I don't trust a random, in-the-wild USB port to provide sane power, so I bring my own charging stuff. :) That said: My travel tends to happen with my own car

I don't trust a random, in-the-wild USB port to provide sane power, so I bring my own charging stuff. :) That said: My travel tends to happen with my own car, and that travel is never international. I can see how a charge-only cable would be beneficial for others.