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Battery management system for determining battery charge sufficiency for a task

  • US 7,595,642 B2
  • Filed: 02/01/2006
  • Issued: 09/29/2009
  • Est. Priority Date: 02/01/2006
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • determining an actual charge for a battery of an electronic device to be powered by the battery;

    estimating a power consumption requirement for a task to be performed by the electronic device based on a weighted average of a plurality of historical data points regarding actual power consumption of the electronic device for completing the task, wherein a weight factor assigned to each of the historical data points is inversely correlated to an age of the historical data point;

    determining whether the actual charge for the battery is sufficient for the estimated power consumption; and

    if it is determined that the actual charge for the battery is not sufficient, providing a warning of insufficient battery charge.

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