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by RL_Quine 2210 days ago
I have a crate of probably 30-40 different power supplies. Almost no two are alike, there's 5v, 5.1v, 19v, 32v, 19v, at every amperage from .3 to 30. They all have different sizes of plug, different polarity, different shapes.

Conversely, I can walk around my apartment and charger my thinkpad from any of about 20 different USBC supplies. I can charge my phone in the car, or my laptop from the USBC output. There's a swathe of batteries on the mantle, all of which can charge my phone or my laptop for days or a week depending which size I pick up.