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Method for Ensuring Safe Use of a Battery Pack After Impact

  • US 20080297116A1
  • Filed: 05/13/2008
  • Published: 12/04/2008
  • Est. Priority Date: 05/29/2007
  • Status: Active Grant
First Claim
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1. A battery pack comprising:

  • a battery;

    an impact sensor capable of generating an impact signal in response to a detection of an impact on said battery pack;

    a processor capable of generating impact information based on said impact signal, wherein said processor continues to count a number of charging times to said battery after said impact information has been generated; and

    a memory capable of storing said impact information and said number of charging times, wherein said memory is referred by said processor to deliver a control command to a battery charger so that said battery is charged up to an allowable charge capacity smaller than a full charge capacity after an occurrence of an impact when said battery pack is attached to said battery charger, and said battery is prohibited to be charged when said number of said counted charging times reaches a predetermined number of allowable charging times that is allowed after the generation of said impact information.

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