Discriminating charger and compatible battery

Details Discriminating charger and compatible battery Discriminating charger and compatible battery

1992-10-29

1995-08-22

Shah, Mukund J.

Chemistry: electrical current producing apparatus, product, and

Terminal protector other than seal through casing

429167, H02J 700, H01M 1046

Patent

active

054439248

ABSTRACT:
A charger for a rechargeable alkaline manganese (RAM) battery has a positive contact which engages against the positive terminal of a compatible battery without making electrical contact with the positive terminal protruding nubbin. A rechargeable battery has an insulating jacket which surrounds the battery side wall but which does not overlap the positive terminal. Hence the charger positive contact may engage against the specially adapted battery and electrical contact, but will not make electrical contact with a conventional battery having a partially insulated positive terminal. Alternatively, the battery positive terminal may be insulated within less than 0.040 inches of the battery perimeter and be charged by protruding positive contacts spaced inwardly from the perimeter by approximately the same amount.

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American National Standard C18.1-1986, pp. 8-9, 47, 55, 61 and 63.

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