This unit has been triggering my RV's low voltage proection, likely from random spikes. Anyone have an idea on how to disable it?

Yes, the same thing happened to me with my 30A Victron dc-dc on my 2021 Ford Transit starter battery. The answer is to use the 18A victory dc-dc charger. I learned this the hard way. Some cars can't handle that draw.

Would it harm this victron 12-12-18 if I mounted it in a pickup truck engine compartment, connectors at the bottom and air space around it?

For good cooling effect, the Oion is designed for vertical mounting only. Other mounting methods may impair cooling and reduce the service life of the product.

Can I connect the input and output ground together?

Yes if not trying to isolate like in a boat for galvanic corrosion. If you don't need the isolation feature just purchase the non-isolated model and save a few dollars. If you already own the isolated model and installing in a RV you can ground both to same ground connection.

I'm looking to find a dc-dc charging solution that also accepts solar input. i'd rather have victron vs redarc or ctek?

I use two separate devices. Solar is in series so the input ranges up to 100 volts. It’s nice seeing both via Bluetooth.

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Orion-TR Smart 12/12-Volt 18A 220W DC-DC Isolated Charger (Bluetooth)

Product ID: 733554743

Details

Brand
Victron Energy
Colour
Black
Item Weight
1.2 Kilograms
Output Voltage
12 Volts (DC)
Product Dimensions
7.1D x 18.5W x

⚡18A high current output

📶Bluetooth Smart monitoring

🔋220W isolated DC-DC charging

€ 674.26

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Description

🔌 Charge smarter, stay powered longer — the future of dual battery management!

ISOLATED DC DC DESIGN - Ensures safe, interference-free charging between starter and service batteries.
POWERFUL 18 AMP OUTPUT - Delivers robust 18A current for efficient dual battery charging.
TOOL FREE INSTALLATION - User-friendly screw terminals simplify setup without special tools.
PARALLEL READY SCALABILITY - Connect multiple units to boost output power as your energy needs grow.
SEAMLESS BLUETOOTH CONTROL - Monitor and program your charger remotely via VictronConnect app.

The Victron Energy Orion-TR Smart 12/12-Volt 18A 220W DC-DC Isolated Charger is a premium, Bluetooth-enabled charger designed for dual battery systems in vehicles and boats. It delivers a stable 18 amps of isolated power, supports lead and lithium batteries, and allows remote monitoring and programming via the VictronConnect app. Its scalable parallel connection and easy screw terminal installation make it a top-tier choice for professionals seeking reliable, efficient battery management.

Specifications

ASIN	B0851TPKV7
Amperage	18 Amps
Battery Charge Time	1 Hours
Box Contents	Victron Energy Orion-TR Smart
Brand Name	Victron Energy
Colour	Black
Connector Type Used on Cable	Screw Terminal
Country of Origin	USA
Current Rating	18 Amps
Customer Reviews	4.7 4.7 out of 5 stars (913)
Input Voltage	12 Volts (DC)
Item Dimensions D x W x H	7.1D x 18.5W x 13H Centimeters
Item Type Name	NT-1100
Item Weight Unit of Measure	1.2 Kilograms
Manufacturer	Victron Energy
Manufacturer Part Number	ORI121222120
Model Number	ORI121222120
Number of Items	1
Output Voltage	12 Volts (DC)

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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€ 674.26

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Portugal.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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