Process for detecting remaining capacity of battery

Details Process for detecting remaining capacity of battery Process for detecting remaining capacity of battery

1996-02-20

1997-08-19

Nuzzolillo, M.

Chemistry: electrical current producing apparatus, product, and

With measuring, testing, or indicating means

For charge or liquid level

429 90, 429 93, 524431, H01M 1048

Patent

active

056586825

ABSTRACT:
A maximum output power and a discharged electric power amount from the battery is calculated; a future variation in maximum output power relative to the discharged electric power amount is evaluated, thereby determining a remaining capacity of the battery on the basis of the electric power amount discharged until the maximum output power reaches a preset lowest maximum-output power. Thus, the remaining capacity of the battery can be correctly detected, irrespective of the charged state, the discharge rate, the degree of deterioration of the battery and the like.

REFERENCES:
patent: 4289836 (1981-09-01), Lemelson
patent: 4304823 (1981-12-01), Lemelson
patent: 4390841 (1983-06-01), Martin et al.
patent: 5284719 (1994-02-01), Landau et al.

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