Patent ID: 7573159

Claim:
An electronic system comprising: a power adapter including a housing, a first Universal Serial Bus (USB) connection port, a second USB connection port, and a power port, the housing at least partially enclosing one or more electrical components for converting a first electrical power to a second electrical power, wherein the power port is configured to receive the first electrical power using a power plug located on the housing, wherein the first USB connection port is configured to output the second electrical power based on at least the first electrical power, the second electrical power exceeding incidental USB power, the first USB connection port including a first plurality of data contacts and a plurality of power contacts, the plurality of power contacts being connected to the power port through the one or more electrical components, and wherein the second USB connection port includes a second plurality of data contacts coupled to the first plurality of data contacts in the first USB connection port, such that data can be transferred between the first USB connection port and the second USB connection port.