User Manual for Goobay 79620 / 79621 USB-C PD GaN Dual Fast Charger
Quick guide for the Goobay 79620 and 79621 USB-C PD GaN Dual Fast Charger. Includes setup instructions, safety warnings, technical specifications, and maintenance tips.
Quick answers from the manual
Quick answer
- The Goobay 79620/79621 is a dual-port USB fast charger (USB-C PD and USB-A QC). It has no power switch and should be plugged into an easily accessible outlet. p. 1, 2
Key actions
- Connect your device to the charger using a USB cable, then plug the charger into an electrical outlet. p. 2, 3
Maintenance and reset
- Clean only with a dry and soft cloth. Do not use detergents or chemicals. p. 2, 3
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Input | 100-240 V, 50/60 Hz, 0.5 A | Standard AC input range. | p. 1 |
Where to find it in the PDF
- Technical Data and Overview p. 1
- Safety and Operation p. 2, 3
Table of contents
Quick guide from the manual
The Goobay 79620 and 79621 are dual-port USB fast chargers featuring both USB-C PD (Power Delivery) and USB-A QC (Quick Charge) ports. The device does not have a power switch and must be connected to an easily accessible wall outlet to allow for quick disconnection in an emergency.
Product Description
This product is a compact USB fast charger designed for charging and powering small mobile devices. It supports the USB-PD 3.0 and USB-QC standards.
Safety Instructions
- Indoor use only: The product is intended for use in dry indoor environments.
- No power switch: Always plug into an easily accessible outlet.
- Emergency disconnection: In case of emergency, during thunderstorms, or after use, pull the plug directly from the housing.
- Do not open: Never open the housing or modify the product.
- Avoid damage: Do not short-circuit connectors. Keep away from extreme heat, cold, moisture, direct sunlight, microwaves, vibrations, and mechanical pressure.
- Not a toy: Keep out of reach of children.
- Defective devices: Do not use if defective; disconnect immediately and prevent further use.
Connection and Operation

- Connect your mobile device to the charger using a compatible USB charging cable (not included).
- Plug the charger into an electrical outlet.
- Disconnect all connections after use.
Maintenance and Care
The product is maintenance-free.
- Clean only with a dry and soft cloth.
- Do not use detergents or chemicals.
- Store in a cool, dry, and dust-protected place when not in use.
Disposal
According to the European WEEE directive, electrical and electronic equipment must not be disposed of with consumer waste. Components must be recycled or disposed of separately to prevent environmental damage. Return the device to the manufacturer, dealer, or public collection points at the end of its service life.
Manufacturer information
Goobay
Practical help
Common problems
Ensure the charger is firmly plugged into the wall outlet and the USB cable is securely connected to both the charger and your device.
It is normal for the charger to become warm during operation. Ensure it is not covered and has adequate ventilation.
Before use
- Check the package for completeness and damage.
- Verify that your mobile device is compatible with the charger's output specifications.
- Ensure the wall outlet is easily accessible.
Images and diagrams
- 2: USB-C PD socket
- 3: USB-A QC socket
Model compatibility
- Supports USB-PD 3.0 and USB-QC standards.
- USB charging cables are not included.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.