Delivered without instructions -- where can a 'user's manual' be found?

Hi, there is a PDF Instructions on the product page -- Product information -- Technical Specification -- User Manual pdf https://images-na.ssl-images-amazon.com/images/I/C1X8DiomGTS.pdf Hope it could help you.

Is the usb output fixed or is it adjustable?

It's not fixed. I had it as high as 13.3 volts in my application of the USB connector. You need to set output to 5v before using any standard usb device.

In the instructions it says to use a diode if using for charging, where does the diode go?

There are two good answers here; when charging a battery with this converter, a series diode should be placed between this device's output and the battery to prevent the battery from attempting to backcharge this device if this device's output drops below battery voltage. In addition... if this device is used as a charge controller for a phototaic (solar) panel, a series diode should also be placed between the panel and this device to ensure that this device will never attempt to backcharge the panel. I suggest the use of a fairly significant Schottky diode for either application.

Constant output voltage with changing input voltage? If I have solar panels as an input with a chaning voltage (+-. 5V) will this affect the output?

Check the limit of input shown in the instruction manual. This unit will regulate voltage or amperage, but not both at the same time.

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

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DC Buck Converter

Product ID: 95912782

Details

Brand
DROK
Current Rating
5 A
Mounting Type
Rack Mount
Power Source
DC
Product Dimensions
1.57"D x x

⚡5A max output current

📺Large clear LCD display

🔧Adjustable 1.5-32V output range

JD 25.84

Duties & taxes included

In stock

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Description

⚡ Power your projects with precision and confidence!

VERSATILE USB PORT - Charge or power USB devices directly, adding convenience to your setup
REAL TIME MONITORING - Dual LCD screen shows voltage and current simultaneously for instant feedback
ROBUST SAFETY FEATURES - Built-in protections against over-current, short-circuit, reverse polarity, and overheating
DURABLE PROTECTIVE CASE - Shield your converter with a sturdy case designed for longevity and safe handling
PRECISION POWER CONTROL - Fine-tune voltage from 1.5V to 32V for any project need

The DROK DC Buck Converter is a compact, high-performance adjustable voltage regulator supporting input voltages from 6V to 32V and output from 1.5V to 32V at up to 5A. Featuring a large LCD display for real-time voltage and current monitoring, it includes multiple safety protections and a USB port for versatile power delivery. Its protective case ensures durability, making it ideal for DIY electronics, solar controllers, and LED drivers.

Specifications

ASIN	B07JZ2GQJF
Best Sellers Rank	#32,394 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #129 in Power Converters
Brand	DROK
Brand Name	DROK
Current Rating	5 A
Customer Reviews	4.4 out of 5 stars 1,961 Reviews
Item Dimensions D x W x H	1.57"D x 2.58"W x 0.98"H
Manufacturer	DROK
Maximum Frequency	180 KHz
Minimum Frequency	60 hertz
Model	180080AFA
Mounting Type	Rack Mount
Number of Items	1
Part Number	180080AFA
Power Source	DC
Product Dimensions	1.57"D x 2.58"W x 0.98"H
Specification Met	CE, ETL
Unit Count	1 Count

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