Which end of cable is 5 volts input and which is 12 volts output?

5 volts is the USB-A input side. The output is on the barrel plug and is 12V.

I have a 5v/3a power bank that I'm planning to use to power up a 12v 1.5a monitor. Will this work?

The max output current for 12V is 1 amp. Your monitor requires 1.5 amps so technically the draw over the rating of the adapter and will not work.

Could this be used for audio equipment as a 12v trigger to activate (an amplifier) from another device that has USB but no trigger output?

Probably will work. I used a 5v usb connector in my car to feed this device. It gave me a 12 v output to supply a radar detector.

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DC 5V to DC 12V USB Voltage Step Up Converter

DC 5V to DC 12V USB Voltage Step Up Converter

Product ID: 406924295

Details

Amperage
1 Amps
Brand
FARSENSE
Color
Black
Compatible Devices
12V DC barrel
Compatible Phone Models
less than 10W
Connector Type
USB Type A

⚡12V output, 1A max power

🔋USB 5V input boost converter

🛡️Multi-layer device protection

₨325

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Description

🔌 Power your 12V gear from USB—because your tech deserves a boost!

POWER UP ANYWHERE - Seamlessly convert USB 5V to 12V DC for your low-power essentials under 10W.
SMART SAFETY SHIELD - Built-in intelligent IC guards against over-current, over-voltage, over-temperature, and short circuits.
COMPACT TRAVEL READY - Lightweight 39g design with a sleek frosted shell fits perfectly in your tech kit.
PLUG PLAY CONVENIENCE - No drivers needed—just connect and power your router, smart camera, or heated jacket instantly.
UNIVERSAL COMPATIBILITY - Includes dual DC jacks (5.5x2.5mm & 3.5x1.35mm) to fit a wide range of 12V devices.

The FARSENSE USB to DC 12V Step Up Power Cable is a compact, lightweight converter that boosts standard 5V USB power to 12V DC at up to 1A, ideal for low-power devices under 10W. Featuring a durable frosted shell and intelligent multi-protection circuitry, it ensures safe, reliable operation for gadgets like routers, smart cameras, and heated jackets. Its plug-and-play design with dual DC jack sizes makes it a versatile travel companion for professionals on the go.

Specifications

ASIN	B09NSHWLV9
Additional Features	Lightweight Design
Amperage	1 Amps
Best Sellers Rank	#90,574 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #340 in Power Converters
Brand	FARSENSE
Built-In Media	1 x USB Cable
Color	Black
Compatible Devices	12V DC barrel interface equipment below 10W
Compatible Phone Models	less than 10W power equipment
Connectivity Technology	USB
Connector Type	USB Type A
Current	DC
Current Rating	1 Amps
Customer Package Type	simple box
Customer Reviews	4.2 4.2 out of 5 stars (315)
Enclosure Material	Plastic
Input Voltage	12 Volts
Item Weight	0.03 Kilograms
Manufacturer	FARSENSE
Mfr Part Number	UC12
Model Name	UC12
Model Number	UC12
Number of Items	2
Output Current	1 Amps
Output Voltage	12 Volts
Portable	Yes
Power Plug	No Plug
Power Source	Corded Electric
Total Usb Ports	1
UPC	797444852486
Unit Count	1 Count
Wattage	10 watts
Wired Charging Connector Type	USB Type A

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TrustScore 4.5 | 7,300+ reviews

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₨325

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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