1. Powercfg Battery Report
The powercfg command is a hidden tool on Windows. You can use it to generate a precise report of your battery history. It includes information about your battery performance and lets you observe the decline in battery capacity that inevitably occurs over time.
To generate a battery report, press Windows Key + X and select Command Prompt. Then type in powercfg /batteryreport. This command saves a battery report in HTML format to
C:\Users\Your_Username\battery-report.html
Open the file in your browser and check the following parameters:
- The difference between Design Capacity and Full Charge Capacity. As batteries wear over time, the full charge capacity will be less than the design capacity.
- Battery capacity drained over the last few days in different power states. Also, check out the battery usage graph.
- Compare the battery life from the time you purchased the laptop and see the trends of Full Charge Capacity in relation to Design Capacity.
- Check the battery’s usage and duration. And the time your computer ran on battery or plugged into the power outlet.
2. BatteryInfoView
Download: BatteryInfoView (Free)
BatteryInfoView is a utility app that gives you comprehensive data about your laptop’s battery. It has two display components. Click View > Show Battery Information to show details like Designed Capacity, Full Charged Capacity, Battery Health, Number of charge/discharge cycles, and more.
Choose View > Show Battery Log shows you a detailed log analysis of power state, percentage of capacity, capacity value, rate, voltage, and event type. A new log line gets added whenever you suspend or resume the computer.
In this way, you can find out the rate at which the battery gets discharged. You can export the battery information to a TXT or CSV file for reference.
- View detailed battery information in a single place.
- You can check the log to observe changes in the battery capacity.
- Check Always on Top to put the app window over others for monitoring the battery.