The CPU parameters in handsets' battery saving modes are typically left alone (Manipulating CPU configurations is usually not possible without first rooting the phone). Consequently, they have little influence on productivity. These mostly aid in systems performance evaluation and remaining battery preservation. Three power modes, Moderate, Greatest Power Management, and Highest Rating, are available by default in Windows 11. Additionally, Windows 11 can be also modified to conserve energy and avoid using it for unnecessary purposes.