On the 29W adapter, on the other hand, Apple printed two output options: 14.5V x 2.0A with ‘USB PD’ or 5.2V x 2.4A; IOKit exposes 14.8V x 2.0A with USB PD. In both cases, voltage x amperage rounds out ...
The charger has foldable US-style power prongs but also comes with adapters for other power ... 50/60Hz while the output from the three USB ports can provide 5V to 20V with wattages of 45W ...