When I haul my 27-inch desktop monitor into the garage to film fun gadget videos… or want to play Japanese SNES games with friends… or lose the AC adapter for my old external hard disk… I can now power them with a USB battery instead.
None of them came with USB-C ports; the entire USB protocol was barely a twinkle in its creator's eye when Nintendo shipped the Super Famicom in 1990! But a tiny programmable dongle, from a company called Werewolf, can transform old power ports to accept USB-C electricity. I'm so impressed, I just bought a second kit for a friend's birthday.
With these dongles, there's no surgery required to add USB-C. You …
