Compulsory charging and protective circuit for secondary battery after being over discharged
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United States of America Patent
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Jun 13, 2017
Grant Date -
Dec 1, 2016
app pub date -
May 27, 2015
filing date -
May 27, 2015
priority date (Note) -
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Abstract
A compulsory charging and protective circuit for secondary battery after being over discharged is disclosed. The circuit includes a circuit conducting switch, a releasing unit, a triggering unit and a comparing unit. When the secondary battery is over discharged, a temporary electrical connection is provided by the present invention. The loop of the secondary battery and a charger keeps. When the secondary battery recovers from abnormal status, the temporary electrical connection is called off so that the secondary battery can keep normal operation. Thus, when the secondary battery is under over-discharge, it doesn't have to be unloaded for repair to settle the issue. Maintenance costs can be saved.
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