Device for detecting residual capacity of a battery both in load

Details Device for detecting residual capacity of a battery both in load Device for detecting residual capacity of a battery both in load

1991-01-15

1992-06-16

Harvey, Jack B.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

324433, 324426, G01N 27416

Patent

active

051227517

ABSTRACT:
A device for detecting and displaying residual capacity of a battery comprises a comparator comparing detection voltages set to predetermined values and open circuit voltage. The device further contains circuitry to compensate the difference of the open circuit voltage and the closed circuit voltage of the battery. Thus the device can detect the residual capacity of the battery under conditions both with and without the external load.

REFERENCES:
patent: 4020414 (1977-04-01), Paredes
patent: 4316185 (1982-02-01), Watrous et al.
patent: 4521735 (1985-06-01), Kageyama et al.

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