Battery pack for transportation and operation

Electricity: battery or capacitor charging or discharging – Cell or battery charger structure – For battery pack

Reexamination Certificate

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Reexamination Certificate

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07397219

ABSTRACT:
A battery pack with a housing and a plurality of cells disposed in the housing and electrically coupled to provide a storage capacity between about 2.17 and 2.67 ampere hours with an equivalent lithium content between about 6.5 and 8.0. The plurality of cells includes a first battery disposed in the housing and including a first plurality of cells connected in series and a second battery disposed in the housing and including a second plurality of cells connected in series, wherein the first battery and the second battery are operable in a storage mode and a use mode.

REFERENCES:
patent: 5898291 (1999-04-01), Hall
patent: 6157165 (2000-12-01), Kinoshita et al.
patent: 2003/0085685 (2003-05-01), Usui et al.
patent: 2004/0257038 (2004-12-01), Johnson et al.
patent: 2004/0263119 (2004-12-01), Meyer et al.
patent: 2005/0007068 (2005-01-01), Johnson et al.
Juzkow, Marc, “Development of a BB-2590/U Rechargeable Lithium-Ion Battery,” Journal of Power Sources 80. pp. 286-292. year 1999.

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