#Macbook usb c charger voltage pro

Power Delivery Standards can be explained briefly as follows. This is carried out by sending packets of data between the host and source across the USB communication (CC) lines. To identify the power requirements of any device, the source and host have to communicate their requirements. You can charge a hard drive using your phone over the same port.

But the 18W charger output of the smartphone won’t be enough to meet the power requirements to charge the MacBook.Ī unique feature of the Power Delivery feature is that along with fast charging, this USB standard also permits both host and peripheral devices to supply power. The MacBook charger will reduce its wattage to meet the power requirements of the smartphone. which means that you can charge your Google smartphone with your Apple Laptop charger but not vice versa.This allows you the luxury of having to carry only one charger that can be used to charge you two completely different devices. The Google Pixel XL needs a mere 18W charger output.

#Macbook usb c charger voltage pro

The USB Power Delivery has thus become a universal charging standard that allows a wide variety of devices to charge quickly over it.įor example, the MacBook Pro requires a 61W charger output. So it is absolutely safe to charge any USB-C PD device with any USB-C PD charger. This ‘handshake’ refers to the mode of communication between the charger and the device about the amount of power that they can handle and using the right protocol, here it being the USB-C PD.PD stands for Power Delivery. When you plug in your USB Type-C charger, the device will have a small virtual ‘handshake’ with your charger.