Power adapter QOLTEC 52377 GaN 30W output 5–20V for portable devices

QOLTEC 52377 is a GaN 30W power adapter that provides an adjustable output voltage between 5 and 20 V for charging and powering a wide range of portable devices. The compact charger uses gallium nitride (GaN) technology to reduce size and heat generation while delivering up to 30 watts of power in a small housing. It is designed for everyday use at home, in the office and on the go, offering compatibility with smartphones, tablets, wireless accessories and other small electronics that accept USB power delivery or similar fast-charging profiles.

Advantages

The GaN construction reduces component size and improves thermal efficiency, allowing a higher power density compared with conventional silicon chargers. The adapter supports a wide output voltage range (5–20 V), enabling compatibility with multiple device types and charging standards. Its compact footprint and lower heat output make it convenient for travel and for use in confined spaces without sacrificing charging speed up to 30 W.

Suitable for

• Charging smartphones and compact tablets
• Powering wireless earbuds, smartwatches and other small accessories
• Use at home, office desks and when traveling
• Replacing larger chargers where a 30W output is sufficient

Key specifications

• Maximum output power: 30 W
• Output voltage range: 5–20 V
• Technology: GaN (gallium nitride) for reduced size and heat
• Form factor: compact wall adapter suitable for portable use

How to use

Connect the adapter to a compatible USB cable and plug it into a device that accepts USB power delivery or a supported fast-charging profile. Insert the adapter into a standard mains outlet and allow the device to negotiate the appropriate voltage and current. Monitor device temperature during the first uses; normal operation may produce some warmth on the adapter housing under load.

Recommendations

Use a certified cable compatible with your device and avoid prolonged exposure to high ambient temperatures. For optimal performance, pair the adapter with devices that support USB power delivery or matching fast-charge protocols and do not exceed the 30W power requirement of the connected device.