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    This is really neat, thank you. I’ve set it up on my laptop and hope for interesting results in a few months. Note to anyone who tries: you’ll probably want to customize the log file path in the two scripts battery-status-collect and battery-status-graph.

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      I am also starting to use tpacpi-bat to start charging at 40% and stop at 80% because lithium ion batteries lose capacity more quickly if fully charged or fully dicharged. I’m keeping notes and will blog whatever helper scripts and results I come up with.

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      Definitely interested in keeping measurements for the performance of my replacement X220 battery, so this is really timely and useful to read!

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        Slightly off topic I admit, but I don’t understand why people still use Thinkpads given how much Lenovo has repeatedly betrayed their customer’s trust with malware/spyware. Is there no better option or something? (What about Linux on a Mac?)

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          I used to run Linux on an Apple laptop; I switched because I was tired of the “Apple tax”, branding, and general hostility to Linux. The 3rd gen X1 Carbon was close enough in build quality that I wouldn’t feel like I was lugging around a trashy plastic toy. I’ve tried to write this a few different ways to make it sound more objective but, really, the features of most laptops are more than sufficient for me, I was looking for a piece of hardware that exudes a comfortable quality. I want this thing I spend so much time working and playing on to feel good: a nice keyboard, a case that resists torsion, little attention-to-detail features. Maybe I am a sucker for a 5% stiffer case and half the number of trashy Intel stickers, but it feels like a world of difference.

          Other manufacturers are far behind Apple and (most models of) Lenovo in build quality. The Lenovo stories have all broken since I ordered mine and are pretty disconcerting. I really hope folks like System76 and GNU-approved sytems like Purism can compete in a few years when I’m shopping again (or I find the time and energy to build a laptop with an eInk display).

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            A bit late, but those vendors are basically based around rebranding ODM systems. They usually focus on cheaper gaming laptops for resellers to brand, and as such, it’s cheap as possible to fit specs in.

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            Same reasons as pushcx - ordered before the Lenovo stories appeared. Lenovo is on my boycott list since. Additionally, I depend on a trackpoint with physical buttons and an excellent keyboard - there is just no other alternative out there. Other than this, to my knowledge and experience ThinkPads had pretty good Linux support. My current laptop is a T430s - I hope it will keep working until there is a viable alternative.

            I am too observing the GNU-approved systems like System76 and Purism, but unfortunately they have not yet options for my keyboard requirements.

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            That graph makes welded in batteries way more scary.

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              Welded in? Does that exist? I thought the worst they could do is glue them in. Welding Li-ion batteries seems like a terrible idea.

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                Poor wording on my part. I simply was referencing laptops / phones with non-replaceable batteries.

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                  Non-replaceable doesn’t mean non-serviceable. It might not be a “move a switch and release” operation, but they are replaceable.

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                    True, just annoying and costly in many cases.