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F21-C3(4.2A) Dual Port Type A+A USB Charger (21W Total)

F21-C3(4.2A) Dual Port Type A+A USB Charger (21W Total)

  • Dual USB Type A ports with a total 21W DC output
  • Each port supports up to 10.5W (5V/2.1A) for fast simultaneous charging
  • Input voltage range: 100–240V AC, 50–60Hz
  • High energy conversion efficiency (≥83%)
  • Stable 5V DC output with 4.2A combined current
  • Ultra-low no-load power consumption (≤0.10W)
  •  Voltage tolerance maintained within ±5%
  • Standard 45 × 45mm modular design
  • Constructed with durable, flame-retardant PC material
  • Screw terminals for reliable and quick installation
  • Designed for a wide range of environmental conditions

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The F21-C3(4.2A) USB Charger by SINOAMIGO Electric is a powerful dual-port charging module designed to deliver fast and efficient charging through two USB Type A ports. Supporting up to 21W total output (10.5W per port), it is capable of charging two high-demand devices simultaneously. With a broad AC input range of 100–240V and advanced internal design, it ensures high conversion efficiency (≥83%) and stable voltage output within a ±5% tolerance. Its compact 45 × 45mm modular size and flame-retardant PC housing make it ideal for integration in modern wall plates, desks, and hospitality systems. Whether for residential, office, or commercial use, the F21-C3(4.2A) combines reliability, safety, and user convenience.
Specifications:
  • Product Model: F21-C3(4.2A)
  • USB Output Ports: 2 × Type A
  • USB Output Voltage: DC 5.0V
  • USB Output Current: Max 4.2A (2.1A per port)
  • Total Output Power: 21W (10.5W per port)
  • Output Voltage Tolerance: ±5%
  • No-load Power Consumption: ≤0.10W
  • Input Voltage: 100–240V AC, 50–60Hz
  • Conversion Efficiency: ≥83%
  • Material: PC (Polycarbonate)
  • Dimension: 45 × 45mm
  • Surface Finish: Matte / Glossy
  • Connection Mode: Screw Terminals
  • Working Temperature: -10℃ to +40℃
  • Working Humidity: 20% – 90% RH
  • Storage Temperature: -20℃ to +85℃
  • Storage Humidity: 10% – 95% RH
  • Color Options: White, Black (please confirm if specific)
Typical Applications:
  • High-speed USB charging in residential modules
  • Dual-device support in office and workstation environments
  • Commercial and hospitality settings (e.g., hotels, lounges)
  • Furniture-integrated power solutions
  • Conference rooms and shared workspaces
Packing List:
  • 1 × F21-C3(4.2A) USB Charger Module
  • 1 × User Manual
  • 1 × Packing Box
About Manufacturer:
SINOAMIGO Electric was founded in 2010 by a team of professionals with deep expertise in electrical engineering. Headquartered in China, the company is committed to delivering high-quality, innovative products including Floor Outlet Boxes, Desktop Sockets, and Modular Wiring Accessories. With a strong emphasis on sustainable value, design excellence, and global customer satisfaction, SINOAMIGO has earned a reputation for reliability and innovation in more than a decade of service. Its products are known for integrity, safety, efficiency, and user-centered design.

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