Battery size changer aid

Details Battery size changer aid Battery size changer aid

1991-08-19

1992-12-15

Stephan, Steven L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 15, 429 96, 429100, H01M 1044

Patent

active

051720426

ABSTRACT:
This invention would temporarily alter the size of a smaller size cell into a next larger size cell, so that smaller cell can be interchangeably used in devices designed for next larger size cell. For example it would allow a size AAA cell to be charged in the same charger that charges AA cells without the added expense of buying a AAA size charger. The size changer aid consists of two hollow tubes. One of the hollow tube is inserted on to the top end of a smaller size cell until all the way such that the positive terminal of the cell is accessible from the end of the tube. The other hollow tube with a conducting button is inserted on the bottom end of the cell. A smaller size cell adorned with these two hollow tube, one at the top end and the other at the bottom end, with the cells positive terminal accessible from the top, and the cell's negative terminal accessible through the bottom via the button, can be inserted inside a commercially available charger's charging space for next larger size battery cell, thereby enabling a size AAA nickel cadmium battery cell to be charged form a charger designed for size AA cells.

REFERENCES:
patent: 4397920 (1983-08-01), Trattner
patent: 4767358 (1988-08-01), Nullmeyer

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