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I just got a MacBook Pro 2017 and will charging while using destroy the battery? I read some post of stack overflow and some people said that it's ok and will help reduce the battery cycle and he also state that if the battery is 100% full, it will use the external power instead. He also state that you need to exercise the battery a few time a month (Use without plugging in the charger).
My concern is, will it destroy my battery?
Hi,
Today’s lithium ion batteries are completely different than batteries of the past, and some people still live in the past regarding battery care, such as advising you to “calibrate” your battery, which is totally unnecessary, or don’t leave your Mac notebook plugged in all the time. Given that, there are vastly differing opinions on how to treat Mac batteries.
If you run using the power adapter as much as possible, then you're saving "cycles" of which your battery has limited amount of (Apple claims “up to 1000” cycles). Age will also take its toll on a battery, no matter the usage. Some people will recommend running the battery down about 75% at once a month to keep it "exercised" which Lithium Ion batteries do need some of, but Apple has built that in to their charging circuit; after charging to 100% the battery won't charge anymore until it runs down to about 95% (which will occur naturally over time even with it plugged in), then charge it back up to 100%, etc.
Apple doesn’t say there’s anything wrong with leaving your Mac notebook plugged in all the time, nor do they say you need to discharge it ever (unless you’re not going to use your Mac portable long term) so they don’t think it’s a problem either: http://www.apple.com/batteries/maximizing-performance/
If, on the other hand, you want/need to use your battery with any frequency, go ahead, that’s why it’s there, to make your Mac portable and able to run out in the field with no power supply available.
You can run your Mac on battery for a little bit, then charge it back up to whatever level you want, and repeat this as many times as you want.
Although, in general, "common knowledge" is that it's not good to run down lithium-ion batteries all the way until they die, Apple doesn't say there's anything wrong with running your battery down to the point the OS puts your Mac to sleep.
In short, you can use the battery any way you want to.
Hi,
Today’s lithium ion batteries are completely different than batteries of the past, and some people still live in the past regarding battery care, such as advising you to “calibrate” your battery, which is totally unnecessary, or don’t leave your Mac notebook plugged in all the time. Given that, there are vastly differing opinions on how to treat Mac batteries.
If you run using the power adapter as much as possible, then you're saving "cycles" of which your battery has limited amount of (Apple claims “up to 1000” cycles). Age will also take its toll on a battery, no matter the usage. Some people will recommend running the battery down about 75% at once a month to keep it "exercised" which Lithium Ion batteries do need some of, but Apple has built that in to their charging circuit; after charging to 100% the battery won't charge anymore until it runs down to about 95% (which will occur naturally over time even with it plugged in), then charge it back up to 100%, etc.
Apple doesn’t say there’s anything wrong with leaving your Mac notebook plugged in all the time, nor do they say you need to discharge it ever (unless you’re not going to use your Mac portable long term) so they don’t think it’s a problem either: http://www.apple.com/batteries/maximizing-performance/
If, on the other hand, you want/need to use your battery with any frequency, go ahead, that’s why it’s there, to make your Mac portable and able to run out in the field with no power supply available.
You can run your Mac on battery for a little bit, then charge it back up to whatever level you want, and repeat this as many times as you want.
Although, in general, "common knowledge" is that it's not good to run down lithium-ion batteries all the way until they die, Apple doesn't say there's anything wrong with running your battery down to the point the OS puts your Mac to sleep.
In short, you can use the battery any way you want to.
I leave mine plugged in whenever I am near an outlet. The battery will not overcharge and the computer can be used while plugged in and charging. Leaving the computer plugged in reduces battery cycle accumulation.
Most of the stuff you read online about batteries, from sources other than Apple is "stale" and/or not applicable to the lithium ion batteries used in todays MacBooks.
Your Mac will not be damaged by charging and running at the same time.
Your Mac will not be damaged by leaving it connected to the power adapter.
There are three different micro-controllers working to maintain the optimal charge level in your Mac, and not over charge, and not start a charge cycle unless it is necessary. One is in the computer itself, one is in the battery, one is in the power adapter. These micro-controllers can do a far better job than humans can.
The only thing to avoid when possible is deep discharge, as this has a tendency to slightly shorten battery life. But your Mac will sleep close to that point, because it needs some battery to maintain the RAM while it sleeps.
So the rule is, "plug in when readily available" and otherwise just "don't worry, be happy."
Once it is charged to 100%, it will not charge while plugged in. And, it is ok to use - but, do use it unplugged/using the battery because it is best for the battery to be used. The best is a mix of both: battery and then plug it in.
Can I use MacBook Pro while charging?
