USB 3.0 stepped power output up to 5V at 0.9A, giving us a more tolerable 4.5W. Some USB 3.0 ports that are designed for charging can supply 5V at 1.5A, or up to 7.5W. Though these numbers still ...

[Paul] recently purchased an inexpensive USB power pack ... Now you can’t just hook up the 22 ohm resistor to a 5V power supply for the sake of keeping it on — that would draw 1.1watts ...

With a growing trend of devices using USB Type-C technology, TRUMPower has released its TMW100CU and TMW100CI wall mount adapter series, which has been approved for the latest medical and ITE ...