Battery parameter measurement
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United States of America Patent
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Dec 26, 2000
Grant Date -
N/A
app pub date -
Apr 2, 1998
filing date -
Apr 2, 1998
priority date (Note) -
Expired
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Abstract
A method and system for evaluating lead-acid battery jars in a battery backup or standby system applies, in a stepwise manner, a current load across a group of adjacent jars. Voltage measurements are taken across each jar in the group at various times during the application of the current load. These measurements are utilized to calculate the ohmic resistance, the charge transfer resistance and the double layer capacitance of each jar.
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