Discriminating charger and compatible battery

Details Discriminating charger and compatible battery Discriminating charger and compatible battery

H - Electricity

01

M

H01M 2/00 (2006.01) H01M 2/02 (2006.01) H01M 2/30 (2006.01) H02J 7/00 (2006.01)

Patent

CA 2109480

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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