

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 Voltage | DC Output Rated Current | Body size | DC cable length | AC socket options | Standard |
|---|---|---|---|---|---|
| 19V ± 5% | 3.42A | 115*50*32mm | 1.2m/1.5m (optional) | C6/C8/C14 | UL/CUL FCC CE CB |
| Input Rated Voltage | Input Frequency Range | Input Current | Input Inrush Current | Efficiency | Ripple and Noise |
| 86Vac~264Vac | 47Hz~63Hz | 0.8A (Max) | 50A | 88%, Level VI | ≤120mV |
| Turn On Delay Time | Dielectric Withstand Voltage | Protection | Leakage Current | Operating Temperature | Storage Temperature |
| ≤3S (AC:110V full load) | 3K Vac 1min | OVP, OCP, SCP, OTP | ≤5mA | 0°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.
About TQ Power





Download Specification
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.
Related Products

12V 3A Power Supply 36W Desktop AC/DC Adapter
12V 3A (36W) power supply with universal AC input (100-240V). Features detachable AC power cord with C6/C8/C14 socket (Optional), UL/CUL/FCC/CE certified. Ideal for LED strip lights, CCTV cameras, routers, 3D printers, network switches, and other 12V devices. Compact 101×44×32mm desktop design with OVP, OCP, SCP, OTP protection.

12V 5A Power Supply 60W Desktop AC/DC Adapter
12V 5A (60W) power supply with universal AC input (100-240V). Features 2.1×5.5mm DC connector (Optional), UL/CUL/FCC/CE certified. Ideal for LED strip lights, CCTV cameras, routers, 3D printers, network switches. Compact 115×50×32mm desktop design with OVP, OCP, SCP, OTP protection.

24V 3A Power Supply 72W Desktop AC/DC Adapter
24V 3A (72W) power supply with universal AC input (100-240V). Features 2.1×5.5mm DC connector (Optional), UL/CUL/FCC/CE certified. Ideal for industrial controls, LED lighting, 3D printers, CCTV systems. Compact 115×50×32mm desktop design with OVP, OCP, SCP, OTP protection.

24V 2.5A Power Supply 60W Desktop AC/DC Adapter
24V 2.5A (60W) power supply with universal AC input (100-240V). Features 2.1×5.5mm DC connector (Optional), UL/CUL/FCC/CE certified. Ideal for industrial controls, LED lighting, 3D printers, CCTV systems. Compact 115×50×32mm desktop design with OVP, OCP, SCP, OTP protection.
Interested in This Product?
Contact our team for pricing, samples, and custom specifications
