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Backpack-type power supply

  • US 9,496,536 B2
  • Filed: 08/09/2013
  • Issued: 11/15/2016
  • Est. Priority Date: 08/20/2012
  • Status: Active Grant
First Claim
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1. A backpack-type power supply comprising:

  • a plurality of cell units each configured of a plurality of secondary battery cells connected in series;

    a case configured to accommodate the plurality of cell units therein, the case having a first contact and a second contact each electrically connected to each of the plurality of cell units;

    a harness attached to the case and adapted to be worn on a user'"'"'s back;

    a first connector configured to electrically connect the first contact and a positive terminal of each cell unit to form a first electrical path therebetween, each first electrical path having a first resistance; and

    a second connector configured to electrically connect the second contact and a negative terminal of each cell unit to form a second electrical path therebetween, each second electrical path having a second resistance, each first electrical path and each second electrical path forming a total electrical path for each of the cell units, the total electrical path for each cell unit having a total resistance, the total resistance of each total electrical path being adjusted such that heat distribution is substantially uniform over the plurality of cell units in the case.

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