Anker’s Power Generate PD solves that problem: it’s a 30W charger with a fast USB-C port as well as a USB-A port for more mature equipment and units that don’t support fast charging. This can be a significantly cry through the measly 5W that a lot of phone chargers give. https://usbc-block66420.dgbloggers.com/27080462/the-basic-principles-of-ipad-usb-c-charging