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Method and apparatus for testing a vehicle charge storage system

  • US 5,744,938 A
  • Filed: 07/16/1996
  • Issued: 04/28/1998
  • Est. Priority Date: 07/16/1996
  • Status: Expired due to Fees
First Claim
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1. An apparatus for testing a charge storage system in a vehicle, said apparatus comprising:

  • a measurement circuit for measuring a terminal voltage of a battery in the vehicle, said circuit providing an output which varies in linear relation to the terminal voltage of the battery within an expected range of voltages, wherein said output is provided only when the terminal voltage of the battery exceeds a threshold level;

    a display circuit for indicating at least one charge storage system operating condition based on the terminal voltage of the battery, said display circuit being electrically connected to the output of the measurement circuit; and

    means for electrically connecting said measurement circuit to the battery.

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