Patent ID: 7753788

Claim:
A video game controller comprising: a processor; a memory coupled to the processor; a first module to support communication over a cable for wired operation; a second module to support communication over a wireless link for wireless operation; a battery to supply power to the processor, the memory, and the second module when the video game controller is in wireless operation; and a power management module to maintain battery life data to be communicated to a host game system, the battery life data including: a total life expectancy of the battery; power used during wireless operation; and an amount of time left before battery supply is depleted; wherein the memory stores an identity of the video game controller; and when transitioning between the first and second modules in order to support communication, the video game controller passes the identity to the host game system for use in maintaining an association between the video game controller and game data of a video game currently being played to facilitate continued play of the video game, wherein the video game controller and the game data are associated with one another both before and after the transition.