can I add a 12 volt alternator or charger to the output to charge the 24 volt supply battery?

This converts 24v to 12v not the other way around. Now as far as your question. If you have 12v battery's wired in Series to make it a 24v battery then yes you can use a 12v alternator to charge your battery's. Personally I wouldn't buy this unit again as It burnt up upon 1st use.

Do you have to install a switch between the converter and the battery to stop battery drain or will the batteries be ok hooked straight in line?

The drain current is less 0.04A. Thanks.

What is the voltage out? 12 Volts or 13.8 Volts. Can it be adjusted?

This output is 12V and the voltage can't be adjusted.

If the output short circuits does the unit protect itself or should I add a fuse?

You could add a fuse, but in fact, it's no need. Thanks.

24v To 12v 60a 720w Dc Dc Step Down Converter

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

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$357.60

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Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power Up Your Ride with Confidence!

SAFETY FIRST - Equipped with over current, over voltage, and over temperature protection.
BUILT TO LAST - Aluminium shell with epoxy potting ensures durability and waterproofing.
HIGH EFFICIENCY CHAMPION - Achieve up to 97% efficiency for optimal performance.
UNMATCHED POWER STABILITY - Experience 100% full rated power with a stable output voltage.
RIGOROUS QUALITY ASSURANCE - Undergoes a 100% burn-in test and 4x quality inspections.

The Daygreen 24V to 12V Power Buck Module is a high-performance DC-DC converter designed for automotive applications, delivering a stable output voltage with robust safety features and exceptional efficiency.

Specifications

ASIN	B078VQGPYS
Best Sellers Rank	#710,253 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3,254 in Power Converters
Brand	Daygreen
Color	Silver
Customer Reviews	3.4 out of 5 stars 8 Reviews
Input Voltage	35 Volts
Item Dimensions	3.94 x 3.15 x 1.57 inches
Item dimensions L x W x H	3.94 x 3.15 x 1.57 inches
Manufacturer	Daygreen
Mfr Part Number	24V TO 12V
Model Number	B40-24-12A
Number of Outlets	1
Output Voltage	12 Volts
Power Source	Battery Powered
UPC	641055151240

Reviews

M**2

Zero supporting documentation

No instructions, specifications, application limits, warnings or wiring diagrams. Just the converter and a loose jumper clip thrown in the box. Typical product from China.

7.01.2019

A**.

Not working

I usually plug any new electronic device into the electricity hours before I connected to another device So I connect the device to 24v Battery and check the voltage output is 13.3v and keep few hours and check the device is heating normal but no output power

21.01.2023

G**N

Works great! Easy setup

Very easy to set up. Well labeled. Works great, haven't had any issues.

9.08.2021

A**S

Bueno

Buena invención

28.07.2019

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