NON-CHARGING BATTERY BACKUP UNIT (BBU)
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United States of America Patent
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N/A
Issued Date -
Feb 16, 2012
app pub date -
Aug 5, 2011
filing date -
Aug 10, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A battery backup unit (BBU) includes a housing, at least one battery compartment in the housing with an output terminal, a DC input, a DC output, a path from the DC input to the DC output, circuitry for selectively connecting the output terminal to the path, which circuitry includes a switch, and a controller configured to detect a condition of the path and selectively control the switch to connect the output terminal to the path when the condition is detected, the BBU being incapable of charging batteries in the at least one battery compartment. The path from the DC input to the DC output may include a DC/DC step up converter to help maintain a constant output voltage.
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