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Battery equalizer using total string current

  • US 6,801,014 B1
  • Filed: 05/08/2002
  • Issued: 10/05/2004
  • Est. Priority Date: 05/08/2001
  • Status: Expired due to Term
First Claim
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1. A method for charging a plurality of batteries in a battery string to a desired voltage, comprising the steps of:

  • drawing an equal string current from each of the plurality of batteries; and

    redistributing the string current by providing a plurality of secondary charging currents to each of the plurality of batteries, wherein the size of the secondary current applied to a particular battery is inverse to the size of the voltage of the particular battery.

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