Full spec USB C is, but are these to that spec, or are they the rather more common "USB A with a USB C connector" type provision, i.e. 5V only with limited current more like what a typical power bank will deliver?
Are these real USB sockets or are they just mockups?
High power delivery USB has only been around since 2012 (60w) and 240w since 2021 - most USB sockets on trains predate this. Even the class 800s were tendered and designed during this pre-high power delivery era. Personally, I don’t see a reason to not to abandon the 3-pin (which itself is normally heavily limited compared to a standard household 3-pin) and use higher wattage USB-C instead. By the time these trains come on steam virtually all in service mobile devices will be powered by USB C. All Apple Laptops (which the OP specifically mentioned) are already charged via USB-C (I charge my iphone and MacBook Air using the same cable) so this will be folks expectation, and if the designers/engineers do go down a route of providing a very low wattage version will be met by disappointment.
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