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Battery charger and charge control system

  • US 6,518,726 B1
  • Filed: 01/18/2002
  • Issued: 02/11/2003
  • Est. Priority Date: 01/18/2002
  • Status: Expired due to Term
First Claim
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1. A battery system for charging a plurality of lithium-ion cells, comprising:

  • charging circuitry adapted to be coupled to said plurality of lithium-ion cells and configured to supply a charge to said plurality of lithium-ion cells to charge each of the plurality of lithium-ion cells to a voltage in a range of about 4.1 volts to about 4.3 volts with a voltage input to the charging circuitry in a range of about 4.1 volts to about 4.5 volts per lithium-ion cell; and

    charge control circuitry coupled to the charging circuitry and operable to manage operation of the charging circuitry.

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