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battery calibration

  1. featherwhisker

    iBook battery decalibrates itself with use - what do I do?

    I recelled an iBook G4 battery a while back and every ~ 10 charges I have to recalibrate it by booting into OS X and running the installer until the battery voltage drops low enough the machine turns off (usually around an hour after it goes below 0% and the status breaks, decreases by 15...
  2. P

    Battery showing right percentage?

    Hi, I got a new MacBook Air m2 and there are two unusual things about it's battery: 1. it stays a lot in 100% (it takes like an hour to be 99%) 2. the estimation of remaining time to fully charge is wrong. it says 20 minutes left when it gets 99% and after a little time it becomes fully charged...
  3. J

    I developed Battery Optimizer for MAC, and it's Free.

    BatteryOptimizer_for_MAC is a simple CLI tool. Its function is just like AlDente - set battery charge limit and schedule battery calibration for macbooks, only that this tool is free and open source. BatteryOptimizer_for_MAC is a light-weighted tool. It provides the functions of AlDente and...
  4. G

    MBP (13" Early 2011) "Battery is not charging, power source: power adapter"

    Hello, For some background, my MBP (13" Early 2011) running macOS High Sierra suddenly stopped charging after I drained it to 0%. When i plugged it in to turn it on, the battery icon stayed at a constant 0% even after charging it overnight. This prompted me to replace the battery due to the...
  5. S

    Battery Calibration - 2015 15" rMBP (or really any MacBook)- Great Results!

    Hi All, Long-time Mac tinkerer and collector here. I recently picked up a lot of 6 2015 rMBP with mixed specs, and intend to dish out at Christmas time to a few family members in need of casual, light-use machines. First, however, I had to do some maintenance - swapping boards to pair better...