Factory Direct 18V 4A 72W Desktop Power Adapter for Industrial & Commercial Devices | Guangdong QINX

The Guangdong QINX 18V 4A desktop power adapter delivers a regulated 18V DC output with a maximum power of 72W. Designed with high-efficiency switching technology, it provides excellent load regulation, low ripple noise, and consistent power delivery for electronic devices that require dependable performance under continuous operation.

Its universal input voltage range of 100–240VAC, 50/60Hz enables worldwide compatibility, making it suitable for products sold internationally. The rugged desktop enclosure enhances thermal management while protecting internal components, contributing to long operating life and reliable field performance.

Guangdong QINX offers flexible OEM and ODM manufacturing services, allowing customers to customize output specifications, DC cable length, connector style, enclosure finish, company logo, product labels, user manuals, and retail packaging. Engineering support is also available to help integrate the adapter into specialized electronic equipment.

Applications

• Industrial control cabinets
• Network video recorders (NVR)
• Smart vending machines
• Digital information kiosks
• Intelligent transportation equipment
• Fiber optic communication devices
• Access management systems
• Audio processing equipment
• Portable diagnostic instruments
• Robotics control modules

Connector Options

The adapter can be supplied with numerous output connector configurations, including:

• 5.5×2.1mm DC barrel connector
• 5.5×2.5mm DC barrel connector
• 3.5×1.35mm connector
• 4.0×1.7mm connector
• 4.8×1.7mm connector
• 6.3×3.0mm connector
• 6.5×4.4mm center-pin connector
• GX16 aviation connector
• GX20 aviation connector
• Mini DIN connector
• XT30 connector
• Molex connector
• JST connector
• Phoenix terminal connector
• Customized connector and cable solutions

Safety Design

Manufactured with comprehensive electrical protection systems for stable and secure operation.

• Over Voltage Protection (OVP)
• Over Current Protection (OCP)
• Short Circuit Protection (SCP)
• Over Temperature Protection (OTP)
• Over Power Protection (OPP)
• Surge and Inrush Current Protection

Certifications

Supports UL, cUL, CE, FCC, UKCA, RoHS, PSE, SAA, CB, and DOE Level VI certifications based on customer market requirements.