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

Victron Energy Orion Tr Smart 12 24 Volt 15 Amp

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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97229 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

🔌 Power up smartly — never miss a charge, stay ahead of the pack!

PARALLEL POWER BOOST - Connect unlimited units to scale charging capacity effortlessly
COMPACT DURABLE DESIGN - IP43 protection ensures reliable performance in rugged environments
ADAPTIVE 3 STAGE CHARGING - Optimizes battery health for lead-acid & lithium types
DUAL BATTERY SYSTEM READY - Perfect for vehicles and boats needing efficient power management
SEAMLESS BLUETOOTH CONTROL - Monitor and program your charger remotely via app

The Victron Energy Orion-Tr Smart 12/24V 15A 360W DC-DC Charger is a compact, non-isolated battery charger designed for dual battery systems. Featuring adaptive 3-stage charging, Bluetooth connectivity for remote monitoring and programming, and IP43-rated durability, it supports both lead-acid and lithium batteries. Its scalable parallel connection capability makes it ideal for professional-grade power management in vehicles and boats.

Specifications

ASIN	B086KWWK44
Amperage	15 Amps
Battery Charge Time	2 Hours
Best Sellers Rank	#134,079 in Automotive ( See Top 100 in Automotive ) #390 in Battery Chargers
Brand	Victron Energy
Built-In Media	Victron Energy Orion-Tr Smart 12/24-Volt 15 amp 360-Watt DC-DC Charger Non-Isolated (Bluetooth)
Color	Blue
Colour	Blue
Compatible Devices	Vehicles and boats with lead-acid or lithium batteries
Current Rating	15 Amps
Customer Reviews	4.7 out of 5 stars 29 Reviews
Input Voltage	240 Volts
Item Dimensions D x W x H	8.1D x 18.5W x 13H centimeters
Item Type Name	Victron Energy Orion-Tr Smart 12/24-Volt 15 amp 360-Watt DC-DC Charger Non-Isolated (Bluetooth)
Item Weight	1.8 Kilograms
Item weight	1.8 Kilograms
Manufacturer	Victron Energy
Mfr Part Number	ORI122436140
Model Number	NT-1080
Number of Items	1
Output Voltage	12 Volts
Output voltage	12 Volts
Product dimensions	8.1D x 18.5W x 13H centimeters
Specification Met	UL
Specification met	UL
Unit Count	1 Count

Reviews

N**M

Quality victron products

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

Top

Tolles Produkt, schneller Versand.

31.05.2026

M**E

Best Isolator

Best best best.

28.01.2023

M**C

Nice Product

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

12.02.2026

W**E

wirkt perfect mit 24v hausbatterie und 12v startbatterie

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

27.09.2024

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97229 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered 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 Kyrgyzstan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago