Charger 3MK Hyper GaN 20W QC4+ USB-C fast charger 20 W, GaN, QC4+

3MK Hyper GaN 20W QC4+ is a compact USB-C charger that provides up to 20 W of power using gallium nitride (GaN) technology and supports Qualcomm Quick Charge 4+. The adapter is designed to charge smartphones, tablets and other USB-C devices faster and more efficiently than conventional plastic brick chargers, while taking less space in a bag or on a desk.

Advantages

The GaN-based design reduces size and heat generation while maintaining stable power delivery up to 20 W. Quick Charge 4+ compatibility enables faster charge cycles for supported devices and improves thermal and voltage management during charging. The charger’s single USB-C port simplifies connections and supports a wide range of USB-C powered devices with improved energy efficiency compared with older silicon-based chargers.

Suitable for

• Charging modern smartphones that support USB-C fast charging
• Powering small tablets and e-readers
• Charging wireless earbuds, smartwatches and other small accessories
• Use at home, in the office and while traveling

Key specifications

• Output power: up to 20 W
• Port: USB-C (single)
• Fast charging protocol: Qualcomm Quick Charge 4+ compatible
• Technology: Gallium Nitride (GaN)
• Form factor: compact, travel-friendly
• Typical uses: smartphone, tablet and accessory charging

How to use

Plug the charger into a compatible mains socket, then connect your device using a USB-C to USB-C cable or a USB-C to device-specific cable. The charger will negotiate the appropriate voltage and current with the connected device when Quick Charge 4+ or standard USB-C power negotiation is supported. For best results, use a cable rated for fast charging and ensure the connected device supports the required fast-charge protocol.

Usage recommendations

Place the charger on a flat, well-ventilated surface during operation and avoid covering it with fabrics. Use certified cables and compatible devices to ensure safe and efficient charging. Do not expose the charger to moisture, extreme temperatures or direct sunlight for prolonged periods.