MiniBatteryLogger
MiniBatteryLogger is a free, open source battery monitoring application for Windows. It runs in the system tray and logs battery usage, charge levels, and estimated time remaining over time so you can monitor battery health and capacity.
battery
monitoring
logging
MiniBatteryLogger: Free Battery Monitoring
A free, open source battery monitoring application for Windows, logging battery usage, charge levels, and estimated time remaining over time to monitor battery health and capacity.
What is MiniBatteryLogger?
MiniBatteryLogger is a free, open source battery monitoring utility for Windows that runs in the system tray.
It continuously monitors the battery on your laptop or tablet and logs key statistics over time like:
- Battery charge level percentage
- Whether the device is plugged in or not
- Estimated battery time remaining
By logging your battery life over weeks and months, MiniBatteryLogger helps you track battery health and capacity degradation. You can easily export the logs to view battery usage patterns and determine when your battery performance drops and may need replacing.
Since MiniBatteryLogger is compact and runs in the background, it places minimal system resource demands. If you want lightweight battery monitoring without a lot of extra functionality, MiniBatteryLogger is a great choice.
The interface shows current battery status and logs in a small window. There are options to tweak the logging frequency and export log data to CSV files. But overall it has a simple, focused set of battery stats compared to more full-featured monitoring utilities.
MiniBatteryLogger is released under the GNU GPLv3 open source license and available for Windows 7 through Windows 11 for free. It's open source code can be found on GitHub.
MiniBatteryLogger Features
Features
- Logs battery usage, charge levels, and estimated time remaining
- Runs in the system tray
- Open source and free
- Works on Windows
Pricing
- Open Source
Pros
Free and open source
Lightweight and runs in the background
Can log battery info over time to monitor health and capacity
Cons
Windows only
Basic features compared to paid battery apps
May need technical skills to setup and use logs
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