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    Generate Battery Usage Report in Windows 10

    Generate Battery Usage Report in Windows 10

    How to Generate Battery Usage Report in Windows 10
    Published by Category: Performance & Maintenance
    20 Sep 2017
    Designer Media Ltd

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    Posts: 25,773

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    How to Generate Battery Usage Report in Windows 10


    information   Information
    A battery usage report will help you know more about the usage, health, and life estimates characteristics of your PC's battery over the lifetime of the system.

    This tutorial will show you how to generate a detailed battery usage report for your Windows 10 PC (ex: laptop, Surface, or tablet) that runs on a battery.




    Here's How:

    1. Open a command prompt.

    2. Type the command below to have the battery report as a .html (recommended) or .xml file, and press Enter. (see screenshot below)

    (For .html file.)
    powercfg /batteryreport /output %USERPROFILE%\Desktop\battery_report.html /Duration days

    OR

    (For .xml file)
    powercfg /batteryreport /output %USERPROFILE%\Desktop\battery_report.xml /XML /Duration days

    Note   Note
    Substitute days in the commands above with a number 1 to 14 to specify the number of days you want to analyze for the report.

    Click image for larger version. 

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    3. Double click/tap on the say battery_report.html file on your desktop to open and see your battery usage report in your default web browser (ex: Internet Explorer).

    4. This is a copy of my laptop's battery usage report from a battery_report.html file viewed in Internet Explorer as an example of what is reported. (see screenshots below)


    The top of the battery usage report will give you general information about your PC as well as if your PC supports connected standby or not.

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    The Installed batteries section below gives you detailed information about the battery including the name, serial number, and manufacturer.
    • Chemistry = Usually will be LION for Lithium-ion battery.
    • Design Capacity = The amount of charge that the battery was designed to hold in mWh (milliwatt hours).
    • Full Charge Capacity = The amount of charge that the battery will actually hold.
    • Cycle Count = The number of times that the battery has used up 100% of its charge and then recharged, or the result of discharging to 50%, charging to full, then discharging to 50% again. Batteries have a limited amount of cycles to work through before they are considered consumed.

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    The Recent usage section below lists the power states (active or suspended) that your system has gone through over the last specified days (ex: 3 days). You will also see if the power "source" was AC or battery, and the remaining capacity shown as a percentage and mWh.

    Click image for larger version. 

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    The Battery usage section below shows you the date and time in a chart and table for each instance when the battery was drained over the last specified days (ex: 3 days).

    Click image for larger version. 

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    The Usage history section below show you the history of system usage on AC and battery power.

    Click image for larger version. 

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    The Battery capacity history section below shows you the charge capacity history of the system's batteries. It compares the "Full Charge Capacity" with the "Design Capacity" over a period of time.

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    The Battery life estimates section below will help indicate how long you can expect the battery to last at a "full charge capacity" and at "design capacity" based on the observed drains.

    Click image for larger version. 

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    That's it,
    Shawn


  1.    25 Sep 2015 #1
    Join Date : Feb 2015
    Bamberg Germany
    Posts : 18,020
    Win10 Pro, Win10 Pro N, Win10 Home, Win10 Pro Insider Fast Ring, Windows 8.1 Pro, Ubuntu

    A cool "hidden" tool. I just tried it on my laptop using powercfg /batteryreport. My laptop is plugged in 24/7(used to be a desktop replacement, now just a backup/test machine) for the last 5 years. I just generated a report out of curiosity:

    Code:
    Battery report
    
    
    COMPUTER NAME CLIFFSLAPTOP
    SYSTEM PRODUCT NAME ASUSTeK Computer Inc. K54C
    BIOS K54C.210 10/23/2012
    OS BUILD 10240.16463.amd64fre.th1.150819-1946
    PLATFORM ROLE Mobile
    CONNECTED STANDBY Not supported
    REPORT TIME 2015-09-25 12:24:38
    Installed batteries Information about each currently installed battery
    BATTERY 1
    NAME K53--27
    MANUFACTURER ASUSTek
    SERIAL NUMBER -
    CHEMISTRY LIon
    DESIGN CAPACITY 37,800 mWh
    FULL CHARGE CAPACITY 35,672 mWh
    CYCLE COUNT -
    Recent usage Power states over the last 3 days
    START TIME STATE SOURCE CAPACITY REMAINING
    2015-09-25 12:18:52 Active AC 100 % 35,672 mWh
    12:24:00 Report generated AC 100 % 35,672 mWh
    Battery usage Battery drains over the last 3 days
    START TIME STATE DURATION ENERGY DRAINED
    - - - - -
    Usage history History of system usage on AC and battery
    BATTERY DURATION AC DURATION
    PERIOD ACTIVE CONNECTED STANDBY ACTIVE CONNECTED STANDBY
    2015-08-15 - 2015-08-22 - - 592633:56:21 -
    2015-08-22 - 2015-08-29 - - 3:31:51 -
    2015-08-29 - 2015-09-05 - - 6:13:14 -
    2015-09-05 - 2015-09-12 - - - -
    2015-09-13 - - - -
    2015-09-14 - - - -
    2015-09-15 - - 0:55:42 -
    2015-09-16 - - 0:16:32 -
    2015-09-17 - - 0:56:16 -
    2015-09-18 - - 0:16:51 -
    2015-09-19 - - 0:45:33 -
    2015-09-20 - - - -
    2015-09-21 - - 0:35:33 -
    2015-09-22 - - - -
    2015-09-23 - - - -
    2015-09-24 - - - -
    Battery capacity history Charge capacity history of the system's batteries
    PERIOD FULL CHARGE CAPACITY DESIGN CAPACITY
    2015-08-15 - 2015-08-22 36,021 mWh 37,800 mWh
    2015-08-22 - 2015-08-29 35,819 mWh 37,800 mWh
    2015-08-29 - 2015-09-05 35,868 mWh 37,800 mWh
    2015-09-05 - 2015-09-12 35,882 mWh 37,800 mWh
    2015-09-13 35,882 mWh 37,800 mWh
    2015-09-14 35,882 mWh 37,800 mWh
    2015-09-15 35,800 mWh 37,800 mWh
    2015-09-16 35,750 mWh 37,800 mWh
    2015-09-17 35,777 mWh 37,800 mWh
    2015-09-18 35,791 mWh 37,800 mWh
    2015-09-19 35,798 mWh 37,800 mWh
    2015-09-20 35,798 mWh 37,800 mWh
    2015-09-21 35,797 mWh 37,800 mWh
    2015-09-22 35,770 mWh 37,800 mWh
    2015-09-23 35,770 mWh 37,800 mWh
    2015-09-24 35,770 mWh 37,800 mWh
    Battery life estimates Battery life estimates based on observed drains
    AT FULL CHARGE AT DESIGN CAPACITY
    PERIOD ACTIVE CONNECTED STANDBY ACTIVE CONNECTED STANDBY
    2015-08-15 - 2015-08-22 - - - -
    2015-08-22 - 2015-08-29 - - - -
    2015-08-29 - 2015-09-05 - - - -
    2015-09-05 - 2015-09-12 - - - -
    2015-09-13 - - - -
    2015-09-14 - - - -
    2015-09-15 - - - -
    2015-09-16 - - - -
    2015-09-17 - - - -
    2015-09-18 - - - -
    2015-09-19 - - - -
    2015-09-20 - - - -
    2015-09-21 - - - -
    2015-09-22 - - - -
    2015-09-23 - - - -
    2015-09-24 - - - -
    Current estimate of battery life based on all observed drains since OS install
    Since OS install - - - -
    People who do use the battery though, should do a report more often than once in 5 years
    Call this post a bump, to get this tut noticed
      My ComputersSystem Spec
  2.    21 Apr 2017 #2
    Join Date : Feb 2016
    Posts : 17
    Windows 10 Home Edition - 64 bit - Version 1703 - OS build 5063.413

    Is there a way to reset this report?

    The reason why I ask, is lately my report is off, like way off. When it used to give me realistic battery life results it was around 10 to 11 hours. Now it's showing 149000 hours!?!?

    Any suggestions or recommendations would be appreciated.

    Cheers!
      My ComputerSystem Spec
  3.    22 Apr 2017 #3
    Join Date : Oct 2013
    Posts : 25,773
    64-bit Windows 10 Pro build 17046
    Thread Starter

    Hello radar,

    That's some great battery life you have there.

    The report is a newly generated report each time it's ran, so there's no need to try and reset it.

    If able, you could see if removing the battery, and pressing the power button while also unplugged from AC to discharge may help the next time you run the report.

    You might also double check to make sure that you have all of the latest drivers installed for your PC and devices to see if that may help.
      My ComputersSystem Spec
  4.    24 Jul 2017 #4
    Join Date : Aug 2015
    Posts : 90
    Windows 10 Pro

    I get this when running powercfg /batteryreport
    Unable to perform operation. An unexpected error (0x10d2) has occurred: The library, drive, or media is empty.

    So one of the files trying to be copied is corrupted?

    Thank you in advance for assistance.
      My ComputerSystem Spec
  5.    24 Jul 2017 #5
    Join Date : Oct 2013
    Posts : 25,773
    64-bit Windows 10 Pro build 17046
    Thread Starter

    Hello dogpark,

    That's a normal error when you run the command without having it outputted to a .html or .xml file.

    You'll just need to run the full command in step 2 instead.
      My ComputersSystem Spec
  6.    24 Jul 2017 #6
    Join Date : Aug 2015
    Posts : 90
    Windows 10 Pro

    Hi Brink,
    Sorry, should have stated that I did run the fully qualified commands in step 2 & they too received same msg.
    Did get powercfg -energy -output energyreport.html to run tho. Gave me some battery info (the ID, chemistry, design capacity) & at the bottom indicates:
    Device Drivers:Analysis Success
    Analysis was successful. No energy efficiency problems were found. No information was returned.

    Thank you
    Last edited by dogpark; 24 Jul 2017 at 16:35.
      My ComputerSystem Spec
  7.    24 Jul 2017 #7
    Join Date : Sep 2014
    DFW Area
    Posts : 440
    Windows 8&10

    You could try running a Sleep Study report:

    powercfg /sleepstudy

    I use this if I need to check what is causing a battery drain. I run it from the desktop as Admin so the report will be placed on the Desktop.
      My ComputerSystem Spec
  8.    24 Jul 2017 #8
    Join Date : Oct 2013
    Posts : 25,773
    64-bit Windows 10 Pro build 17046
    Thread Starter

    Quote Originally Posted by dogpark View Post
    Hi Brink,
    Sorry, should have stated that I did run the fully qualified commands in step 2 & they too received same msg.
    Did get powercfg -energy -output energyreport.html to run tho. Gave me some battery info (the ID, chemistry, design capacity) & at the bottom indicates:
    Device Drivers:Analysis Success
    Analysis was successful. No energy efficiency problems were found. No information was returned.

    Thank you
    Odd. Go ahead and post a screenshot of the command prompt to see if anything may stand out.
      My ComputersSystem Spec
  9.    24 Jul 2017 #9
    Join Date : Aug 2015
    Posts : 90
    Windows 10 Pro

    Quote Originally Posted by Brink View Post
    Odd. Go ahead and post a screenshot of the command prompt to see if anything may stand out.
    Click image for larger version. 

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    Wasn't sure if this was good place to run sfc /scannow, DISM ScanHealth, RestoreHealth but I did anyway. ScanHealth came back with repairable msg, got a bit excited. However after RestoreHealth (successful) still no go with above cmd. The CBS/DISM logs are quite large to browse, no idea what to look for.



    Quote Originally Posted by Saltgrass View Post
    You could try running a Sleep Study report Powercfg /sleepstudy
    Powercfg / sleepstudy reports these over & over for the past three days. Normal I assume.
    Analysis of issues that might cause poor battery life
    System Power State: Active
    System Power State: Standby (Hybrid)
    System Power State: Shutdown
    System Power State: Hibernate

    Thank you
      My ComputerSystem Spec

 
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