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I got a new MacBook Pro. I am trying to limit the charging at 80%. I have the optimized battery charging ON, but it is still keep charging to 100%. Is there is a way that I can decide when to pause charging like Tesla?
Please do not answer like you can turn on the optimized battery charging option. I have it ON.
I have the exact same request. And: A general concern about Apple's roadmap planning. I know it's not easy to support MacOS, iOS and iPadOs all together. But why is Apple's product management adding useless complexity?
Lithium Batteries ALL need charging. TRUE for iPhones, iPads or MacBooks.
But here is what Apple Product Management tells us:
This is incoherent and adding useless complexity!
Artificial intelligence and machine learning is nice to have, dear Product Management. But some of your users are experts with batteries - and Yes, they have their own intelligence.
Please, let us use it!
steve626 wrote:
phil2mac wrote:
Fully agree! And talking feature request:
Ideally, macOS would allow you to put a hard stop at 60 % rather than 80 % on iOS.
Why?
Because this is the load stage in which you typically process (long term) storage of batteries. Then you could work with your plugged PowerBook without having to think about health issues.
You might want to rethink that.
"A laptop battery could be prolonged by lowering the charge voltage when connected to the AC grid. To make this feature user-friendly, a device should feature a “Long Life” mode that keeps the battery at 4.05V/cell and offers a SoC of about 80 percent. One hour before traveling, the user requests the “Full Capacity” mode to bring the charge to 4.20V/cell."
https://batteryuniversity.com/article/bu-808-how-to-prolong-lithium-based-batteries
Apple's health battery management does exactly that. People often post here who are impatient but if you always have the power supply connected, eventually that battery health management will settle on about 80%. I see it on scores of Mac laptops at work, on laptops in people's offices always connected to power..
People will post here and impatiently ask why theirs haven't settled yet on 80%. It will, they are just impatient. The 80% always guideline is for laptops that are always connected to a charger. It doesn't have to be exactly 80%. If the laptop is used even a little off the charger, that will change things. As for 60% being better than 80%, show me peer reviewed publications documenting that and I might be convinced.
The beauty of Apple's algorithm is that it settles on industry best practices, but the user doesn't need to "do something." Others will post here wanting to actually "manage" a battery themselves. They may buy utilities, software, etc., some of which fail to work after a future MacOS update ... but they are doing something that I call "churn." This is just a BATTERY. They ALL wear out, and Apple's algorithm appears to be close to optimal. There may be better things to channel one's energies on. But to each his/her own ...
Apple's algorithm isn't close to being optimal. In fact, it fails to learn usage patterns that change weekly. For instance, using my laptop only on Mondays and Tuesdays, it keeps charging the battery to 100% on any other day when the laptop remains plugged in. This has been happening for three months now, with the same weekly pattern every day. I know the algorithm works - but only if you do the same thing with your laptop every day. And if you accidentally unplug your laptop for five minutes and plug it back in, even then it immediately charges your laptop to 100%. The algorithm is definitely not optimised and does not work in most scenarios. Plus, most people probably don't need their battery to be charged up to 100% because they mostly use their laptop at home.
The "AI" is way too limited and seems to learn only on real user data from your laptop, which might explain why it's so slow. It clearly doesn't know the days of the week either, so it's useless in my case, where I don't have an even usage pattern. Sometimes it doesn't even slow down charging overnight.
Caleb_M1 wrote:
I also express this opinion. There is still a demand for limiting it.
Tell Apple:
It takes a while for Optimized Battery Charging to learn your routines.
You can always unplug it when it gets to 80%. But, I think that may interfere with the learning process.
Thank you. My usage has no constant pattern but never below 60%. It is about a month now but still keep changing to 100%. I will keep plugging in for another month to see what will happen.
And after many many years of saying it wasn't needed for iPhones.... its magically now an option on iPhone 15. All we need is a little bios setting like on a Dell.
It is possible to turn off the laptop charging yourself when the charge level reaches 80%; for this I use the BatWiser program: https://batwiser.com/
Looks nice! Does it involve cost? I'm generally speaking skeptical trusting third party vendors with my hardware. What do you think - any risks?
Dude, unplugging really is the worst thing you possibly could do in this context. Please believe me! ;-)
Agree. Same for my usage (no pattern).
If you never let it drop below 80%, how is it going to stop charging at 80%?
True
Usually, it would automatically start consuming battery power instead of power from your charging plug until the battery drains to 80%.
Is there a way to manually stop MacBook charging at 80%?
