Method and apparatus for charging lead acid batteries

Details Method and apparatus for charging lead acid batteries Method and apparatus for charging lead acid batteries

1994-08-04

1997-04-01

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 31, 320 39, H01M 1044

Patent

active

056170050

ABSTRACT:
Battery charger apparatus and method includes a clock to provide timing information and logic to control the charging time of a battery being charged. The logic also controls a discharge time period in which the battery being charged is discharged for a relatively short period of time. After the discharge time, the voltage across the battery terminals is sensed by the logic to determine the state of the charge of the battery. The pulsing of the battery, in which the charging times and discharging times are alternated, and then the sensing of the battery voltage, is controlled by the logic to provide the charging of a battery in the shortest possible time period.

REFERENCES:
patent: 3597673 (1971-08-01), Burkett et al.
patent: 4385269 (1983-05-01), Aspinwall et al.
patent: 4829225 (1989-05-01), Podrazhansky et al.
patent: 5307000 (1994-04-01), Podrazhansky et al.
patent: 5475294 (1995-12-01), Isoda

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