Battery monitoring system and method

  • US 7,061,246 B2
  • Filed: 02/18/2004
  • Issued: 06/13/2006
  • Est. Priority Date: 12/06/2001
  • Status: Active Grant
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First Claim
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1. A method for predicting the remaining life of a battery for a vehicle comprising:

  • obtaining a value representative of the amount of remaining life for a battery in a new and fully charged state;

    monitoring at least one parameter of the battery during use of the battery;

    obtaining an acceleration factor for the at least one monitored parameter; and

    estimating the amount of life lost from the battery utilizing the acceleration factor;

    whereby the estimation of the amount of life lost utilizes historical information relating to the use of the battery.

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