Wall Power Adapter
9V 2A Power Supply 18W AC/DC Adapter
9V 2A (18W) power supply with universal AC input (100-240V). Features 2.1×5.5mm DC connector (Optional), UL/CUL/FCC/CE certified. Ideal for audio equipment, guitar effects pedals, routers, small electronics, and other 9V devices. Compact 74×36×29mm 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 9V 2A Wall Power Adapter is a compact and reliable wall adapter designed for a wide range of electronic devices. With universal AC input (100-240V), it works seamlessly across North America, Europe, Asia, and beyond. The adapter features a standard 2.1/5.5mm DC output connector, making it compatible with audio equipment, guitar effects pedals, routers, small electronics, and many other 9V devices.
| DC Output Voltage | DC Output Rated Current | Body size | DC cable length | DC connector | Standard |
|---|---|---|---|---|---|
| 9V ± 5% | 2A | 74*36*29mm | 1.2m/1.5m (optional) | 5.5×2.1/2.5×12mm (optional) | 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's compact form factor (74*36*29mm) makes it ideal for space-constrained installations. The matte black housing provides excellent heat dissipation while maintaining a professional appearance. The integrated strain relief on the DC cable ensures long-term durability even with frequent plugging and unplugging.
Wide Applications
This 9V power adapter is designed for versatility. It powers guitar effects pedals, audio equipment, wireless routers, network hubs, switches, security systems, and small electronics. The stable 9V output ensures clean power for sensitive electronics.
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
9V 2A Power Supply 18W AC/DC Adapter Specifications
Output Voltage
9V DC
Output Current
2A
Power Rating
18W
Input Voltage
100-240V AC
Certifications
UL/CUL/FCC/CE
Connector Type
5.5×2.1mm / 5.5×2.5mm
Applications for 9V 2A Power Supply 18W 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 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 9V 2A Power Supply 18W AC/DC Adapter
What is the 9V 2A Power Supply 18W AC/DC Adapter?
The 9V 2A Power Supply 18W AC/DC Adapter is a professional AC/DC power adapter designed for reliable performance. It features 9V DC output at 2A (18W), universal AC input (100-240V), and comes with UL/CUL/FCC/CE/TUV/ROHS certifications for global market compliance.
What applications is this 9V 2A power supply suitable for?
This 9V 2A 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 9V DC applications.
What certifications does the 9V 2A Power Supply 18W AC/DC Adapter have?
The 9V 2A Power Supply 18W 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 9V 2A Power Supply 18W 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