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Methods of charging, equalizing, and controlling Li-based batteries

  • US 20050264263A1
  • Filed: 06/01/2004
  • Published: 12/01/2005
  • Est. Priority Date: 06/01/2004
  • Status: Abandoned Application
First Claim
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1. Method of charging li-based batteries by constant current and then by constant voltage to minimum current, with following operations:

  • a. Measurement of battery ohmic resistance b. Setting of battery overvoltage protection value, and c. Setting of minimum charging current depending on battery ohmic resistance and overvoltage protection.

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