USB-C specification revision 2.1 brings up to 240W power delivery –

The USB-IF announcement indicates that the 240W power option is called Extended Power Range (EPR). To handle 240W of power, the USB-IF changed the USB-PD spec. While the amperage will still be configurable up to 5A, the maximum voltage has been increased from 20V (USB-C 2.0 standard) to 48V.

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