Method for balancing battery pack energy levels

DC
  • US 6,271,645 B1
  • Filed: 02/11/2000
  • Issued: 08/07/2001
  • Est. Priority Date: 02/11/2000
  • Status: Expired due to Term
First Claim
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1. A method for balancing energy levels between a first battery group and a second battery group in a battery pack, said first and second battery groups connected across a first current bus and said first battery group further connected across a second current bus, said method comprising the steps of:

  • generating a first state of charge value indicative of a first energy level of said first battery group;

    generating a second state of charge value indicative of a second energy level of said second battery group; and

    , controlling said first energy level responsive to said first state of charge value and said second state of charge value so as to balance the first and second energy levels.

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