On Sat, May 16, 2026 at 04:07:01PM -0000, CGS wrote: > On 2026-05-16, Henrik Ahlgren <[email protected]> wrote: > > > > Anyway, today, modern powerful GaN chargers are tiny, so bring your own, > > not just a cable. > > What's a GaN charger?
A switching power supply. The switching transistors are gallium nitride, which allows for higher switching frequencies (at pretty low losses) and thus for smaller inductive components and smaller packages. This makes for surprisingly small power supplies But they'll only help you if you find a mains outlet -- many public transport vehicles and places (rail stations, e.g.) in our area do have USB-A charging sockets but no mains. Which kinda makes sense. Cheers -- t
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