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this post was submitted on 18 Jan 2024
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Well Li-ion batteries are known in conventional wisdom to degrade to 70% of brand new battery life after being charged 500-1000 times. So if it was supposed to have 8 hours when new then 5-6 makes sense.
When I played around with my laptop's power settings, the LCD screen and screen-brightness were a big power draw between 3W at dim to like 15W at max. That and all wireless functions off, if you can have an ethernet cord plugged in, no bluetooth or USB devices plugged then you can maximize your battery life. Years ago I got my laptop to host a minecraft server with screen off to like 4-5 W at idle.
E: And don't forget if you have a backlit keyboard to turn that off.
Oddly the laptop seems brand new when I got it, it still had the peel on the power button lmao. Also, thanks for the tips!
There's software to check how many mAh most laptop batteres are able to take up and deliver, compared to what they shipped with. Modern ones even have how many complete 0-100 charge cycluses the battery have gone through. You can check if you think there's something dodgy about the battery. I've actually seen laptops factory shipped with smaller batteries than ordered.
But knowing linux and seeing you had an issue with the power profiles I'd think it's software related hah. Is there a discrete GPU onboard it's using instead of the power-saving one perhpas?. Also, did you turn off that awful "dynamic background" on youtube that continually taxes the CPU?