Download and installation of this PC software is free and 10.0 is the latest version last time we checked. It's lightweight and using it has no noticeable effect on system performance.īattery Monitor is provided under a freeware license on Windows from PC utilities with no restrictions on usage. Overall, the gadget is very easy-to-use and includes several useful customizations. It can be set to play sounds if the battery has reached critical levels. The Battery Monitor gadget includes a few different customizations, namely what type of data is displayed and a couple of graphics-related options along with different types of measurements.īattery Monitor can also be configured to play different sounds when the PC has been plugged in or unplugged. Interestingly enough, it compares observed battery life at the device’s full charge to theoretical battery life at its design capacity.įor example, the most numbers displayed in the screenshot below show that the device managed four hours and forty-six minutes of battery life at its current full charge capacity, but that it would have managed four hours and fifty-eight minutes if the battery was still at its design capacity.A gadget utility displaying battery details like voltage and charge.īattery Monitor is a Windows gadget which displays current information about your battery, assuming you're using a laptop or other portable PC. The “Battery Life Estimates” section displays an estimate of your device’s average battery life for different time periods, based on how you actually used it. Like with the above section, the statistics here go back to when you originally set up Windows on the computer. You can see how your battery’s full charge capacity gradually decreased over time compared to its design capacity. The “Battery Capacity History” section is also interesting. The statistics here go all the way back to when you originally set up Windows on the PC-possibly to when you purchased the device. You can see how much time the device spent on battery power and how much time it spent plugged into a power outlet. The “Usage history” section shows your battery’s usage and duration over time. Both this and the “Recent Usage” section display data for the last three days only. The “Battery usage” section offers a graph that shows how your battery drained over time. The capacity remaining is displayed as both a battery percentage and a number in mWh. You can see when your device started, when it was suspended, and how much battery capacity drained over time. The “Recent Usage” section of your battery report displays the device’s power states over the last three days. Batteries can only handle so many charge cycles, and different batteries are rated for different numbers of charge cycles. Or, a full cycle could be discharge from 100% to 50%, a charge back up to 100%, and then another discharge down to 50%. So, a cycle might be a full discharge from 100% to 0%. A full charge cycle is measured by 100% battery drain. The cycle count number in the “Installed Batteries” section shows you how many charge cycles a battery has been through. RELATED: Debunking Battery Life Myths for Mobile Phones, Tablets, and Laptops That number will decrease over time as the battery chemistry changes. Note: If you have a new device, it may actually have a higher current full charge capacity than its design capacity. Press Windows+X or right-click the Start button (represented by the Windows icon) and choose “PowerShell” from the Power User menu. You just have to run a single command to create it.įirst, open a PowerShell window. The actual battery report you’ll be generating is an easy-to-understand web page file. RELATED: Use PowerCfg in Windows 7 to Evaluate Power Efficiency Generate a Battery Report You can also use powercfg to generate an energy report, which gives you recommendations for ways you can reduce your computer’s energy usage and extend its battery life. We’ll be using PowerShell in this tutorial, but either works just fine. This battery reporting feature is built into the powercfg command, so you’ll have to pop into Windows Terminal, Command Prompt, or PowerShell to run the command. Generate a report to see health information about your laptop’s battery, how its capacity has decreased over time, and other interesting statistics. Windows 10, 11, and previous versions all include a hidden “Battery Report” feature.
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