Factory Direct 18V 3A 54W Desktop Power Adapter for Electronic Equipment | Guangdong QINX

Designed for reliability and long-term service, the Guangdong QINX 18V 3A desktop power adapter delivers a precise 18V DC output with a maximum power capacity of 54W. Its high-efficiency circuit design ensures stable voltage, reduced ripple, and consistent current delivery, helping protect sensitive electronic equipment during prolonged operation.

The adapter accepts a universal 100–240VAC input, enabling convenient deployment across international markets without additional voltage conversion. Its durable desktop enclosure provides effective heat management while supporting continuous operation in demanding environments.

To satisfy diverse OEM and ODM requirements, Guangdong QINX offers extensive customization services, including output cable length, DC connector selection, housing color, private labeling, logo printing, packaging design, and electrical specifications. Multiple international certifications are available to facilitate global product compliance and market entry.

Applications

• Smart POS terminals
• LCD and TFT display equipment
• Industrial HMI panels
• Network storage devices (NAS)
• AI edge computing devices
• Wireless communication terminals
• Intelligent access control systems
• Digital broadcasting equipment
• Laboratory electronic instruments
• Embedded control systems

Connector Options

A variety of connector configurations are available, including:

• 5.5×2.1mm DC barrel plug
• 5.5×2.5mm DC barrel plug
• 3.5×1.35mm connector
• 4.0×1.7mm connector
• 4.8×1.7mm connector
• 6.5×4.4mm center-pin connector
• USB Type-C fixed-voltage connector
• GX16 aviation connector
• Mini XLR connector
• XT30 connector
• Anderson Powerpole connector
• JST connector
• Molex connector
• Customized cable and connector assemblies

Safety Design

Designed with multiple protection functions to ensure reliable and secure operation.

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

Certifications

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