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LITHIUM ION BATTERY PACK

  • US 20110101919A1
  • Filed: 10/29/2010
  • Published: 05/05/2011
  • Est. Priority Date: 10/29/2009
  • Status: Abandoned Application
First Claim
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1. A battery pack comprising:

  • a housing;

    a plurality of lithium ion battery cell groups, each of the battery cell groups comprising a plurality of battery cells configured in parallel, wherein the plurality of battery cell groups are disposed in the housing;

    a plurality of current conducting intercell tabs interconnecting the battery cell groups in series;

    a controller having a voltage sensor, wherein the intercell tabs are coupled to the controller such that the voltage sensor can sense the voltage across each individual battery cell group and wherein the controller, in response to the sensed voltage across each individual battery cell group indicating that the voltage across one of the battery cell groups is higher or lower than a respective upper or lower threshold voltage, affects respective charging or discharging of the battery pack.

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