Electrical device with bi-level battery state-of-charge indicato

Details Electrical device with bi-level battery state-of-charge indicato Electrical device with bi-level battery state-of-charge indicato

1980-04-28

1981-02-03

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

With measuring, testing, or indicating means

For charge or liquid level

429178, H01M 1048

Patent

active

042489423

ABSTRACT:
An electrical device for use with electric storage batteries has a bi-level battery state-of-charge indicator incorporated therein. The electrical device is shown as a battery cable connector and a battery cable clamp. The built-in indicator provides an indication of the battery state-of-charge when the battery reads a preselected state-of-charge and continues to provide such an indication until the battery has been discharged to a preselected state. The indicator utilizes a light emitting diode to monitor the battery state-of-charge through the use of bi-level voltage comparator circuit.

REFERENCES:
patent: 3460995 (1969-08-01), Webb
patent: 3600234 (1971-08-01), Massie, Jr.
patent: 3956720 (1976-05-01), Vest
patent: 4020243 (1977-04-01), Oldford

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