Dynamic Management of Multiple Device Power Consumption

Abstract

A method, apparatus, and system for dynamic management of multiple device power consumption is disclosed. One or more battery-powered devices may be connected to a power supply for charging. A first battery-powered device may determine an amount of power stored in a power supply. A first power consumption profile of the first battery-powered device and a second power consumption profile of a second battery-powered device may be determined. The first and second battery-powered devices may be electrically connected to the power supply. Based at least on the first and second power consumption profiles, the power stored in the power supply may be distributed to the first and second battery-powered devices according to a power distribution ratio such that a first projected battery depletion time of the first battery-powered device substantially coincides with a second projected battery depletion time of the second battery-powered device.

What is claimed is: 
     
         1 . A method comprising:
 determining, by a first battery-powered device electrically connected to a power supply, an amount of power stored in the power supply;   determining a first power consumption profile of the first battery-powered device and determining a second power consumption profile of a second battery-powered device electrically connected to the power supply;   based on the first power consumption profile, the second power consumption profile, and the amount of the power stored in the power supply, determining, a power distribution ratio of the power supply to the first battery-powered device and the second battery-powered device such that a first projected battery depletion time of the first battery-powered device substantially coincides with a second projected battery depletion time of the second battery-powered device; and   causing, by the first battery-powered device, distribution of the power stored in the power supply to the first battery-powered device and the second battery-powered device according to the power distribution ratio.   
     
     
         2 . The method of  claim 1 , wherein the power supply is at least one of a charger, a power bank, or an uninterruptible power supply (UPS). 
     
     
         3 . The method of  claim 1 , wherein the power supply comprises a battery power source. 
     
     
         4 . The method of  claim 1 , wherein the first battery-powered device is a portable computing device and the power supply is a battery inside the portable computing device, and
 wherein the second battery-powered device is connected to the first battery-powered device via a power cable.   
     
     
         5 . The method of  claim 1 , wherein the determining the first power consumption profile and the determining the second power consumption profile comprise receiving the first power consumption profile and the second power consumption profile from via a user input or from a server. 
     
     
         6 . The method of  claim 1 , wherein each of the first power consumption profile and the second power consumption profile comprises at least one of a battery capacity, a state of charge, a power consumption rate, a battery charging rate, or a user behavior. 
     
     
         7 . The method of  claim 1 , wherein the determining the power distribution ratio comprises determining the power distribution ratio such that the first projected battery depletion time is within a threshold time difference from the second projected battery depletion time. 
     
     
         8 . The method of  claim 1 , wherein the power distribution ratio indicates a first portion of the power of the power supply relative to a second portion of the power of the power supply, and wherein the first portion is allocated for distribution to the first battery-powered device and the second portion is allocated for distribution to the second battery-powered device. 
     
     
         9 . A method comprising:
 determining, by a computing device:
 a first power consumption profile of a first battery-powered device electrically connected to a power supply, and 
 a second power consumption profile of a second battery-powered device electrically connected to the power supply; 
   determining, based on the first power consumption profile and the second power consumption profile, a power distribution ratio of the power supply to the first battery-powered device and the second battery-powered device such that a first projected battery depletion time of the first battery-powered device substantially coincides with a second projected battery depletion time of the second battery-powered device; and   sending, by the computing device and to the power supply, a command to distribute power to the first battery-powered device and the second battery-powered device according to the power distribution ratio.   
     
     
         10 . The method of  claim 9 , wherein the computing device comprises one of the first battery-powered device, the second battery-powered device, the power supply, or an external device. 
     
     
         11 . The method of  claim 9 , wherein the power supply is at least one of a charger, a power bank, or an uninterruptible power supply (UPS). 
     
     
         12 . The method of  claim 9 , wherein the determining the first power consumption profile and the determining the second power consumption profile comprise receiving the first power consumption profile and the second power consumption profile from via a user input or from a server. 
     
     
         13 . The method of  claim 9 , wherein each of the first power consumption profile and the second power consumption profile comprises at least one of a battery capacity, a state of charge, a power consumption rate, a battery charging rate, or a user behavior. 
     
     
         14 . The method of  claim 9 , wherein the determining the power distribution ratio comprises determining the power distribution ratio such that the first projected battery depletion time is within a threshold time difference from the second projected battery depletion time. 
     
     
         15 . The method of  claim 9 , wherein the power distribution ratio indicates a first portion of power of the power supply relative to a second portion of the power of the power supply, and wherein the first portion is allocated for distribution to the first battery-powered device and the second portion is allocated for distribution to the second battery-powered device. 
     
     
         16 . A computing device comprising:
 a battery;   one or more processors; and   memory storing instructions that, when executed by the one or more processors, cause the computing device to:
 determine an amount of power stored in the battery; 
 determine a first power consumption profile of the computing device and determine a second power consumption profile of another computing device electrically connected to the computing device; 
 based on the first power consumption profile, the second power consumption profile, and the amount of the power stored in the battery, determine a power distribution ratio such that a first projected battery depletion time of the computing device substantially coincides with a second projected battery depletion time of the another computing device; and 
 distribute the power stored in the battery to the computing device and the another computing device according to the power distribution ratio. 
   
     
     
         17 . The computing device of  claim 16 , wherein the instructions, when executed by the one or more processors, further cause the computing device to receive the first power consumption profile and the second power consumption profile from via a user input or from a server. 
     
     
         18 . The computing device of  claim 16 , wherein each of the first power consumption profile and the second power consumption profile comprises at least one of a battery capacity, a state of charge, a power consumption rate, a battery charging rate, or a user behavior. 
     
     
         19 . The computing device of  claim 16 , wherein the instructions, when executed by the one or more processors, cause the computing device to determine the power distribution ratio such that the first projected battery depletion time is within a threshold time difference from the second projected battery depletion time. 
     
     
         20 . The computing device of  claim 16 , wherein the power distribution ratio indicates a first portion of power stored in the battery relative to a second portion of the power stored in the battery, and wherein the first portion is allocated for distribution to the computing device and the second portion is allocated for distribution to the another computing device.