Alkaline battery charger and method of operating same
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United States of America Patent
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Jun 4, 1996
Issued Date -
N/A
app pub date -
Feb 28, 1994
filing date -
Jan 27, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus and methods for recharging various types of battery cells are enclosed involving alternating periods of charging and discharging of the cells, a reference charge cut-off voltage, a comparator for comparing cell voltage with cut-off voltage, and a circuit for stopping charging activity when cell open circuit voltage is at least a desired minimum voltage. Charge activity is terminated following the achievement of a minimum acceptable state-of-charge so as to limit the total current delivered to the cell in order to prevent cell degradation.
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