Method and apparatus for supervising battery energy level

Details Method and apparatus for supervising battery energy level Method and apparatus for supervising battery energy level

H - Electricity

02

J

320/12

H02J 7/00 (2006.01)

Patent

CA 1113541

METHOD AND APPARATUS FOR SUPERVISING BATTERY ENERGY LEVEL Abstract of the Disclosure Apparatus for supervising the energy level of a battery is characterized by circuitry for periodically loading the battery, monitoring the change in voltage across the battery from the condition prior to loading to during loading, and generating a signal whenever the change in voltage is at least equal to a predetermined magnitude. In one embodi- ment the apparatus is used with a fire detector powered by the battery, and the signal operates an alarm to indicate impending battery failure.

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