Factory Direct 13.5V 21A 283.5W Desktop Power Adapter with Active PFC & Optional DC Connectors | Guangdong QINX

The Guangdong QINX 13.5V 21A desktop AC/DC power adapter utilizes advanced active PFC technology to enhance power conversion efficiency, improve input power quality, and reduce harmonic interference. With a universal input voltage of 100–240VAC, it delivers a precisely regulated 13.5V DC output with a maximum continuous current of 21A for high-load electronic equipment.

Providing 283.5W of continuous power, this desktop switching power adapter is engineered for mission-critical applications requiring stable voltage, fast dynamic response, and reliable long-term operation. Its optimized circuit architecture minimizes output ripple while improving thermal performance, allowing dependable operation even during prolonged full-load conditions.

Guangdong QINX offers comprehensive OEM and ODM manufacturing services, including customized output parameters, DC connector configurations, cable lengths, enclosure colors, private branding, silk-screen printing, packaging design, and technical documentation. Every adapter undergoes comprehensive performance validation and strict quality inspection before delivery.

Applications

• Industrial control workstations
• Smart factory automation equipment
• Edge AI processing devices
• Industrial Ethernet switches
• Robotics control systems
• Automated optical inspection equipment
• Commercial digital signage
• Security surveillance servers
• Intelligent warehouse management systems
• High-performance embedded computing platforms

Connector Options

A wide selection of output connectors is available, including:

• 5.5×2.1mm
• 5.5×2.5mm
• 6.3×3.0mm
• 6.5×4.4mm
• GX12, GX16, and GX20 aviation connectors
• XLR connectors
• Mini DIN connectors
• Anderson Powerpole connectors
• XT60 / XT90 connectors
• Molex connectors
• JST connectors
• Phoenix terminal blocks
• Waterproof locking connectors
• Custom cable assemblies

Safety Design

Designed with comprehensive electrical protection technologies:

• Active Power Factor Correction (PFC)
• Over-voltage Protection (OVP)
• Over-current Protection (OCP)
• Overload Protection (OLP)
• Over-temperature Protection (OTP)
• Short-circuit Protection (SCP)
• High-efficiency operation with low standby power consumption

Certifications

Available with UL, cUL, CE, FCC, RoHS, UKCA, PSE, SAA, CB, and DOE Level VI certifications for international regulatory compliance and OEM manufacturing requirements.