usbroway
usbroway 100W USB C charger PD3.0 4-port GaN foldable ac adapter
A 100W GaN charger with three USB-C PD 3.0 ports and one USB-A QC 18W port powers four devices simultaneously
- Battery TypeLithium-Ion
- Charge four devices at once with three USB-C ports and one USB-A port
- Each USB-C port delivers up to 100W PD 3.0 for fast laptop charging
- USB-A port provides 18W QC for phones and accessories
- Dynamic power allocation keeps total output under 100W without recalibration
- GaN design is 55% smaller than traditional chargers for travel
Compact GaN charger for multi-device users
This 100W USB-C charger uses GaN technology to deliver high power in a housing that is 55% smaller than traditional adapters. It targets travellers and desk users who need to charge a laptop, phone and accessories from a single wall outlet. The foldable plug makes it easy to pack without snagging on other gear.
PD 3.0 and QC limits with shared 100W budget
Three USB-C ports each support PD 3.0 up to 100W individually, while the USB-A port provides QC 18W. Total output across all ports is capped at 100W, so connecting multiple high-draw devices reduces the power available to each. The charger maintains steady output without renegotiation when devices are added or removed, avoiding the recalibration pauses common on other designs.
Simple plug-in use with power-sharing caveats
No drivers or configuration are required; plug into any AC socket and connect cables. The main practical issue is exceeding the shared 100W limit, which causes dynamic reallocation and slower charging on all ports. Users charging a large laptop plus several peripherals should check combined draw to avoid unexpected throttling.
Highlights
- Charge four devices at once with three USB-C ports and one USB-A port
- Each USB-C port delivers up to 100W PD 3.0 for fast laptop charging
- USB-A port provides 18W QC for phones and accessories
- Dynamic power allocation keeps total output under 100W without recalibration
- GaN design is 55% smaller than traditional chargers for travel
Specifications
| Battery Type | Lithium-Ion |
|---|
Questions about this item
Should I pick this 100W model or a lower-wattage version?
This unit delivers up to 100W total across four ports, with each USB-C port capable of 100W individually and the USB-A port providing 18W.
What does the 100W rating mean when I plug in my laptop and phone together?
The charger allocates power dynamically up to 100W combined. One laptop can draw the full 100W, or multiple devices share it without the charger renegotiating and interrupting charge.
Does the PD 3.0 spec limit what I can charge on the USB-C ports?
Each USB-C port supports PD 3.0 up to 100W, so it negotiates the optimal voltage for laptops, tablets and phones. The USB-A port uses QC for 18W maximum.
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