111W USB C Power Delivery Charger, 5 Ports USB Type C AC Power Adapter with 87W PD Charger Port, 4 USB Charger Port (Total 24W) and UL Standard Power Cord for MacBook Pro, Google Pixel 2

hello there i'm gary sims from android authority now back in the day the power that came out of your USB port was really quite simple it was running at 5 volts it gave out naught point 5 amps which means it gave you 2.5 watts of power and that was that however things have moved on significantly since then especially once you include USB power delivery so the question for us today is what is USB power delivery and how does it work well let me explain okay first of all let's get some terminology out of the way when we're talking about power we're talking about is watts and you calculate the Watts by multiplying the amps by the voltage so as I said just a few moments ago USB originally was five volts at naught point five amps so 5 times by naught point five half of five is 2.5 watts now the idea behind USB power delivery is a system where you can get up to hundred watts so from two point 5