Hi! I am running EOS with latest updates, and this problem keeps bothering me since I got this new laptop (about 4 months ago)
Everything works great apart from battery performance. I am getting the double of battery draw than I should
I previously posted about this but topic was closed before I could furtherly comment:
I am using both slimbookbattery and slimbookamdcontroller tweaked for best power saving
and running powerstat -d 5 1
having system idle and no apps running, I get 18 Wh of baterry draw.
But if I understand correctly, it should give half of that (9Wh)
I’m not sure, but your results might be right. 4800H is not a low power CPU. Also the video card itself being dedicated has its own power draw. I would look into optimizing the video card’s power further. On my machine I get 12W less power draw when switching to built-in Intel GPU vs Nvidia dedicated one. I have managed to force the Nvidia card to go into state-3 power mode which lowers it down to 3W, with which I can live. The sub-10Watt results I get with Nvidia card completely disabled at bios level. With Nvidia card on and the setting I was talking about, I get around 12Watt total machine draw, but this is a U class CPU, not H like yours.
EDIT: On the other hand, even non-U CPUs these days are heavily optimized so you should still see low power consumption, but I would investigate the GPU options first.
But, this give not the same experience like in Windows.
It is commonly known that a notebook runs under Windows much, much more longer because of much better driver support. Often double so long. Year ago or longer i found a very good researched and guided Article about that where they tested many notebooks between “linux stock” (it was ubuntu i think) and windows. And a heavy customized/configured “Linux” to run so long it could. The last one was only 1-1,5hour less for specific notebooks, but they was hard throttled too.
For me, “i gived up”. Im using “old” Thinkpads like the w541. And Batterys are cheap. So i have everytime if im on tour, 2 - 3 charged spare batterys in my backpak.
(if i find again the mentioned article, i link it here)