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Designed for RV owners who want fast, safe, and efficient battery charging while driving. This kit uses the advanced Victron Orion XS 12/12-50A DC-DC Battery Charger to automatically charge your house battery from your vehicle's alternator, ensuring optimal charging performance and extended battery life.
The RV Engine Charging Kit provides a complete, ready-to-install solution with properly sized protection devices and pre-terminated battery cables for a clean, professional installation.
⭐ Designed for RV owners seeking a reliable alternator charging solution for 12V battery systems.
This system is well suited for RV owners who want to:
| Description | Qty |
|---|---|
| Victron Orion XS 12/12-50A DC-DC Battery Charger | 1 |
| Victron MIDI-Fuse 60A/32V | 2 |
| Victron MIDI-Fuse Holder | 2 |
| 4 AWG Red Tin Battery Cable – 1/4" Lug to Bare End (12 ft) | 1 |
| 4 AWG Red Tin Battery Cable – 1/4" Lug to 5/16" Lug (3 ft) | 1 |
| 4 AWG Black Tin Battery Cable – 5/16" Lug to 5/16" Lug (15 ft) | 1 |
RV POWER ACCESSORIES
Enhance your RV electrical system with battery monitoring and charging management accessories from Victron.
CHARGING MANAGEMENT
Improve battery charging accuracy with precise battery voltage and temperature measurements. This information helps compatible charging equipment optimize battery charging and support proper battery management.
Particularly recommended when the MPPT charge controller and battery bank are installed in different locations, where cable voltage drop and temperature differences can affect charging performance.
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BATTERY MONITORING WITH DISPLAY
View battery voltage, charge and discharge current, state of charge, consumed amp-hours (Ah), and estimated time remaining.
Track historical battery performance, including deepest discharge, average discharge, and the number of charge/discharge cycles.
Includes a measurement shunt and a dedicated physical battery display.
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DISPLAY-FREE BATTERY MONITORING
Provides similar battery monitoring features to the BMV-712, but without a separate physical display. Your phone acts as the display through the VictronConnect app.
According to the supplied engineering information, monitoring data can be stored for up to 46 days. This is a practical option when less wiring and clutter are preferred.
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RV Engine Charging Kit FAQ
This is a DC-DC battery charging kit that charges your RV's house battery bank directly from your vehicle's alternator while you drive. The kit is built around a Victron Orion XS DC-DC charger, with fuses, fuse holders, and battery cable included for a complete engine-to-house charging connection.
The DC-DC charger connects between your vehicle's starter battery (or alternator circuit) and your house battery bank. While the engine is running, it converts and regulates power from the alternator to safely charge your house batteries, isolating the two battery systems so your starter battery is never drawn down.
This kit uses a Victron Orion XS 12/12-50A DC-DC battery charger, which:
This kit is typically best suited for:
This kit includes:
See the System Components section for complete quantities and specifications.
A 60A/32V MIDI-fuse and holder is included for both the starter battery side and the house battery side of the run. Fusing both connections close to each battery protects the wiring and both battery banks in the event of a short circuit.
The kit includes pre-terminated 4 AWG tinned battery cable sized for 50A DC-DC charging runs:
All cable is tinned for corrosion resistance in marine and RV environments.
Yes, this kit is designed to be DIY-friendly for anyone comfortable with basic 12V wiring. Routing cable between the engine bay and house battery compartment, and confirming correct fuse placement, should be reviewed by a qualified RV technician or electrician if you're unsure.
Yes. Optional add-ons include:
Final wiring, fuse sizing, and connection points should be reviewed against your vehicle and RV's electrical system and manufacturer guidelines. Consult a qualified installer or electrician if you're unsure about any step of the installation.
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