Rapid battery charger with slow charge mode at a low temperature

Details Rapid battery charger with slow charge mode at a low temperature Rapid battery charger with slow charge mode at a low temperature

1992-11-05

1995-04-25

Peckman, Kristine L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 35, H02J 700

Patent

active

054102383

ABSTRACT:
To enable recharging of a battery under a low temperature circumstance, a rapid battery charger is provided with a rapid charge mode and a slow charge mode which are selectively used depending upon the temperature of the battery. The rapid charge mode is selected when the temperature is above a predetermined value, wherein the battery charger charges the battery with a charging current of more than 5 C, whereas the slow charge mode is selected when the temperature is below the predetermined value, wherein the battery charger charges the battery with a charging current of less than 1 C.

REFERENCES:
patent: 3917990 (1975-11-01), Sherman, Jr.
patent: 4308493 (1981-12-01), Kothe et al.
patent: 4649333 (1987-03-01), Moore
patent: 4670703 (1987-06-01), Williams
patent: 4712055 (1987-12-01), Houser, Jr.

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