Battery capacity and usage system
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United States of America Patent
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Mar 21, 2006
Issued Date -
N/A
app pub date -
Jun 21, 2004
filing date -
Aug 7, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A battery capacity and usage system, applied to an electric powered boat. A battery monitor is controlled by a micro-controller which includes a non-volatile memory for storing a lookup table. The lookup table comprises a database of characteristics of various batteries, including a relationship between the capacity and the charged voltage, the driving current and remaining hours of usage. The load of the battery is measured by a hall effect device. By monitoring the current micro-controller calculates the remaining time of the battery is obtained from the lookup table and displays the results on a digital readout installed on dashboard of the electric powered boat.
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