Free battery software for windows

Vista Battery Saver beta 2 is designed as a useful tool for storing up to 70% of your battery via disabling those nice, but greedy Vista features. It is free.

Running in task bar with private work-set of 5.5M and 0% CPU it will do all work for you, by enabling and disabling customizable features when power source changed or battery power fall under certain percent.

BatteryCare 0.9.7.3 can be seen as a useful and handy tool which is created to optimize the usage and performance of the modern laptop's battery. It monitors the battery's discharge cycles and helps increasing it's autonomy and improving it's lifetime. It has the following features: battery's discharge cycles monitoring; complete battery information; optional statistical remaining time calculation. Disable Aero theme and suspend services in Windows Vista while on battery.

Major Features:

1. Battery's discharge cycles monitoring:
   
   • The advanced algorithm accurately records when a complete discharge cycle is performed.
   • When the configured number of discharge cycles is reached, a notification balloon pops up to remind that a full discharge is required.
2. Complete battery information
   • It calculates the statistical remaining time in laptops that don't support the battery time left information and only list the charge percentage.
   • Shows all the detailed information about the battery, such as wear level, capacities, consumption, manufacturer, etc.
3. Notification area information; In battery mode, the notification icon shows the remaining time and percentage of battery
4. Automatic power plans switching: Depending on the power source of the computer, BatteryCare can automatically select the power plan you prefer.
5. Control over Windows Aero and demanding Services:
   
   • Automatically disable the graphics accelerated theme in Windows Vista and/or demanding services that degrade battery lifetime.
   • Once the laptop stops running on batteries, the theme is re-enabled and the stopped services are restored.
6. Auto-updates: No need to trouble in downloading new installers, when a new version is available, the program updates itself.
7. Lightweight in the system: Given the concern about the battery optimization, BatteryCare does not interfere with the system performance. It requires only a mere 0,1% of Processor and Memory resources.

Enhancements:

Laptop Battery Tester 2 is a program that can scan battery voltage, export them and show graph. Export data to MicrosoftExcel, or Picture export. Program can load old picture for compare results, changes and defect. Installer and uninstaller is included.