Plus, it is also able to reduce CPU frequency when needed. It can also use AMD and Intel processors internal features to save battery. Kar Energy Saver is my favorite laptop battery saver software, because it can reduce power consumption up to 30%.

My Favorite Laptop Battery Saver Software For Windows: Apart from various battery saving features, these software are also quite good at providing various battery related information. However in some, you also get options to select power profiles manually. Most of these freeware automatically choose appropriate power profiles according to battery levels. Balanced mode is a moderate mode and provides good performance without consuming too much battery.It is recommended to use this mode only when laptop is connected to power supply or has sufficient battery. High-performance mode doesn’t restrict laptop in any way, unlike power saver mode.Power saver is a true power saving profile that takes every action to reduce power consumption.Let’s know about these power profiles in brief. Power Saver, High Performance, and Balanced are three most common power profiles. Most battery savers use various power profiles to save battery as well as to improve system performance.

Ability to disable Windows features allows much more scope to save battery. To conserve energy, these software use techniques including closing of power consuming programs, reducing CPU frequency, and decreasing screen brightness methods. Some laptop battery saver software can also disable Windows inbuilt features like Aero Glass and Sidebars to save as much battery as possible.

These freeware help you increase laptop battery backup. Here is a list of best free laptop battery saver software for Windows.

Green battery saver and manager