It "can charge" most things but maybe not at full-speed. E.g. only high-quality USB-C cables can charge at a full 85 watts. This is especially annoying with lap

It "can charge" most things but maybe not at full-speed. E.g. only high-quality USB-C cables can charge at a full 85 watts. This is especially annoying with laptops where if you're doing CPU-intensive things you may end up with a dead battery at the end of the day even if you've been plugged in the whole time. So USB-C is nice if all you're doing is charging low-wattage devices. But whenever you're doing anything else, all bets are off as to whether your particular (device-a, cable, device-b) combination will work as you'd expect or not.