Microsoft pushed a Unified Extensible Firmware Interface (UEFI) update for select Snapdragon X–powered Surface devices that, in some cases, has removed the user-accessible Battery Limit toggle and left machines unable to charge beyond roughly 50 percent—effectively halving usable battery...
If you want the most reliable extra runtime from a Windows 11 laptop without installing third‑party utilities, five simple built‑in tweaks consistently buy the biggest returns: switch Power Mode to Best power efficiency while unplugged, cut screen brightness and refresh rate (or use Dynamic...