Survivor capacity measuring apparatus for a battery

Details Survivor capacity measuring apparatus for a battery Survivor capacity measuring apparatus for a battery

1998-04-17

2000-07-25

Brown, Glenn W.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

324427, G01N 27416, G01R 3136

Patent

active

060940522

ABSTRACT:
A survivor capacity measuring apparatus for a battery is presented. The apparatus is constructed so as to determine whether or not the battery is deteriorated and indicates the result of this determination to a user. In the apparatus, a data read unit reads the current flowing from the battery to a load and the voltage of the battery. A survivor capacity calculation unit periodically collects the thus read current and voltage, detects the survivor capacity of the battery on the basis of the thus collected current and voltage, integrates the collected current, and determines the deterioration of the battery from a first survivor capacity of the battery before a predetermined amount has been reached and a second survivor capacity of the battery after the predetermined amount has been reached, when the integrated current has reached the predetermined amount.

REFERENCES:
patent: 5648717 (1997-07-01), Uskali
patent: 5744963 (1998-04-01), Arai et al.
patent: 5761072 (1998-06-01), Bardsley, Jr. et al.

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