You can either set it by using the slide bar or by typing in the desired percentage in the field above and pressing enter afterwards. Battery Charge allows you to set your maximum charging percentage between 20 and 100 percent. Keeping your battery at 100% at all times can shorten the lifespan of your MacBook significantly. Li-ion and polymer batteries (like the one in your MacBook) last the longest when operating between 20 and 60 percent. In the meantime, you can find more information about AlDente Pro, all its features, and supported devices on our new website: We will keep you up to date, when the final version of AlDente Pro is ready. Thank you very much, we have enough beta testers for now. We are incredibly excited to share with you some big news: AlDente Pro is ready for the first taste tests!Īfter months of development, AlDente Pro is finally ready for a limited number of beta testers. I’m sure there is also something comparable on the dark side of operating systems :) (Wndws).MacOS menu bar tool to limit maximum charging percentage Don't overcook your battery! Keep it fresh and chewy with AlDente. I have no quantitative values on the actual effect size. I successfully used this on a MacBook pro and a MacBook Air (all of the Intel, not M1 variant). Occasionally I found that after restart, BCLM was at 100% again, so it’s useful for me to have a fully baked and not fiddle in the terminal. I include both the script source (which you can run in Script Editor) and a ready-to-run app. Since not everyone will have Alfred installed :), I created an AppleScript which should run everywhere. The list command will give a myriad of power manager entries, and the “BCLM” entry (presumably short for Battery Charge Level Maximum) refers to the eponymous value. When you run it in the terminal with the -h option, it will tell you of three commands: list, read, & write. From this I extracted the utility “smcutil”, which goes back ages and does some low-level fiddling with the Power Manager on MacBooks. Researching this topic, I found this nice blog entry which refers to two utilities (which I have not tried), and has an Alfred Workflow which worked for me. (In battery-operated cars there frequently is an option to stop battery charging at 80%.) When you’re planning to travel, of course you want 100%, but when you are working home or wherever and have it plugged in, the battery suffers a little always when always being 100%. One strategy to prolong battery life (at least the Lithium ion variant) is to not keep it fully charged to 100% at all times. Long readīattery charging is a rather involved subject, recently I here referred to one good source on it. After computer restart, the charge level maximum is frequently reset to 100%. If you are up to it, save the script as app. Run it (⌘R) and follow the dialog options.Īll the above hassle is only needed for the first time. You will now see the script in the Script Editor. rightclick setBatter圜hargeLevelMax.scripd, select open.You have now cleared the “quarantine” bit. It will open in the terminal, ignore this and quit the terminal. unzip (by double clicking), notice two folder contents.Update: superseded by “ AlDente (Pro)” TL DR (improved version) Prolong your battery life! This post applies to MacBooks (Air, pro, …) only
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