Patent ID: 7791179

Claim:
A closed battery package, comprising: one or more battery cells inside the package; one or more semiconductor chips to control the battery operation; a single lead frame, mechanically carrying said semiconductor chips and providing electrical connection to said semiconductor chips, to said battery cells inside the package as well as providing connectors to the outside of said package; some of the leads of said lead frame being preformed into a form, building the battery contacts; some of the leads of said lead frame being preformed into a form, building the external contacts of said battery package; a plastic mold, encapsulating said semiconductor chips and the inner area of said lead frame; said plastic mold forming the supporting structure and the bottom part of said closed battery package; and one or more additional case elements forming the top cover for said closed battery package, enclosing all internal components and connections, including the semiconductor to battery connection, only leaving the essential external connections being exposed outside of said package.