Battery charge control device

  • US 6,696,819 B2
  • Filed: 01/08/2002
  • Issued: 02/24/2004
  • Est. Priority Date: 01/08/2002
  • Status: Active Grant
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First Claim
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1. A charge control device for providing a constant charge voltage with temperature compensation to a battery being charged by a constant current charger, comprising:

  • a first electrical connector adapted to couple to a positive terminal of the battery;

    a second electrical connector adapted to couple to a negative terminal of the battery; and

    a current bypass circuit adapted to electrically couple to the positive and negative terminals of the battery through respective first and second electrical connectors, the current bypass circuit including a bypass path for a portion of a charge current from the constant current charger to flow when the positive and negative terminals of the battery are electrically coupled to the constant current charger, thereby maintaining a substantially constant voltage across the battery terminals at a particular temperature.

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