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I just look at the bottom of a closed carton first - if there’s a crack it is rare that it didn’t leak

Well, I’m all for universally easy things and a consumer not being stressed, but if we really got to the “I don’t get basic numbers” territory, then go learn some school physics, and maybe that Volts is the pressure in the pipe, Amps is how fast the water flows through it, and Watts is just pressure times flow rate - it’s that simple. Go and fucking learn what is what, there’s enough information in my comment alone.

All devices now have chips that do a handshake with the charger, exchanging information about supported standards and charging using the best common option. So I charge my prohe with a 90W laptop charger, even when it is unable to use the whole wattage