairs and building replacement products. If Victron Energy repairs or replaces a part of a product, its warranty term is not extended. In case of replacement the new component has a warranty of 6 months, without effect on the initial warranty period. All remedies and the measure for damages are limited to the above. Victron Energy shall in no event be liable for consequential, incidental, contingent orspecial damages, even if having been advised of the probability of such damages. Any and all other warranties expressed or implied arising by law, course of dealing, course of performance, usage of trade or otherwise, including but not limited to implied warranties of merchantability and fitness for a particular purpose, are limited in duration to a period of two (2) years from the date of purchase.

Life Support Policy
As a general policy, Victron Energy, does not recommend the use of any of its products in life support applications where failure or malfunction of the Victron Energy's product can be reasonably expected to cause failure of the life support device or to significantly affect its safety or effectiveness. Victron Energy does not recommend the use of any of its products in direct patient care. Victron Energy will not knowingly sell its products for use in such applications unless it receives in writing assurances satisfactory to Victron Energy that the risks of injury or damage have been minimized, the customer assumes all such risks, and the Liability of Victron Energy is adequately protected under the circumstances.

As a product requires service, it must be brought back to the place of purchase. In case no contact can be taken with the merchant, or if he is either unable or not allowed to provide service, direct contact should be taken with Victron Energy.

Warranty on Repairs
The warranty period on products or on printed circuits boards repaired by Victron Energy as well as on printed circuit boards for replacement is 6 months from delivery by Victron Energy.

It is the responsibility of the sender to sufficiently package these products. The transport must be organized in a way to avoid any damage, especially when a single unit or heavy unit is sent.

If a part of the terms and conditions set out above is held invalid, void or unenforceable due to any particular national or international legislation, it shall not affect other parts of the terms and conditions remaining.

For Australia only
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

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