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BATTERY PACK AND OVER-DISCHARGE PROTECTING METHOD THEREOF

  • US 20100214707A1
  • Filed: 02/22/2010
  • Published: 08/26/2010
  • Est. Priority Date: 02/24/2009
  • Status: Active Grant
First Claim
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1. A battery pack comprising:

  • a first battery stack comprising a plurality of battery cells coupled in series;

    a second battery stack comprising a plurality of battery cells coupled in series, and coupled in parallel with the first battery stack;

    a controller for sensing voltages of the plurality of battery cells of the first battery stack and voltages of the plurality of battery cells of the second battery stack and for outputting a fuse blowing signal when at least one of the sensed voltages is lower than a first reference voltage; and

    a fuse blowing unit for electrically decoupling the first battery stack and the second battery stack from an output terminal of the battery pack in response to the fuse blowing signal from the controller.

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