Apparatus and method for managing power of battery packs in...

Details Apparatus and method for managing power of battery packs in... Apparatus and method for managing power of battery packs in...

2007-03-16

2010-11-23

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Sequential charging or discharging of batteries or cells

C320S125000

Reexamination Certificate

active

07839121

ABSTRACT:
To manage power of battery packs, charging currents and remaining capacities of the battery packs may be detected. An order for charging and discharging the battery packs may be determined based on the charging currents. The battery packs may be charged or discharged in the determined order based on whether an external voltage is detected. The battery packs may be charged using charging voltages with associated currents corresponding to the detected charging currents.

REFERENCES:
patent: 4315162 (1982-02-01), Ferguson
patent: 4737702 (1988-04-01), Koenck
patent: 4849682 (1989-07-01), Bauer et al.
patent: 5583440 (1996-12-01), Bisher
patent: 5874823 (1999-02-01), Suzuki
patent: 5955867 (1999-09-01), Cummings et al.
patent: 6160377 (2000-12-01), Fujii

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