Battery pack and a battery charging/discharging circuit...

Details Battery pack and a battery charging/discharging circuit... Battery pack and a battery charging/discharging circuit...

2005-02-01

2005-02-01

Tso, Edward H. (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S136000

Reexamination Certificate

active

06850039

ABSTRACT:
A battery pack including at least one battery cell; first and second battery selector switches configured to allow selective coupling of the battery cell to a power source or load for charging/discharging the battery cell; and a switch controller. The switch controller closes both of the switches to allow charging/discharging of the battery cell when a minimum charge/discharge current level is reached. A battery charging/discharging circuit including such a battery pack and a method of controlling the charging and discharging a battery cell in a battery pack are also provided.

REFERENCES:
patent: 5789900 (1998-08-01), Hasegawa et al.
patent: 20040021440 (2004-02-01), Pannwitz

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