How to Test the PSU Output correctly?

Please refer to our test video: youtu.be/leqeFTJcSHk; the test method by Noah Ferro is not right test method, it need to add load to test the power supply output ability.

Does this power supply support fast charging?

No. This is a standard Type-C 5V 4A power adapter and does not support fast charging protocols.

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

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Type-C 5V 4A PSU-US Plug

Product ID: 371659945

Details

Amperage
4 Amps
Brand
Geekworm
Color
Black
Compatible Phone Models
Raspberry Pi 4
Connector Type
usb
Included Components
1x 5V 4A US

⚡20W stable power output

🔌4A high current USB-C delivery

🛡️UL certified safety protections

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NT$700

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Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your projects with confidence — the ultimate USB-C charger for pros who won’t settle.

CERTIFIED RELIABILITY - UL Listed and backed by rave reviews, this power supply is the trusted choice for professionals who demand stability and longevity.
BUILT IN SAFETY SHIELD - Equipped with over-voltage, under-voltage, over-current, over-temperature, and short-circuit protections for worry-free operation.
PLUG PLAY CONVENIENCE - 1.2-meter cable length and US Type-A plug ensure easy setup and reliable connection wherever you work or create.
POWER UP WITHOUT COMPROMISE - Delivers a consistent 5V 4A output to keep your Raspberry Pi 4 and compatible devices running flawlessly.
UNIVERSAL USB C COMPATIBILITY - Seamlessly supports Raspberry Pi 4 Model B (all RAM versions), Orange Pi 5 series, NASPi, and more—one charger to rule them all.

This 20W 5V 4A USB-C power adapter is UL certified and engineered specifically for Raspberry Pi 4 Model B and a wide range of compatible single-board computers. Featuring comprehensive safety protections and a 1.2m cable, it ensures stable, reliable power delivery to keep your tech running smoothly without under-voltage warnings or interruptions.

Specifications

ASIN	B09J856PND
Additional Features	Short Circuit Protection
Amperage	4 Amps
Best Sellers Rank	#115 in Computer Power Supplies
Brand	Geekworm
Built-In Media	1x 5V 4A US Plug Type-C Power Supply
Color	Black
Compatible Devices	Orange Pi 5/5B/3B/5 Plus, Phone with USB Type-C power in port, Raspberry Pi 4 Model B, RockPi, Thinker Board
Compatible Phone Models	Raspberry Pi 4 8GB/4GB/2GB/1GB
Compatible Power Plug Type	Type C
Connectivity Technology	USB
Connector Type	usb
Current	DC
Current Rating	4 Amps
Customer Package Type	FFP
Customer Reviews	4.7 4.7 out of 5 stars (203)
Enclosure Material	Plastic
Form Factor	Stand
Frequency Range	50-60 Hz
Input Voltage	240 Volts
Item Weight	131 Grams
Main Power Connector Type	2 Pin
Manufacturer	Geekworm
Mfr Part Number	TB-2021-35
Model Name	Power Adapter
Model Number	TB-2021-35
Mounting Type	Wall Mount
Number of Items	1
Number of Power Levels	1
Output Current	4 Amps
Output Voltage	5 Volts
Portable	No
Power Plug	Type A - 2 pin (North American)
Power Source	Corded Electric
Specification Met	UL
Total Usb Ports	1
Unit Count	1.0 Count
Voltage	5 Volts
Warranty Description	3 months
Wattage	20 watts
Wired Charging Connector Type	USB Type C

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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NT$700

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered 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 Taiwan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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