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La pregunta ha sido cerrada por razón: Cerrado por inactividad de más de 30 días
el 22/02/2026 04:48:03Hi,
I think it should last around 6-8 hours in power saving mode (which still provides really good performance in my opinion). Mine lasted around 6 hours on battery while watching YT, backing up SlimbookOS to external HDD and copying my own OS from SSD from my ThinkPad. However suddenly my Excalibur encountered hardware issue (Slimbook quickly reacted to my issue, now my device is being examined by their technicians) and I couldn't test it more with more strictly limited CPU and GPU speeds as I did for my Corebooted ThinkPad T520 with IvyBridge CPU.
Just in case someone was wondering how long can Excalibur last on battery: in my case it lasts easily 8 - 12 hours with minimum brightness (which is still quite bright) depending on what I do. Casual web browsing, text editing, sometimes short video watching on YT. I have created a script for myself which limits CPU max frequency to 1.00 GHz (it can reach 1.11 GHz though) and GPU performance to lowest possible (but it still runs the desktop smoothly on KDE 6)
