Will this be ideal on our 24v power vessel to supply the 12v led lights, sound system, vhf etc? or too powerful

That is the purpose of a device like this. 70Amps is just the max it can output. The output is variable based on the live load. Hopefully that helps.

Are there any issues charging a 24v lifepo4 to a 12v lifepo4 with this charger?

I use the Orion 24/12-25 to bulk charge my 12.8 volt nominal LiFePO4 battery bank from my other 25.6 volt nominal LiFePO4 battery as a supplement to the MPPT Solar Charge Controllers with good results

This unit is listed as 70 amps, is that for the output (12volts)?

Yes, that is the full load rating for the 12VDC output

One reviewer states having issues charging 24v batteries from an alternator with the 12/24 model. Can this be safely and effectively done?

This is not the right device for that.

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Orion 12/24-Volt 20 amp DC-DC Converter Non-Isolated, High Power

Orion 12/24-Volt 20 amp DC-DC Converter Non-Isolated, High Power

Product ID: 366077148

Details

Brand
Victron Energy
Colour
Blue
Input Voltage
12 Volts (DC)
Item Weight
0.93 Kilograms
Item dimensions L x W x H
19.6 x 8.9 x

⚡20A high output current

🔄93% conversion efficiency

🔧Adjustable & parallelable output

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Description

🔋 Charge smarter, travel farther — power your adventure with Victron Energy!

EFFORTLESS INTEGRATION - Compact, easy to install, and compatible with vehicles, marine, RVs, and solar systems—power your lifestyle anywhere.
POWER UP WITH PRECISION - Delivers a robust 20 amp output for seamless 12V to 24V conversion, powering your devices without compromise.
SCALABLE POWER SOLUTION - Parallel up to five units to multiply output current, ideal for high-demand applications and future-proofing your rig.
MAXIMIZE ENERGY EFFICIENCY - Achieves an impressive 93% conversion efficiency, ensuring minimal energy loss and longer battery life.
CUSTOMIZABLE CHARGING FLEXIBILITY - Adjustable output doubles as a battery charger, perfect for multi-battery systems in advanced setups.

The Victron Energy Orion 12/24-Volt 20 Amp DC-DC Converter is a high-efficiency, non-isolated power converter designed to step up 12V DC input to 24V DC output with 20 amps of current. Featuring 93% conversion efficiency, adjustable output for battery charging, and the ability to parallel multiple units, it is ideal for automotive, marine, RV, and solar applications. Compact and easy to install, it ensures reliable, scalable power conversion for professional and enthusiast setups alike.

Specifications

ASIN	B01BF5BU20
Best Sellers Rank	#407,076 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #202 in Power Inverters
Box Contents	Components included in the description
Brand	Victron Energy
Brand Name	Victron Energy
Colour	Blue
Country of Origin	USA
Customer Reviews	4.5 out of 5 stars 124 Reviews
Global Trade Identification Number	08719076022763
Input Voltage	12 Volts (DC)
Item Dimensions	19.6 x 8.9 x 6.6 Centimeters
Item Weight	0.93 Kilograms
Item Weight Unit of Measure	0.93 Kilograms
Item dimensions L x W x H	19.6 x 8.9 x 6.6 Centimeters
Manufacturer	Victron Energy
Manufacturer Part Number	ORI122420020
Model Number	ORI122420020
Number of Outlets	1
Output Voltage	30 Volts
Plug Type	Type M
Power Source	Electric Cable
Unit Count	1 Count

Reviews

P**M

Quality

22.04.2026

R**D

Works well as expected nice unit

18.04.2026

J**A

Carregador de bateria 12vts x 24v

Produto ótimo carrega meu banco de bateria 24v lifepo4 de 200ha

8.06.2025

A**D

used to charge Bluetti AC-180

11.10.2024

J**R

Works as designed, perfect for marine use

31.01.2026

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Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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