Automatic battery charger

Details Automatic battery charger Automatic battery charger

1978-02-10

1980-06-10

Hickey, Robert J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 31, 320 32, 320 37, H02J 704

Patent

active

042075130

ABSTRACT:
A battery charger is provided for industrial storage batteries which includes both digital and analog control circuits for controlling the charging voltage to maintain a charging cycle in which the current is initially held to a maximum value until the cell voltage rises to a preset level, after which the cell voltage is maintained constant at this level until a preset minimum current is reached, and the minimum current is then maintained for a fixed period of time. The charger requires no adjustments for ampere-hour rating or for number of cells in the battery, and is capable of charging batteries of any ampere-hour rating over a wide range, without any adjustment.

REFERENCES:
patent: 3217225 (1965-11-01), Gottlieb et al.
patent: 3758839 (1973-09-01), Medlar
patent: 3864617 (1975-02-01), Smith et al.

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