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Old Mar 16, 2008, 11:25 AM   #1
xvrockerlouvx
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Is it bad to leave the Macbook plugged in all the time?

Of course i'll unplug it 2-3 times a month and run the battery down to condition it, but other than that, is it bad to leave it plugged in 24/7, including when not using it and it's turned off? Thanks.
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Old Mar 16, 2008, 11:30 AM   #2
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Of course i'll unplug it 2-3 times a month and run the battery down to condition it, but other than that, is it bad to leave it plugged in 24/7, including when not using it and it's turned off? Thanks.
batteries will all die eventually. as long as you unplug and drain it once a week you are fine. when I bought my mbp used the battery health was 49%. I keep it plugged in all the time and use it as a desktop so I unplug it once a week. The health has gone back up to 54% now.
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Old Mar 16, 2008, 06:03 PM   #3
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I wouldn't stress out about it. I mean, as long as you have it unplugged every once in a while, it should be fine. Then again, if you have it plugged in 24/7 why'd you get a laptop
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Old Mar 16, 2008, 06:33 PM   #4
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I don't think it will hurt it, i believe apple reccommends draining the battery at least once a month though

im pretty sure it trickle charges itself when its plugged in
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Old Mar 17, 2008, 12:48 PM   #5
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I just recalibrated my battery by running it down to 0%. As soon as it hit zero health jumped from 54% to 89% and the battery percentage jumped back up. To over 30 and gave me another hour of battery life! I highly recommend recalibratong once per month.
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Old Mar 17, 2008, 01:52 PM   #6
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I wouldn't stress out about it. I mean, as long as you have it unplugged every once in a while, it should be fine. Then again, if you have it plugged in 24/7 why'd you get a laptop
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Old Mar 17, 2008, 01:55 PM   #7
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I haven't seen any ill effects from having my laptop plugged for weeks at a time. I do calibrate once a month and the battery health stays pretty decent.
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Old Mar 17, 2008, 02:33 PM   #8
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My MB (late 2006 model) is plugged in and running pretty much all the time (day and night) and generally only unplugged to give a lecture (about four times a week for an our or two duration) during regular semester time (26 weeks a year in total). The odd time I'll have it on battery in our lounge or a meeting, but not that often.

I hardly ever recycle. 60 cycles and health is 100% according to iStat.
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Old Mar 17, 2008, 03:06 PM   #9
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I had my 17" Macbook Pro on my dek for a year. I used it as a desktop attached to a cinema display. It was plugged in 24/7. I too let the battery cycle properly in the event I would use it as a lapop, which I never did.

When I did eventually take the laptop of the desk to sell it on eBay I discovered that the aluminum battery backing had warped/bowed from heat/lack of airflow. So make sure that there is proper airflow under the unit. Maybe gett a laptop cooler.
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Old Mar 17, 2008, 03:11 PM   #10
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I wouldn't stress out about it. I mean, as long as you have it unplugged every once in a while, it should be fine. Then again, if you have it plugged in 24/7 why'd you get a laptop
I for one wanted a desktop, but wanted a 30" Cinema Display too. The Mac Pro being too expensive at the time, I opted for the cheaper Macbook Pro. Also, I certainly couldn't afford both, so If I went on vaction or to someone's house, I'd maybe want to bring a laptop along. So I understand people using laptops for desktop replacement.
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Old Mar 17, 2008, 03:25 PM   #11
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I keep my MBP plugged in 24x7, except when I am traveling, and my battery health and charge time is still very good. You have a fixed number of charge/discharge cycles, so why waste them if you don't need to, except for maybe conditioning the battery once in a while...
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Old Mar 17, 2008, 03:26 PM   #12
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I keep my MacBook plugged in all the time as well. I have used 3 battery cycles in 2 months. My health is 100%. I am due for a cycling soon.
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Old Mar 17, 2008, 03:28 PM   #13
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My MacBook sits for weeks on end at times, plugged in and running BOINC.

I am at 100% health with 23 cycles.

As long as you drain it every once in a while, I don't think there's any need to worry.
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Old Nov 28, 2009, 08:04 PM   #14
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response to battery question

I'm at 158 cycles on my mb and i'm still at 100% health. I attribute that to letting it drain down once per week. However, seeing some of the testimonials above makes me question whether or not i have to do so. thanks for all the feedback...
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Old Nov 29, 2009, 01:44 AM   #15
Cinch
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sooner or later it will have to be plug-in

my computer:

according to coconutBattery 2.5.1

MacBook Core Duo, black
Age of your mac: 43 months ~3.5 years
Battery-Loadcycles: 341

Original Battery Capacity: 5200 mAh
Current Battery Capacity: 743 mAh (14% of original)

It barely last 15 minutes on battery now. This is the original battery. The first year I had my macbook, on frequent occasions I would use it without wire, but since year two plugin was the only viable way to use the computer. I don't have a problem with this. I've always thought a laptop was more of a light computer that you can move about easily, not necessary a wireless computer on your lap.
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