Battery maintenance system
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United States of America Patent
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Mar 23, 1993
Grant Date -
N/A
app pub date -
Nov 16, 1989
filing date -
Nov 16, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A battery maintenance system for charging, analyzing, discharging and conditioning of a NiCad battery. The system displays voltage and capacity to determine whether or not a NiCad battery has enough capacity to power equipment for an optimal time period. The system charges the battery using a negative delta voltage method of detecting full charge, while also displaying instantaneous battery voltage. The system also analyzes the battery in a charge, discharge and recharge mode of operation, and during the charge mode the instantaneous voltage is displayed. The discharge mode discharges the battery to one volt per cell while displaying voltage and accumulative capacity alternately. The system also conditions batteries by cycling a battery through three cycles of charging, discharging and a subsequent recharge cycle.
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