I find it hard to tell how much time I have left to work with my notebook when running on battery and always thought it would be nice to have an application that would display the notebook battery status somewhere on screen. BattStatt is a small software that displays the battery status in the system tray when hovering over the icon.
It takes just one look and you see a very accurate estimate of how much time you have left before you need to plug the notebook into a power source. Double-clicking the system tray icon of BattStatt will load the main program window which displays additional valuable information.
I call it "BattStat", and it's a systray application which uses the smart battery support in Windows 7, Vista, XP and 2000 to monitor power usage, battery charge, CPU speed, CPU usage, and power events such as standby/hibernate/resume, battery events, etc. Additionally, it's capable of monitoring CPU temperature (via Intel Core internal sensors, or ACPI thermal sensors), hard drive temperature (if the drive supports it), and even control traditional hard drive APM/AAM/spindown settings, like the Hitachi PowerBooster does. The binary is about 320KB and though it comes with an installer, it requires no special installation, dll's, etc. It can be autorun from the registry with a checkbox. It can run with or without administrator privileges, though certain functions will be disabled without it.
You can compare the current notebook battery capacity with historic information when the notebook was shipped and analyze a graph that displays several important figures such as Battery Life, Charge level and CPU speed. Another excellent feature are the so called power schemes which you can use to quickly make changes to a system's power consumption.
BattStatt provides an additional toolbar that can be placed anywhere on screen displaying various information such as battery left and drain status.
This is an excellent application that can be run from anywhere, no installation is required.
Update: The program has been updated in recent time by the developer to be fully compatible with recent Microsoft operating systems like Windows Vista or windows 7.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.