100W USB-C GaN Charger (20V 5A PD) for Laptops and High-Power Devices

The 100W USB-C GaN Charger is a high-efficiency power adapter designed for modern high-power USB-C devices. Built with advanced GaN (Gallium Nitride) technology, it delivers stable and efficient power output up to 100W with support for 20V/5A USB Power Delivery (PD 3.0).

Compared with traditional silicon chargers, this GaN charger offers higher power density, lower heat generation, and a significantly more compact design, making it ideal for both portable use and OEM integration.

Learn more about the differences between GaN and traditional silicon chargers in our detailed guide: “GaN vs Silicon Chargers – Key Differences and How GaN Works”.

It is widely used for high-performance laptops, USB-C docking stations, and industrial electronic devices requiring reliable high-wattage USB-C power delivery.

For more information about real-world use cases of high-power adapters, please refer to our article:
Applications of High Power USB-C Power Adapters in Laptops, Docking Stations, and Industrial Devices”.

Key Feactures

Applications

  • Supports USB-C Power Delivery (PD 3.0) up to 100W
  • Output profile: up to 20V/5A high-current charging
  • Advanced GaN technology for higher efficiency and smaller size
  • Compact and lightweight design for portable applications
  • Intelligent protection: over-voltage, over-current, over-temperature, short circuit
  • High power density with stable thermal performance
  • Wide compatibility with USB-C powered devices
  • OEM/ODM customizable options available
  • High-performance USB-C laptops (MacBook Pro, Dell XPS, Lenovo ThinkPad)
  • USB-C docking stations and Thunderbolt hubs
  • Mini PCs and embedded systems
  • Industrial control and communication equipment
  • Engineering and development workstations
  • High-power portable electronics
  • Office workstation multi-device charging setups
Single Port GaN 100W Charger

Technical Specifications

Input Connector/Plug Type

AU, CN, EU, UK, US

Output Connector

USB C

Rated Power

100W

Output Voltage

20V

Output Current

5A

Model

XJKGaN100WS

Key Technical Advantages

✔ 1. High Power Density GaN Architecture

GaN semiconductor technology significantly reduces switching loss, enabling higher efficiency and compact transformer design.

✔ 2. Stable 20V/5A High Power Output

Provides consistent 100W delivery for demanding devices such as laptops and docking stations without voltage drop under load.

✔ 3. Low Heat Generation Design

Improved thermal efficiency ensures safer operation during long-duration high-load charging scenarios.

✔ 4. Multi-Layer Protection System

Integrated protection against:

  • Over-current
  • Over-voltage
  • Over-temperature
  • Short-circuit

✔ 5. Optimized for USB-C PD Ecosystem

Fully compliant with USB Power Delivery 3.0 standards, ensuring compatibility with mainstream laptops and professional devices.

Safety & Compliance

Safety and regulatory compliance are essential for industrial and medical equipment. Our 120W power adapter platform is designed to support major international standards.

Key compliance features include:

DOE Level VI energy efficiency
Low standby power consumption
EMC and electrical safety compliance
Support for ETL, CE and FCC certifications
Medical-grade design options available upon request

Certification documents and test reports can be provided according to specific project requirements.

Need a certified power adapter for your project?

Our team can provide ETL or medical-grade compliant solutions.

OEM & Customization Options

XJK Power provides flexible OEM and ODM customization services for power adapters to meet different equipment requirements and global market standards.

Customization options include:

• Output voltage and current configuration
• DC connector type and polarity
• Cable length and wire specification
• AC plug type for global markets (US / EU / UK / AU)
• Housing color and branding
• Private label and packaging customization

Our engineering team works closely with customers to ensure electrical compatibility, regulatory compliance, and cost-efficient production for industrial and medical applications.

Certifications

Our power adapters are designed and tested to meet major international safety and regulatory standards. Certified for ETL (USA), CE (Europe), FCC (EMC compliance), and RoHS (environmental safety), these adapters are suitable for professional industrial and medical equipment.

Test reports and certification documents can be provided upon request to support your product compliance verification. For custom OEM projects, XJK Power can ensure that all adapters meet the required regional standards

Frequently Asked Questions

Q1: What devices can use a 100W USB-C GaN charger?

It is suitable for USB-C powered laptops, docking stations, mini PCs, and other high-power devices that support USB Power Delivery up to 100W.


Q2: Is 20V/5A safe for my laptop?

Yes. USB PD devices negotiate voltage and current automatically. The charger only provides 20V/5A when required by the device.


Q3: Do I need a special cable for 100W charging?

Yes. A USB-C cable with E-Marker chip is required to support 5A current for safe 100W charging.


Q4: What is the advantage of GaN technology?

GaN chargers are smaller, more efficient, and generate less heat compared to traditional silicon-based chargers.


Q5: Can this charger be used for MacBook Pro?

Yes, it fully supports MacBook Pro 14-inch and 16-inch models requiring 96W or 100W USB-C charging.


Q6: Do you support OEM/ODM customization?

Yes, we support customization of output profiles, casing design, branding, and certification requirements.

Need Help Selecting the Right Power Adapter?

Our engineering team can help you choose the correct voltage, connector, and certification for your projects.
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