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Interlock Mechanism for a Multiple Battery Pack

  • US 20110111268A1
  • Filed: 11/10/2010
  • Published: 05/12/2011
  • Est. Priority Date: 11/11/2009
  • Status: Active Grant
First Claim
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1. A method of operation in a battery system having multiple battery packs, the method comprising:

  • decoupling an output of a first battery pack from a first load terminal;

    reducing a voltage between an output of a second battery pack and the first load terminal prior to coupling the output of the second battery pack to the first load terminal; and

    coupling the output of the second battery pack to the first load terminal in response to determining that the voltage has been reduced below a predetermined threshold.

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