If you’re having issues with your computer automatically waking up when you don’t want it to, you can ask the powercfg command what last caused your computer to wake. Or, it may wake up due to “wake timers” programs set. It may also wake up when a specific device tells it to - for example, when you move a USB mouse. Your computer doesn’t just wake up when you press its power button. RELATED: How to Prevent Your Computer From Waking Up Accidentally I guess it does give some estimate of battery health and battery life under different use conditions.If you see your computer supports “Standby (Connected)”, be sure to run a sleep study report with the below command.Ĭontrol Devices and Timers That Can Wake Your Computer The wrong output comes and goes-I just ignore it.ĭon't know if the information in the report is useful. Probably due to bug(s) in the powercfg utility. Of course 23-24 hours is definitely not right. The one I ran today shows a battery life estimate: Obviously the battery doesn't have that much capacity. I did notice some strange entries in the "Battery capacity history" section, where it says " 187,598 mWh 101,048 mWh". Capacity is similar to what my SP2 shows, though (at full charge) the number fluctuates between ~4000.
With only 5 power cycles, the battery is barely used. It shows battery capacity of 40,078 mWh and "Cycle count" at 5.
Probably the most relevant information is contained in the "Installed batteries" section. Sure looks like the "batteryreport" that I've seen on my SP2! As formatted in your message, it's harder to decipher than viewed in the browser. PERIOD ACTIVECONNECTED STANDBYACTIVECONNECTED STANDBYĬurrent estimate of battery life based on all observed drains since OS install PERIOD FULL CHARGE CAPACITY DESIGN CAPACITYīattery life estimates based on observed drains PERIOD ACTIVE CONNECTED STANDBY ACTIVE CONNECTED STANDBYĬharge capacity history of the system's batteries History of system usage on AC and battery START TIME STATE SOURCE CAPACITY REMAININGĠ9:32:00 Report generated Battery 18 % 7,407 mWh Information about each currently installed battery SYSTEM PRODUCT NAME Microsoft Corporation Surface Pro 2 My original surface never had junk in the report.
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