Victron Orion XS 12/12-50 DC-DC Charger

Victron Orion XS 12/12-50A — DC-DC Battery Charger

The van community's #1 recommended DC-DC charger. Takes power from your alternator (or starter battery) and intelligently charges your house battery bank with a proper multi-stage profile — exactly what lithium batteries need. Quiet, efficient, Bluetooth-configurable via VictronConnect.

Key Features

• 50A continuous output — charges a 200Ah LiFePO4 bank from 50% to full in about 2 hours of driving
• LiFePO4 charge profile (also AGM, gel, flooded) configurable via app
• Engine-running detection — automatically starts/stops charging based on alternator voltage
• Bluetooth built-in — no extra dongle needed, configure from your phone
• Low-voltage input protection — won't drain your starter battery
• Passive cooling — no fan, silent operation

Ideal For

• Van and overlanding builds that want reliable LiFePO4 charging from the alternator
• Sprinters, Transits, Promasters with a single starter battery
• Anyone building with Victron's connected ecosystem

Frequently Asked Questions

Does the Victron Orion XS work with a smart alternator?
Yes. It regulates the input voltage and delivers a proper multi-stage charge, so your house battery charges fully even when a modern smart alternator lowers its output. Built-in low-voltage protection stops it before it drains your starter battery.

Does the Orion XS have Bluetooth?
Yes — Bluetooth is built in. Configure the charge profile and monitor it from the free VictronConnect app; no separate dongle needed.

What size battery bank does the 50A Orion XS suit?
It charges a 200Ah LiFePO4 bank from roughly 50% to full in about 2 hours of driving. A common rule of thumb is a charge current of 20–50% of your bank's amp-hours, so 50A pairs well with 100–250Ah banks.

Which batteries is it compatible with?
LiFePO4, AGM, gel, and flooded lead-acid — the charge profile is selectable in the VictronConnect app.

Is the Orion XS noisy?
No. It uses passive cooling with no fan, so it runs silently — a real plus inside a camper.

How is the Orion XS wired?
It connects to your starter-battery terminals (not the alternator directly), fused at each battery, and starts/stops automatically on engine-on detection. Our System Build Helper shows exactly where it sits in a full wiring diagram.

Pairs Well With

• Renogy 200Ah LiFePO4 battery — ideal size match for 50A charging
• Victron BMV-712 — monitor exactly what's going in and out

Comparing chargers? See our DC-DC charger buying guide for how the Orion XS stacks up against the Renogy and Mastervolt options.

Not sure what size DC-DC you need? Use our free Power Station Size Calculator to figure out your daily load first, then the System Build Helper to plan alternator charging into your complete electrical layout.