Victron Energy Orion-XS Smart DC to DC Charger (Bluetooth) 12/12V 50A 700W

Work like a high powered dream. Recommend buying! Victron + SOK Battery System Charging Path Narrative This document describes the wiring layout and rationale for each major charging component in a custom power system installed in a Ford Transit 250 High Roof EcoBoost van. The system includes two SOK SK12V314PH LiFePO4 batteries, a Victron MultiPlus 12/3000, a Victron SmartSolar MPPT 100/30, two Victron Orion XS 12/12-50A DC-DC chargers, and a Cerbo GX for centralized control and monitoring. 1. Alternator Charging Path (DC-DC via Orion XS 50A Chargers) Source: Ford Transit 250's factory 175A Customer Connection Point (CPP). Cable: 15 feet of 2/0 AWG marine-grade cable is used to carry alternator current from the CPP to a protection and distribution system. Breaker: A Blue Sea 120A breaker protects this main charging input, limiting current to protect wiring and components downstream. Bus Bar: From the breaker, 2/0 AWG marine-grade cable continues to a Blue Sea 250A rated positive bus bar. Orion Input Wiring: Two 4 AWG marine-grade wires run from the 250A bus bar to the input terminals of each Victron Orion XS 12/12-50A charger. Grounding: The Orion XS units are grounded using 4 AWG marine-grade wire to a common Blue Sea negative bus bar. Orion Output Wiring: Each Orion’s output is protected with an 80A Blue Sea breaker. From each breaker, 4 AWG marine-grade wire connects the Orion’s output to a second positive bus bar. Purpose: This setup ensures safe, controlled DC-DC charging from the van alternator to the house battery bank. The Orion XS units are managed via DVCC and Ve.Direct Connect to the Cerbo GX, and configured to only turn on when alternator voltage rises above the engine-on threshold, preventing van battery drain. 2. Solar Charging Path (SmartSolar MPPT 100/30) Controller: Victron SmartSolar MPPT 100/30 connected to a solar array (not detailed here). Connection to System: The MPPT’s positive output wire connects to the same positive output bus bar used by the Orion chargers. Ground: MPPT negative output wire connects to the shared negative bus bar. Monitoring: MPPT is VE.Direct connected to the Cerbo GX, enabling DVCC and battery voltage/current telemetry. Purpose: Provides charging from solar independent of engine operation. Integrated into GX for full system coordination. 3. Inverter/Charger Path (Victron MultiPlus 12/3000) Connection: The MultiPlus is wired directly to the main positive bus bar with 4/0 AWG marine-grade cable. Ground: The MultiPlus negative is wired to the main negative bus bar using 4/0 AWG marine-grade cable. 30 Amp fused Shorpower link: Connected to the Inverter with 4/0 AWG Digital Multi-control: Connected to the Victon Cerbo GX with regular RJ45 allows inverter control from the cabin Function: Provides both shore charging and AC inversion. Shore charging current is regulated via the Cerbo GX and DVCC in communication with the SOK BMS. Rationale: 4/0 AWG ensures low resistance paths for high current draw and charging currents. 4. Battery Bank Wiring (SOK SK12V314PH Batteries) Configuration: Two SOK 314Ah LiFePO4 batteries connected in parallel. Wiring: Both batteries are connected to the positive bus bar with 4/0 AWG marine-grade cable. Similarly, both battery negatives are wired to the shared negative bus bar with 4/0 AWG. Monitoring: The SOK BMS communicates via CAN bus to the Cerbo GX, which centrally manages charge voltage and current limits across the system (Orions, MPPT, MultiPlus). 5. Ventilation Fan Control (Temperature-Based) Fans: Two 12V DC fans are installed for compartment cooling. Control: Fans are triggered automatically using temperature relays configured in the Cerbo GX. Purpose: To protect sensitive components (batteries, inverter, DC-DC chargers) from heat buildup, especially during charging. This architecture prioritizes safety, alternator protection, smart BMS-based charging, and full integration with Victron GX for visibility and control. It balances high-capacity charging with efficient heat management and battery health longevity.

I have a 2022 Winnebago Micro Minnie FLX travel trailer with 570 Watts of Solar Panels and a 30-amp Solar Charger charging a single 320-amp LiFePo battery. Since I don’t have much of a footprint on the trailer roof for more solar panels, I decided to install a DC-to-DC Charger so my truck could charge the trailer house battery while I was driving, much like camper vans do with built in DC-to-DC Chargers. After doing hours of research and watching a lot of YouTube videos to find the best charger, I settled on the Victron Orion XS 50-amp DC-to-DC Charger. To say I’m extremely pleased with this Victron Charger would be a huge understatement. It has worked beyond my greatest expectations! One problem I did have to overcome was finding the best way to run the input wiring to the Charger from my 2022 Chevy Silverado 2500HD Diesel truck’s primary battery. I finally settled on using 175-amp Anderson connectors to provide the connection between the truck and the trailer and ran Spartan Power 2-AWG welding cables from the truck battery to the truck side Anderson connector and the same gauge cable from the trailer side Anderson connector to a Joinfworld Heavy Duty 400A Bus Bar Distribution Block near the Victron DC-to-DC charger. From the Distribution Block, I transitioned down to Spartan Power 4-AWG welding cable to make the final connection to the Victron charger. To provide further abrasion/heat protection for the positive and negative cables, I double jacketed both 2-AWG welding cables with 1 layer of GEARit 1-1/2” Heat Shrink Tubing and 1 layer of 1-3/8” Automotive Heat Shrink Braided Sleeving. I also incased the truck side Anderson connector in a Trailer Vision Anderson Connector Plug Cover surface mounting kit and the trailer side Anderson connector in a Trailer Vision Anderson Connector Cover Assembly to provide better dust/water protection. Finally, to provide proper circuit protection, I installed a BOJACK in-Line ANL Fuse Holder with 150-Amp Fuse for the positive cable from the truck battery and 2 Young Marine 60-Amp Circuit Breakers for the positive Input and Output of the Victron Charger. I highly recommend the Victron Orion XS 50-amp DC-to-DC Charger. It operates as advertised and the Victron Connect app makes it very easy to setup the charger for various batteries and battery manufacturer settings and to monitor the status of the charging while driving down the road. I’ve even used my truck to charge the battery while boondocking when the solar panels weren’t providing enough charge on very cloudy days. A very nice bonus!

This DC Converter is fantastic. I have the 30amp version on my sailboat and enjoy that unit, however I will continue to use this smart 50amp version for all my uses moving forward. The device is smaller, and has ability to control the incoming amperage, and outgoing amperage to fit the use better. The adjustment of amperage has been elemental to success on my boondock RV switching from short power, to truck alternator, to any other DC power source I may plug in. Highly suggest Victron in total and this XS unit specifically.

This is an improved DC to DC converter that is much smaller and runs much cooler than its predecessor. While it is not cheap, it is a Victron component, is robust, well-made and its many features are well documented. It can be connected to your Victron network of other components and displays on the Victron connect app. I use it to charge the lithium battery in my truck camper. I ran a 4-gage wire from the truck battery to an Anderson plug that connects to the truck camper. A bit of a project to set up, but very nice.

Typical Victron quality and functionality. Works perfectly as design. Provides a controllable ability to charge RV house batteries from vehicle alternator without overloading alternator..... Just wish the made a 75 amp version... Would be more usable.

I've had this installed in my camper for several months now to keep my secondary AGM battery bank charged from my LiFePO4 primary battery bank attached to my solar. It does a great job and has a small footprint which is extremely helpful. I highly recommend.

This DC to DC charger has been a great addition to my setup. One of the things I appreciate most is how compact it is and it doesn’t take up much space and was easy to fit where I needed it. The design is straightforward and once installed, it works exactly as expected. Charging is efficient and reliable. My only gripe is with the instructions, they could definitely be clearer. It would be helpful if they were always easily accessible online since the included directions left a bit to be desired. That said, once you get past the initial setup, this is a solid little device that does its job well.

I used this to convert 70A 12V alternator source to charge 12V RV battery with a 50A limit. It worked flawlessly without configuration in my system.

Llego en fecha prevista, producto de gran calidad.

Der DC-DC Laderegler von Victron wurde mir bereits mehrmals empfohlen und ist jetzt auch bei mir im Auto verbaut. Er lädt zuverlässig meine zweite Batterie und es ist toll auch per Bluetooth die Kontrolle zu haben. Die Verbindung ist schnell hergestellt und stabil. Bisher bin ich extrem zufrieden mit dem Gerät

Très bon produit , minuscule vis à vis de la gamme précédente et ne chauffe pas énormément malgré des charges à 40A.

Funziona benissimo

Early days yet I know, but installed it two days ago to replace a different brand that was nothing but trouble. This unit is easy to setup and just WORKS. Installed on a 2021 MB Sprinter motor home and it's well worth the extra dollars for a well designed and foolproof item. 5 stars.