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Electric vehicle with secondary battery power storage system

  • US 6,034,507 A
  • Filed: 08/14/1998
  • Issued: 03/07/2000
  • Est. Priority Date: 12/27/1993
  • Status: Expired
First Claim
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1. An electric vehicle comprising:

  • a secondary battery (3);

    a secondary battery load (1) being connectable to said secondary battery (3); and

    means (7) for determining an available discharge capacity of said secondary battery (3) such that electric power in the secondary battery (3) is discharged when a determined surplus residual electric power of said secondary battery (3) is within a predetermined range, prior to charging of said secondary battery (3).

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