Battery testing apparatus that controls a switch to allow...

Details Battery testing apparatus that controls a switch to allow... Battery testing apparatus that controls a switch to allow...

2007-01-09

2009-12-22

Tso, Edward (Department: 2858)

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

Reexamination Certificate

active

07635983

ABSTRACT:
A battery testing apparatus including battery charger/tester and a controller having battery charge mode and a battery test mode. In the battery charge mode, the controller causes a utility power source to be connected to the battery charger/tester, and the battery charger/tester allows electrical current to flow from the utility power source to the battery. In the battery test mode, the battery charger/tester allows current to flow to the utility power source so as to provide a consistently repeatable power draw from the battery reducing the error in detection of a weakened battery.

REFERENCES:
patent: 6172432 (2001-01-01), Schnackenberg et al.
patent: 6204645 (2001-03-01), Cullen
patent: 6526361 (2003-02-01), Jones et al.
patent: 6983212 (2006-01-01), Burns
patent: 6992487 (2006-01-01), Steinke
patent: 2005/0007074 (2005-01-01), Koster et al.
patent: 2005/0184593 (2005-08-01), Gottlieb et al.
patent: 2006/0038572 (2006-02-01), Philbrook

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