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METHOD AND APPARATUS FOR DETERMINING A CAPACITY OF A BATTERY

  • US 20140077815A1
  • Filed: 09/18/2012
  • Published: 03/20/2014
  • Est. Priority Date: 09/18/2012
  • Status: Active Grant
First Claim
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1. A method for accurately estimating a capacity of a battery, comprising:

  • charging the battery from an initial state to a rest point prior to reaching a fully charged state;

    interrupting the charging process to allow the battery to relax to a resting voltage;

    measuring the resting voltage;

    resuming the charging process toward the fully charged state; and

    estimating the capacity of the battery based at least on the resting voltage.

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