What Is a GaN Charger, and Is It Worth Buying?

Wall AC passing through GaN switching, transformer and control stages to USB-C output

What is a GaN charger? It is a wall charger that uses gallium nitride power transistors in place of conventional silicon transistors for part of its power conversion. That change can put more output into a smaller case, but the GaN label does not tell you whether a charger will fast-charge your phone or properly … Read more