AC Adapter - Powerful and enabling fast and safe charging, the high power of 60W is sufficient for charging larger devices including a Macbook and other USB-C laptops, for proper PD charging function USB-C a PD cable (included) is needed , output: 60W: 5V/9V/15V/20V - 3A PD 3.0 protocol, 1x USB-C PD 30W, Xtorm APM chip, which automatically optimises voltage