If you've bought a charger in the last two years you've seen 'GaN' on the box. It's not marketing fluff — gallium nitride is a semiconductor that lets chargers do more in a smaller, cooler package. Here's the short version of why it's the right upgrade.
Same power, half the size
GaN switches at much higher frequencies than silicon, so the components that convert power can be dramatically smaller. The result: a 65W GaN charger that's smaller than the 30W brick that shipped with an old laptop.
Less heat, more reliability
Less energy is wasted as heat, which means the charger runs cooler and can sustain its rated output. A hot charger throttles and shortens its own lifespan; a cool GaN charger just keeps going.
- Check for USB-C Power Delivery (PD) support
- Pick the wattage your biggest device needs (laptop = 45–100W)
- Make sure it has at least 2 ports for phone + buds
- Choose foldable pins for travel
One charger to rule them all
A single 65W GaN charger with two USB-C ports can charge a laptop, a phone and earbuds — that's your whole travel bag solved with one brick.