Method of using metal conductive blanks for extending useful bat

Details Method of using metal conductive blanks for extending useful bat Method of using metal conductive blanks for extending useful bat

1999-08-31

2000-06-13

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Cell support for removable cell

For plural cells

429 98, 429100, 429157, 362202, 362208, H01M 210, F21L 700

Patent

active

060747781

ABSTRACT:
A method of extending the useful life of one or more conventional DC batteries in a battery-powered device. The method involves use of at least one dry cell DC battery, at least one metal blank, and a battery-powered apparatus having a battery compartment and an extension housing. At least one dry cell DC battery is placed inside the battery compartment of the battery-powered apparatus. At least one metal blank is then placed in the extension housing for completing an electrical circuit between first and second contacts of the battery-powered device. Using a voltmeter, the voltage of one of the dry cell DC batteries is tested. If the voltage of the dry cell DC battery is below a threshold voltage level required for the battery-powered apparatus, at least one metal blank is then replaced with a partially-charged battery.

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