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.

Orion 12 24 Volt 20 Amp Dc Dc Converter Non

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Description

⚡ Charge smarter, not harder — power your adventures with Victron Energy!

PARALLEL POWER BOOST - Connect up to five units in parallel to multiply your current capacity seamlessly.
EFFICIENCY THAT SAVES - Achieves an impressive 93% conversion efficiency to maximize energy use and reduce waste.
PLUG PLAY VERSATILITY - Easy installation for vehicles, marine, RVs, solar setups, and more—power your lifestyle anywhere.
POWER UP WITH PRECISION - Delivers a robust 20 amps output for reliable high-power DC conversion.
CUSTOMIZABLE VOLTAGE CONTROL - Adjust output voltage up to 30V to perfectly match your battery or device needs.

The Victron Energy Orion 12/24V 20A DC-DC Converter is a high-efficiency, non-isolated power converter designed to step up 12V DC input to 24V DC output with up to 20 amps of current. Featuring 93% conversion efficiency, adjustable voltage output, and the ability to parallel up to five units, it’s ideal for automotive, marine, RV, and solar applications. Its remote on/off capability and compact design make it a versatile and reliable choice for professionals seeking efficient power management on the go.

Specifications

ASIN	B01BF5BU20
Best Sellers Rank	#39,777 in Automotive ( See Top 100 in Automotive ) #90 in Power Inverters
Brand	Victron Energy
Built-In Media	Components included in the description
Color	Blue
Customer Reviews	4.4 out of 5 stars 126 Reviews
Global Trade Identification Number	08719076022763
Input Voltage	12 Volts (DC)
Item Dimensions	7.7 x 3.5 x 2.6 inches
Item Type Name	CONVERTIDOR ORION DC-DC 12/24-20
Item Weight	0.93 Kilograms
Item dimensions L x W x H	7.7 x 3.5 x 2.6 inches
Manufacturer	Victron Energy
Mfr Part Number	ORI122420020
Model Number	ORI122420020
Number of Outlets	1
Output Voltage	24 Volts (DC)
Plug Type	Type M
Power Source	Electric Cable
Unit Count	1.0 Count

Reviews

J**R

31.01.2026

A**R

14.12.2024

O**O

5.12.2025

A**Z

14.04.2026

M**N

10.07.2024

T**Y

4.06.2024

J**P

22.09.2024

M**M

1.02.2025

P**M

22.04.2026

R**D

18.04.2026

J**A

8.06.2025

A**D

11.10.2024

R**N

23.03.2024

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₩375819

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In stock

Sold byAmazon South KoreaDelivered 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 South Korea.

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

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