Mobile phone battery pack with a power-saving function

Details Mobile phone battery pack with a power-saving function Mobile phone battery pack with a power-saving function

1996-05-30

1997-11-11

Tso, Edward

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 14, 320 39, H01M 1046

Patent

active

056868138

ABSTRACT:
A mobile phone battery pack has a body housing a plurality of rechargeable battery cells and an energy storage device for electrical connection to said mobile phone. A switch connects the energy storage device to the battery cells. A microprocessor-based controller periodically closes the switch to enable charging of the energy storage device by the battery cells and opens the switch to disconnect the battery cells and to enable discharging of the energy storage device to power the mobile phone in a standby mode.

REFERENCES:
patent: 4894765 (1990-01-01), Kahkipuro
patent: 5439756 (1995-08-01), Anani et al.
patent: 5568038 (1996-10-01), Tatsumi

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