Portable power supply

Details Portable power supply Portable power supply

2006-03-21

2009-02-10

Tso, Edward (Department: 2838)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For handheld device

Reexamination Certificate

active

07489105

ABSTRACT:
A portable electrochemical power supply for handheld electronic devices, such as cellular telephones, is disclosed. The power supply includes a housing with an electrical connector, a circuit board, and a removable electrochemical cell disposed therein. The circuit board carries power supply circuitry which receives electrical energy from the electrochemical cell and provides a power supply output for powering an external device.

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