Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent
1993-02-11
1996-01-16
Regan, Maura K.
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
320 48, G01N 27416, H02J 704
Patent
active
054850908
ABSTRACT:
The cell type of a battery is determined by characterizing the series resistance behavior of various cell types to determine ranges of series resistance values exhibited by batteries of a particular cell type. The series resistance of a battery of unknown cell type is then measured. If the series resistance measurement is determined to be within a range of series resistance values exhibited exclusively by a cell type, the battery is identified as having that cell type. However, for batteries whose series resistance measurements are within a non-exclusive range of series resistance values, a second cell type discharge characteristic such as battery voltage is also characterized to differentiate between the cell types. The second discharge characteristic of these batteries is also measured and used to identify the cell type.
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Hewlett-Packard Corporation
Regan Maura K.
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