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Battery end of life determination

  • US 8,598,848 B2
  • Filed: 04/09/2008
  • Issued: 12/03/2013
  • Est. Priority Date: 01/25/2008
  • Status: Active Grant
First Claim
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1. A method for determining an end of life of a battery, comprising:

  • determining a discharge capacity of the battery at a given moment in time;

    determining a discharge capacity at a functional endpoint of the battery; and

    determining a fuel remaining in the battery at the given moment in time as a function of both the discharge capacity at the given moment in time and the discharge capacity of the battery at the functional endpoint of the battery, wherein the determined fuel remaining is indicative of an end of life of the battery.

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