Lamp base with upgradeable recharging port and method

Abstract

A lamp base having an electrical device recharging receptacle configured to receive a plug from a recharging device for a portable rechargeable electronic device. The receptacle is configured as a standard automobile cigarette lighter receptacle. The receptacle includes standard cigarette lighter receptacle electrical contacts that are connected to a voltage and current conversion circuit for receiving standard household voltage and converting it into standard automotive voltage and current. An adapter receptacle is provided in the lamp base with securable replacement electrical and mechanical connection mechanism, wherein the conversion circuit provides a voltage and current to the adapter receptacle. A replaceably securable USB adapter plug comprising a second conversion circuit for converting the voltage and current provided to the adapter receptacle into a standard USB voltage and current. The replaceably securable USB adapter plug may be electrically and mechanically disconnected and replaced with an upgraded replaceably securable USB adapter plug having a third conversion circuit to convert the voltage and current provided to a different USB voltage and current.