Patent ID: 9584041
Date: 2017-02-28
CPC Classifications: H02J,H02M

Claim:
1. An apparatus comprising: a power supply; a first device charging port coupled to the power supply, the first device charging port configured to receive power from the power supply and output power to a first device; a second device charging port coupled to the power supply, the second device charging port configured to receive power from the power supply and output power to a second device; a device charging port monitor coupled to the first device charging port and coupled to the second device charging port, the device charging port monitor configured to detect a number of device charging ports in use; and a cable compensator coupled to the device charging port monitor, the cable compensator configured to select a first cable compensation if one device charging port is in use and configured to select a second cable compensation if two device charging ports are in use, where the first cable compensation is a first voltage value that is different from the second cable compensation which is a second voltage value.