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Self-heating battery that automatically adjusts its heat setting

  • US 20060012342A1
  • Filed: 07/11/2005
  • Published: 01/19/2006
  • Est. Priority Date: 07/17/2002
  • Status: Abandoned Application
First Claim
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1. A self-heating battery comprising:

  • a battery;

    a heating element operatively connected to the battery for heating the battery;

    a temperature sensor for determining the temperature of the battery;

    a switch operatively connected to said heating element and temperature sensor and responsive to said temperature sensor for switching on the heating element and raising the temperature of the battery to allow the battery to deliver its rated capacity when a sensed temperature of the battery is below a temperature where available battery capacity is limited; and

    a load sensing circuit operative with the switch for sensing load demand and activating low and high heat modes based on load demand.

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