Battery pack charger and tester

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries

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Details

320 48, 340636, H02J 700, G01N 2742

Patent

active

041479696

ABSTRACT:
A charging stand for a rechargeable battery pack having a receptacle for receiving a battery pack to be charged and/or tested and having indicator means for providing a visual indication of the condition of the battery pack. The charging stand is adapted to be connected to the output of a standard AC to DC converter and includes a circuitry for applying a charging current to the battery pack as well as sensing and indicating that charging is in progress and that the battery potential is low or fully charged. A manually operated switch is also provided to permit the testing of the condition of a battery pack. When the pack to be tested is inserted into the receptacle in the test stand and the switch is operated, a battery, which is partially discharged, will result in a "low" indication being given, but if fully charged, a "high" indication will result.

REFERENCES:
patent: 3209230 (1965-09-01), Mas
patent: 3579075 (1971-05-01), Floyd
patent: 3663939 (1972-05-01), Olsson
patent: 3696283 (1971-10-01), Ackley
patent: 3735232 (1973-05-01), Fister
patent: 3746961 (1973-07-01), Dobie
patent: 3890555 (1975-06-01), Nelson et al.
patent: 3974441 (1976-08-01), Van den Haak
patent: 4006396 (1977-02-01), Bogut
Electronic Design, vol. 19, Sep. 13, 1974, Moss, p. 176, "Voltage Monitor".

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