Battery longevity remains a critical metric for modern laptops, tablets, and even next-generation handheld devices, but for many users, the pursuit of extended uptime often comes with major trade-offs to the overall experience. Dimming the screen—still one of the most common power-saving techniques—often frustrates people who need clear, bright displays for productivity, creative work, or even leisure. With Windows 11, Microsoft is introducing an experimental power optimization feature that...