Battery charging unit

Details Battery charging unit Battery charging unit

1991-10-25

1995-04-25

Stephan, Steven L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

H01M 1044, H01M 1046

Patent

active

054102375

ABSTRACT:
A battery charging unit is disclosed for use in connection with a rechargeable, battery-powered device, such as a flashlight, of the type having a contact-foot that includes at least two contacts connected to the battery terminals and an asymmetrical end-profile. The battery charging unit has a receptacle that includes an asymmetrical aperture that corresponds to the end-profile of the contact-foot to ensure that proper electrical polarity is maintained between the charging unit and the contact-foot. The receptacle also includes a retractable barrier and retaining walls that are formed to ensure that the contact-foot is retained in the receptacle regardless of the orientation of the charging unit.

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