It’s also safer, as gadgets and chargers communicate with each other over the USB cable to confirm the optimal charging power level. This handshaking approach supports voltage steps at 5V ...

Beaverton, OR, USA – May 26, 2021 – The USB Promoter ... defined 5V, 9V, 15V and 20V fixed voltages. A new adjustable voltage mode enabling a range from 15V to one of three maximum voltages (28V, 36V, ...

It’s also safer, as gadgets and chargers communicate with each other over the USB cable to confirm the optimal charging power level. This handshaking approach supports voltage steps at 5V ...