Battery tester capable of predicting a discharge voltage/discharge current of a battery
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United States of America Patent
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Jul 25, 2006
Grant Date -
Mar 11, 2004
app pub date -
Sep 3, 2003
filing date -
Sep 5, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus is provided for determining how a vehicle battery would perform when used to start a vehicle. A discharge voltage/current of the battery is predicted as a function of a battery dynamic parameter, an open circuit voltage of the battery, a battery temperature and a fixed current/voltage value at which the battery is to be discharged. This discharge voltage/current value is compared to a minimum starting voltage/current required to start the vehicle in which the battery is employed and an output indicative of a starting capability of the battery is provided.
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