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Battery condition detection method

  • US 5,864,237 A
  • Filed: 02/21/1997
  • Issued: 01/26/1999
  • Est. Priority Date: 03/07/1994
  • Status: Expired due to Term
First Claim
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1. A battery condition detecting method comprising:

  • setting a current required during standard discharge of a battery as a set current;

    determining a battery voltage when said battery discharges said set current;

    defining battery charge index numbers assuming that a first index number represents a time immediately after said battery discharges from a fullycharged level and a second index number represents a time when unserviceable battery voltage is reached; and

    determining a battery charge index number between said first index number and said second index number based on said battery voltage determined by said battery voltage determining step at a time when said discharge current is said set current.

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