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This User Manual covers all features, setup, specifications, and troubleshooting for the Satechi 108W USB-C 3-Port GaN Wall Charger (ST-TC108WM).

In the Box

108W USB-C 3-Port GaN Wall Charger, User Manual. (Charging cables not included.)

Specifications

Model: ST-TC108WM
Dimensions: 60 × 120 mm
Total Max Output: 108W
Technology: GaN (Gallium Nitride)
Connector: Built-in foldable wall plug (plugs directly into wall outlet)

Ports:
3× USB-C (USB-C 1, USB-C 2, USB-C 3) — up to 108W total output (shared across ports)

Parts Reference

Parts labeled diagram of the 108W USB-C 3-Port GaN Wall Charger with 3 labeled components.

1. Power Plug — Built-in foldable wall plug. Plugs directly into a standard wall outlet. No power cable required.
2. LED Indicator — Lights up when the charger is powered and in use.
3. USB-C Output (108W Max.) — Three USB-C charging ports (USB-C 1, USB-C 2, USB-C 3). Total maximum output is 108W shared across all connected ports. Connect and charge up to three USB-C devices simultaneously.

Setup

The 108W USB-C 3-Port GaN Wall Charger plugs directly into a wall outlet — no power cable required.

Step 1: Plug the charger into a wall outlet. The LED indicator will light up.
Step 2: Connect your USB-C devices using USB-C cables (sold separately).

Power Distribution

Total maximum output is 108W, shared across all active ports. Power distribution depends on each device's input requirements. The first device connected receives the highest wattage.

*Power distribution varies based on each connected device's input requirements.

Important Notes

Use the original device cable or a certified cable: For the fastest and safest charge, use the cable that came with your device or a certified third-party cable.

Charging cables are not included: Lightning charging cables and USB-C charging cables are not included. Purchase separately.

Keep away from water, liquid, and moisture: Do not use the charger near water or in humid environments.

First device connected receives highest wattage: When multiple devices are connected, the first device connected to the charger receives the higher output wattage.

Safety Instructions

Warning: Fire, electric shock, or damage could occur if the following instructions are not obeyed.

1. Keep away from water, liquids, and moisture.
2. Do not expose to extreme heat or direct sunlight for extended periods.
3. Do not drop or subject to strong impacts.
4. Use only with a compatible power outlet.