TQ Power Products
19V 3.42A Power Supply 65W AC/DC Adapter

Desktop Power Adapter

19V 3.42A Power Supply 65W AC/DC Adapter

19V 3.42A (65W) power supply with universal AC input (100-240V). Features 2.1×5.5mm DC connector (Optional), UL/CUL/FCC/CE certified. Ideal for laptops, monitors, all-in-one PCs, docking stations. Compact 115×50×32mm desktop design with OVP, OCP, SCP, OTP protection.

UL / FCC / CE Certified

International safety standards

7-10 Days Lead Time

Fast production & shipping

MOQ 100 pcs

Low minimum order quantity

3-Year Warranty

Full quality guarantee

Why 500+ Global Clients Trust TQ Power

15+

Years in Business

500+

Global Clients

10M+

Units Exported

<0.3%

Defect Rate

Product Details

Product Overview

The 19V 3.42A Desktop Power Adapter is a robust and efficient power supply engineered for mid-to-high power electronic devices. With universal AC input (100-240V) and a stable 65W DC output, it works seamlessly across North America, Europe, Asia, and beyond. The adapter features a detachable AC power cord with a standard C8 or C14 connector, allowing users to easily replace the cord for different regional outlets. It comes with a standard 5.5/2.5mm or 4.0/1.35mm DC output connector, making it compatible with laptops, portable monitors, LED lighting systems, communication equipment, and many other 19V devices.

DC Output VoltageDC Output Rated CurrentBody sizeDC cable lengthAC socket options
Standard
19V ± 5%3.42A115*50*32mm1.2m/1.5m (optional)C6/C8/C14
UL/CUL FCC CE CB
Input Rated VoltageInput Frequency RangeInput CurrentInput Inrush CurrentEfficiencyRipple and Noise
86Vac~264Vac47Hz~63Hz0.8A (Max)50A88%, Level VI≤120mV
Turn On Delay TimeDielectric Withstand VoltageProtectionLeakage CurrentOperating TemperatureStorage Temperature
≤3S (AC:110V full load)3K Vac 1minOVP, OCP, SCP, OTP≤5mA0°C ~ +55°C-20°C ~ +85°C


The adapter features intelligent temperature control with a high-efficiency copper-core transformer and multi-layer aluminum heat sink, keeping surface temperatures below 45°C even under continuous full-load operation. Compact and lightweight, it is ideal for business travelers and daily commuters.

Wide Compatibility

This 19V 3.42A desktop power adapter is designed for versatile use. It powers laptops, portable monitors, LED lighting systems, communication equipment, and many other 19V devices. The stable 19V output ensures clean power for sensitive electronics, providing a long-lasting and reliable solution for home, office, and industrial applications.


The product label clearly displays all technical parameters and safety certification marks. Each unit is individually tested and serialized for full traceability. The UL, CE, and FCC certifications ensure compliance with international safety standards for global market distribution.

Safety Features

Built-in protection circuitry includes Over-Voltage Protection (OVP), Over-Current Protection (OCP), Short-Circuit Protection (SCP), and Over-Temperature Protection (OTP). In the event of a fault, the adapter enters safe mode and automatically recovers once the fault clears—no manual reset required.

Warranty & Support

We stand behind our products with a full 3-year warranty. Our dedicated support team is available to assist with any questions about compatibility, installation, or technical specifications. OEM and ODM services are also available for bulk orders.


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Download Specification

Spec. 19V 3.42A 65W dekstop 260901.pdf

19V 3.42A Power Supply 65W AC/DC Adapter Specifications

Output Voltage

19V DC

Output Current

3.42A

Power Rating

65W

Input Voltage

100-240V AC

Certifications

UL/CUL/FCC/CE

Connector Type

5.5×2.1mm / 5.5×2.5mm

Applications for 19V 3.42A Power Supply 65W AC/DC Adapter

LED Strip Lights

LED lighting systems

CCTV Cameras

Security camera systems

Routers & Modems

Networking equipment

Audio Equipment

Amplifiers and speakers

Smart Home Devices

IoT hubs and controllers

Monitors & Displays

LCD monitors

Industrial Controls

PLC and automation

Medical Devices

Healthcare equipment

Why Choose TQ Power 3. Power Supply AC/DC Adapter

Certified Quality

UL/CUL/FCC/CE/TUV/ROHS certified. Meets international safety standards for global markets.

Fast Delivery

7-10 days lead time for stock items. 15-25 days for OEM/ODM custom orders.

3-Year Warranty

Full quality guarantee. 100% tested before shipment. Defect rate below 0.3%.

Frequently Asked Questions About 19V 3.42A Power Supply 65W AC/DC Adapter

What is the 19V 3.42A Power Supply 65W AC/DC Adapter?

The 19V 3.42A Power Supply 65W AC/DC Adapter is a professional AC/DC power adapter designed for reliable performance. It features 19V DC output at 3.42A (65W), universal AC input (100-240V), and comes with UL/CUL/FCC/CE/TUV/ROHS certifications for global market compliance.

What applications is this 19V 3.42A power supply suitable for?

This 19V 3.42A power supply is ideal for LED strip lights, CCTV cameras, routers, network switches, audio equipment, smart home devices, monitors, industrial controls, and medical devices. It provides stable and efficient power for various 19V DC applications.

What certifications does the 19V 3.42A Power Supply 65W AC/DC Adapter have?

The 19V 3.42A Power Supply 65W AC/DC Adapter is certified with UL/CUL, FCC, CE, TUV, ROHS, UKCA, RCM, BIS, and CCC. These certifications ensure compliance with international safety and electromagnetic compatibility standards for global markets including North America, Europe, Australia, and Asia.

What is the MOQ and lead time?

The minimum order quantity (MOQ) is 100 pieces. Lead time is 7-10 days for stock items and 15-25 days for OEM/ODM custom orders. We offer factory direct pricing with competitive costs for bulk orders. Contact us for volume discounts.

What warranty do you offer?

We provide a 3-year warranty for the 19V 3.42A Power Supply 65W AC/DC Adapter. All units are 100% tested before shipment with a defect rate below 0.3%. Our quality guarantee ensures reliable performance and customer satisfaction. We also offer after-sales technical support.

Interested in This Product?

Contact our team for pricing, samples, and custom specifications