Patent ID: 7489105

Claim:
A portable electrochemical power supply, comprising: (a) a housing having an interior surface and an exterior surface, wherein said housing comprises at least two sections joined to one another, and wherein the housing includes a cavity adapted to removably receive an electrochemical cell; (b) an electrical connector disposed through said housing, said connector having a first end accessible from said exterior surface; (c) a circuit board disposed within said housing, said circuit board in electrical connection with both the electrochemical cell and the connector, said circuit board receiving an input voltage from said cell less than 1.90V and providing an output voltage through said connector greater than 3.00V; wherein said two sections comprise a first section and a second section, wherein said first section comprises said connector and defines a first end of said housing, wherein said second section is tubularly shaped and includes an open end and a closed end, and wherein said first section is removably joined to the open end of said second section.