can the starter be 12v and the house battery be 24v?

Yes. The Orion I am using is a 12/24 step up transformer. My alternator is 12v fused at 30a running 2- #8 THHN wires back to my transformer 12v input, and 24v output charges my house batteries while I am driving

Orion Tr Smart 12 24v 15a Non Isolated Dc Dc

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441733CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Charge smarter, travel farther — stay powered with Orion-Tr Smart!

EXPANDABLE POWER SETUP - Connect unlimited units in parallel to scale up charging capacity effortlessly.
TOOL FREE INSTALLATION - Screw terminals simplify setup—no specialized tools required.
POWERFUL 15 AMP CHARGING - Delivers rapid, efficient battery charging for your dual battery system.
SEAMLESS BLUETOOTH CONTROL - Monitor and adjust charging via VictronConnect app on your smartphone or tablet.
VERSATILE BATTERY COMPATIBILITY - Supports both lead-acid and lithium batteries for ultimate flexibility.

The Victron Energy Orion-Tr Smart 12/24V 15A DC-DC Charger is a professional-grade, non-isolated charger designed for dual battery systems in vehicles and boats. Featuring a 3-stage charging process, Bluetooth connectivity for real-time monitoring and control, and compatibility with lead-acid and lithium batteries, it offers flexible, scalable power solutions with easy installation via screw terminals.

Specifications

ASIN	B086KWWK44
Amperage	15
Battery Charge Time	2 Hours
Best Sellers Rank	193,103 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 10 in Boat Battery Chargers
Brand Name	Victron Energy
Colour	Blue
Compatible Devices	Vehicles and boats with lead-acid or lithium batteries
Connector Types	Screw Terminals
Current Rating	15 Amps
Customer Reviews	4.7 4.7 out of 5 stars (27)
Input Voltage	12 Volts
Item Dimensions D x W x H	8D x 18.6W x 13H centimetres
Item Weight	1.8 Kilograms
Manufacturer	Victron Energy
Manufacturer Part Number	ORI122436140
Model Number	NT-1080
Output Voltage	12 Volts
Product Warranty	Other
Unit Count	1.0 count

Reviews

W**E

eingebaut in bus mit euro 6 -smart- dynamo, wirkt perfect mit 24v hausbatterie und 12v startbatterie

27.09.2024

N**M

Victron products are solid and communicate well with other victron products. I needed this for my sprinter van build and it has good quality craftsmanship and victron has good customer service. The apps communicate well and good instructions on how to install and use. Solid product. It does warm up a little bit and charges well.

22.01.2026

M**E

Best best best.

28.01.2023

M**C

Excellent product for alternator charging my trolling motor lithiums on the water...keeps them topped off.

12.02.2026

L**Z

Excelente

21.01.2026

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TrustScore 4.5 | 7,300+ reviews

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441733CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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