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Method for estimating time to full-charge in a rechargeable battery

  • US 20050027465A1
  • Filed: 07/29/2003
  • Published: 02/03/2005
  • Est. Priority Date: 07/29/2003
  • Status: Active Grant
First Claim
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1. A method for determining a time until completion for a charging process associated with a rechargeable battery, the method comprising the steps of:

  • a. providing a charger capable of coupling to the rechargeable battery, the charger comprising a means of processing data capable of identifying the rechargeable battery;

    b. identifying a charging process for the rechargeable battery, the process comprising a plurality of charging states;

    c. determining which of the plurality of charging states is being executed;

    d. calculating a first time to completion for the state being executed;

    e. calculating at least a second time to completion for at least one of the remaining states of the plurality of charging states; and

    f. calculating the time to completion for the charging process by adding the first and the at least a second time to completion.

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