Q. 01
Do I still need a travel adapter if all my devices use USB-C?
Yes — USB-C standardizes the cable connector between your device and your charger, not the prongs at the other end of the charger that plug into the wall. Every country still has its own wall-outlet shape (Type A in the US, Type C in continental Europe, Type G in Britain, Type I in Australia). You need a plug adapter to connect your USB-C charger to a foreign outlet.
Q. 02
What wattage GaN charger should I buy for travel?
65W is the practical minimum for a kit that covers phones, tablets, and a 13″ laptop. Step up to 100W if you carry a 16″ MacBook Pro or a gaming handheld. Look for multi-port models (1–2× USB-C PD + 1–2× USB-A) so you can charge several devices from a single wall outlet. Brands like Anker, Ugreen, and Belkin all ship dual-voltage (100–240V) units that work globally with a plug adapter.
Q. 03
Can I use my US GaN charger in Europe?
Yes. Every modern GaN charger is dual-voltage (100–240V) — they're designed for global use. You only need a plug adapter to connect to European outlets, never a voltage converter. Read the charger's spec label to confirm "INPUT 100–240V" before flying.
Q. 04
Will a 20W phone charger work with my USB-C laptop?
It will trickle-charge a laptop very slowly, and won't keep up with active use at all. USB-C PD specifies a charger-device handshake: the laptop requests its full charging wattage, the charger says "I can only deliver 20W," and the laptop accepts the lower amount. A 13″ ultrabook needs 45–65W minimum for proper charging; a 16″ pro laptop needs 96–100W.
Q. 05
Do wireless charging pads work internationally?
Yes. Qi2 and MagSafe pads handle 100–240V automatically via their internal power supply. The charging pad itself needs a plug adapter to connect to a foreign outlet, but the wireless charging side works identically anywhere. Note: wireless charging is slower than wired — best for overnight hotel use, not airport top-ups.
Q. 06
Are airport and airplane USB ports reliable for charging?
Airport gate USB is generally fine — most major hubs have outlets at every gate now, with USB-A and increasingly USB-C. Airplane USB-A ports deliver around 5W (1A at 5V) — slow for any active use, fine only for trickle-top-up. USB-C with PD on the newest aircraft (Lufthansa Allegris, Delta A220, United new 737 MAX, Qatar QSuite economy) can hit 15–60W. Most planes are USB-A only — the practical fix is bringing your own GaN and using the seat AC outlet when available.