A nice utility written by Tamir Khason, that could - according to the website of the utility - save you up to 70% of battery power.

• 设 置简单，可以选择在笔记本使用电池的时候禁用Aero界面、Sidebar边栏功能，也可以选择电量低于某一水平的时候再关闭这两个功能。