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Battery management system and method

  • US 9,667,065 B2
  • Filed: 08/06/2012
  • Issued: 05/30/2017
  • Est. Priority Date: 10/17/2003
  • Status: Active Grant
First Claim
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1. A method for battery management, the method comprising:

  • monitoring, by a battery management system, a present battery condition of a battery for supplying power to a plurality of subsystems of a mobile communication device, wherein the present battery condition indicates a present operating temperature of the battery, wherein an amount of battery capacity depleted by a subsystem has a relationship to the present operating temperature of the battery;

    determining whether the present operating temperature of the battery falls below a power saving mode enable condition for each respective subsystem of the plurality of subsystems, wherein the power saving mode enable condition is set by a user of a mobile communication device, and wherein a first amount of battery capacity depleted by the subsystem when the present operating temperature of the battery is below the power saving mode enable condition is greater than a second amount of battery capacity depleted by the subsystem when the present operating temperature of the battery is above the power saving mode enable condition; and

    in response to determining that the present operating temperature of the battery falls below the power saving mode enable condition for one of the respective subsystems of the plurality of subsystems, disabling the one of the respective subsystems of the plurality of subsystems without disabling one or more of a remainder of the plurality of subsystems.

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