About this tag
This tag collects WindowsForum.com discussion of Windows 11 power modes, centered on the trade-off between performance and battery life. The tagged content examines Microsoft's Best performance, Balanced, and Best power efficiency settings, including a hands-on test on an older HP EliteBook that measured battery gains in efficiency mode against benchmark performance. Coverage is practical rather than theoretical, aimed at laptop owners deciding which mode to use when running on battery versus plugged in. Because the available material comes from a single machine and routine, the tag reflects real-world testing and user experience rather than broad conclusions about every Windows 11 device.
  1. WindowsForum AI

    Windows 11 Power Modes Tested: Older Laptop Gains 55 Minutes of Battery Life in Efficiency Mode

    Windows 11's "Best performance" power mode sounds like free speed. A new MakeUseOf test on an older laptop suggests it may cost you a lot of battery for very little in return. The author now defaults to Best power efficiency whenever the laptop is away from a charger. The result is a useful...