USB-C connectors all look the same, but the chargers and cables behind them are not. Three things decide whether you get fast charging.
Check the watts
Most phones charge at their top speed somewhere between 20 W and 45 W. Tablets often want a little more, and laptops usually need 45 W to 100 W. A charger with more watts than your device needs is safe, because the device only draws what it can use. One 65 W charger can often cover a phone and a laptop.
Look for Power Delivery
USB Power Delivery, or PD, is the standard most modern phones and laptops use to agree on a charging speed. If a charger supports PD, it should work with most USB-C devices. Check your manual for anything that uses its own fast-charging standard.
What GaN means
GaN, or gallium nitride, is a material that lets chargers run cooler and be much smaller. It does not charge your phone faster on its own, but it does mean a powerful charger can fit in your pocket.
Do not forget the cable
A basic USB-C cable carries up to 60 W. For anything above that, such as a powerful laptop, you need a cable rated for 100 W or more. For a phone, any good-quality cable will do.
