Battery charger circuit

  • US 4,390,828 A
  • Filed: 03/17/1982
  • Issued: 06/28/1983
  • Est. Priority Date: 03/17/1982
  • Status: Expired due to Fees
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First Claim
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1. A battery charger comprising:

  • means for generating a charging voltage and current;

    means for electrically connecting said means for generating a charging voltage and current to a battery;

    means for sensing the charge state of said battery; and

    ,means responsive to the charge state of said battery for increasing the charging voltage and current from an initial level to a relatively constant current level to a relatively constant voltage level wherein the current is reduced from the constant current level to zero in proportion to the amount of charge stored in said battery.

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