![]() ![]() If you install Windows 10 while you have set charging thresholds, they will still be in effect after the upgrade. What if I upgraded my old Windows installation to Windows 10 and I have previous thresholds set? Am I stuck? When turned on, you can set both when to start charging and when to stop charging. To get started, first you need to access the power options.Ĭharging threshold settings in Lenovo Vantage (If you still have Lenovo Settings installed, please check the last section of this article) You should set your charging thresholds in Lenovo Vantage currently! If you cannot find it, you can download it from the Windows Store. In Windows 10 you use the Lenovo Vantage app to change charging threshold. You should find Lenovo Vantage in your Start Menu. But below that I want it fully charged again, so I am ready to be away from the power adapter. And it allows for a short meeting without the notebook charging back up again. The reason for choosing these settings is that 80% is still acceptable should I choose to use my notebook away from power. Fully charge the notebook (stop at 100%).Start charging when the charge goes below 80%.To quickly check the wear level of the battery you can now also use a small battery utility I created. These symptoms include a quickly raising wear level of the battery. So it does not really stress the battery but causes symptoms that then need curing, should you wish to use the notebook to it’s full potential. By using the charging thresholds, I wanted to prevent the battery from being constantly charged.Ĭharging all the time – in my experience – ruins the internal meter of the battery quickly, requiring battery gauge resets. These interruptions are often short meetings that only drain the battery a little bit, but enough to trigger a charging should I plug it in again (10-20%). I unplug my ThinkPad from AC power for short periods, and then use it again by plugging it in. I use charging thresholds to lower the percentage when the notebook starts charging, usually to about 60%-80%. Update : I added a link to my battery utility Why I use them? Update : I reorganized this article so Windows 10 information comes first, and added information about Lenovo Vantage Update : Added information about custom threshold in Windows 10 available again Update : Added link to battery information tool article. Update : This article is very popular, so I added some more information, mostly to Windows 10. Update : I updated the information regarding Windows 10. ![]() ![]() □ Instead I try to tell how and why I use them, and then proceed to show how they can be changed in different versions of Windows, should you still want to change these thresholds. In this article I will try not to settle that argument. Some theories say thresholds are needed to keep the battery healthy, some think they are useless and the battery will work the same just as it is. I tested that on my LG Gram 16, and it seems to work perfectly: when plugging the AC with 85% charged, KDE states that it is charging, but the percentage stays at 85% (with "time to full" blocked at 1:41).Īs stated in the quote above, this value will be reset when the kernel boots, so you may have to change the value again.There are a lot of theories and information about ThinkPad charging thresholds. So, for example, you can manually set the limit to 80 with the following command: echo '80' | sudo tee /sys/devices/platform/lg-laptop/battery_care_limit This value is reset to 100 when the kernel boots. Limiting the charge reduces battery capacity loss over time. Writing 80/100 to /sys/devices/platform/lg-laptop/battery_care_limit sets the maximum capacity to charge the battery. In particular, it also provides a "Battery care limit". Ubuntu packages are available in the official repository.įor LG Gram laptops, there's a specific kernel driver, which seems to be active out of the box, at least in EndeavourOS, for particular features of LG Gram, see So if you're reading this comment in few years, check the documentation, maybe your device is now supported. As pointed by in the comments (please upvote them!), while TLP used to only work on Thinkpads, the newest version has support for devices from multiple vendors, and given the nature of the project-if the appropriate drivers for other devices will become available, it is likely these will get integrated into this project too. One of the parameters it controls is maintaining battery charging limits. Nevertheless TLP is highly customizable to TLP comes withĪ default configuration already optimized for battery life, so you may Without the need to understand every technical detail. TLP brings you the benefits of advanced power management for Linux There's a somewhat nicer application now available to Ubuntu (and other distributions): ![]()
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