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Information handling system including a battery that reduces a voltage fluctuation

  • US 7,592,716 B2
  • Filed: 08/10/2004
  • Issued: 09/22/2009
  • Est. Priority Date: 07/29/2003
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • supplying power from a power adapter to an information handling system via a power rail, to simultaneously provide power to operate the information handling system and power to charge a battery pack coupled to the power rail; and

    in response to a sudden voltage fall on the power rail caused by a sudden increase of a system load on the power rail during a normal operating condition, supplementing the power from the power adapter with power from the battery pack, wherein the battery pack includes a cell stack, a charge switch and a discharge switch coupled in series, and wherein the battery pack further includes a battery controller coupled to the power rail, the power adapter, the charge switch, the discharge switch and the cell stack.

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