Comments (6)
I have learned that the M1 does not have an SMC, and thus there is no key to write to. Unfortunately there is no option for us :(
All the functions the SMC handled are now embedded in the M1 processor. That must include recharging the battery.
So the lack of an SMC does NOT mean there's no way to limit the battery charging level.
It does explain why the two utilities I've tried, which reference BCLM, don't do what they were intended to do on my M1 Mac.
Clearly a new version of charge-limiter is needed, which will:
First determine if it's running on an older mac with an SMC, or a newer M1 Mac.
If it's running on an older mac, then it should apply the existing code.
If it's running on a newer M1 Mac, then it should apply a new approach, which ought to be possible.
If godly-devotion is willing to attempt this new version, I'd be willing to sponsor him/her/them with a $20 contribution.
from charge-limiter.
I am also having this error. M1 Macbook Pro with Apple M1 Pro chip on macOS Monterey. Same things happens to me when i type the same command sudo /Applications/Charge\ Limiter.app/Contents/Resources/bclm write 80
in the terminal.
from charge-limiter.
I have learned that the M1 does not have an SMC, and thus there is no key to write to. Unfortunately there is no option for us :(
I did have an idea to overwrite the ML model that determines when to hold at 80% with one that always outputs True, and I have created the file, but cannot figure out how to overwrite system files.
from charge-limiter.
How does AlDente (https://github.com/davidwernhart/AlDente) work then with M1 Macs? Thanks for the info though!
from charge-limiter.
It just disconnects the charger until the desired battery level is reached. The unfortunate thing about this is that clamshell doesn't work with it as clamshell is only enabled when connected to power, that is why I resorted to forcing the ML model to handle the SOC decrease.
from charge-limiter.
Update: Limiting the battery charge is DEFINITELY possible on the M1 machines, since the AlDente app is successfully doing it. However, the charging indicator light is incorrectly showing that it's charging when it's not.
from charge-limiter.
Related Issues (20)
- ChargeLimiter stops working on macOS Sierra after installing "Device Support Update"... HOT 5
- Error on line 22 HOT 1
- Prevent charger from charging battery on Mac M1 HOT 1
- Macbook Pro 2017 unexpectedly restart HOT 1
- Does it work on Linux? HOT 2
- cannot set charge limit to 100 HOT 3
- Mac OS Ventura: Doesn't Work HOT 2
- does not limit charging on MacBook Pro retina mid 2015 HOT 3
- Not working on MPB 2021 M1 with Ventura HOT 3
- Not working for Macbook Pro M2 Ventura 13.1 HOT 1
- Can't show the current charge limit
- the device still won't charge after deleting the app HOT 1
- Add simple test to warn if SwiftRuntimeForCommandLineTools.dmg is needed (like 10.14.3 or older). (feature request)
- Can't set 100% limit on m1 mac HOT 1
- M2 Pro HOT 2
- The battery does not charge properly HOT 3
- charging stops 4 % higher than set up value HOT 1
- What is best for the battery?
- Still active after uninstall
- Does not charge if processor load is high HOT 1
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