OS X :: Battery Capacity Status Keeps Changing
May 5, 2010
My battery was functioning perfectly up until today, the last time I looked at coconut battery it was around 95% capacity with like ~500 cycles. Then today it's struggled to hold 2 hours of charge, coconut battery now says 57% capacity. The strange this is, earlier today it seemed to have gone back to normal, I looked at CB and capacity was back up to 95%. I tried calibrating it and it's all over the shop.
About 2 minutes ago I received the 9 min low battery warning, now it's plugged in and says it only has to charge for 49mins to regain a full charge. I guess it sounds like it's dying, it's at 616 cycles which is fair enough. Lately (last 4/5 months) I've been keeping it plugged in most of the time though which I hadn't before and I'm thinking that's perhaps killed it faster. Anyway is there anything else I can do before replacing it? Or a more comprehensive way to evaluate its health?
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Jun 28, 2010
Do take a look at my current battery capacity. How can my current battery capacity be higher than the Original battery capacity? Anyway if you want to know how I keep it at 99-100% battery capacity
1] Set brightness level to the lowest or most comfortable
2] Turn off Bluetooth/Airport when not in use
3] Try not to use the iSight camera too much
4] Try to do activities that will decrease your battery life only when it's plugged in
5] Put it to sleep instead of shutdown.
6] Keep it plugged in as much as possible, it's okay to use 20-30% of the battery when you're in the bus or in places that has no power adapters. In fact, it makes the MBP healthier.
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Apr 13, 2009
I just got a Mac Pro Octo 2.93. It has a 4870 card and 4 1tb drives. I also have a Sonnet E4P e-SATA card installed. Would a 780 Watt 1200 VA surge suppressor be enough?
The other question is about waking the computer up. My old G5 Quad (7800 GT card, E4P card, 2 500gb drives and 8gb RAM) would wake up and while the afore mentioned surge suppressor would beep, the room electrical breaker wouldn't be tripped. Using that same suppressor for the Mac Pro results in the breaker being tripped when the computer wakes up. Would getting a bigger suppressor help with this? In other words, does a unit with a bigger battery capacity allow the battery to take the extra load when the computer wakes up preventing the breaker from tripping?
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Nov 14, 2009
I have a MacbookPro mid 2009 and have some problems with my battery. This morning I noticed that the battery was empty through it was supposed to be in sleep mode during the night. My battery has 97 cycles and has 99% of its original capacity. What could be the cause of this problem ?
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Jul 1, 2012
I have a Mac 10.6.8 running Snow Leopard. My battery won't charge: all I get is "Not Charging" in the menu bar battery status; the power adapter doesn't light up either. It's not a problem with the battery—when I put my battery in my friend's MacBook, it worked just fine. His battery, however, wouldn't charge either when it was in my computer. I have tried resetting the SMC several times, following the instructions exactly. I've reset the PRAM, run disk repair, and fixed disk permissions. I don't have the money to take it to a repairman—even if I did, I need my computer every day for work.
Info:
MacBook, Mac OS X (10.6.8)
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May 17, 2009
after updating to 10.5.7, the battery icon doesn't seem to want to update. info is set to show battery icon and percentage.
after unplugging the mag connector, battery status indicates 100% after 1.75 hours. anyone seen this before? did not notice this happen prior to update.
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Sep 17, 2009
I received my first Mac this Monday and I was perusing the forums and people recommended I should download coconut to see the status of my battery. I was just wondering why the battery capacity is 98% if my notebook is brand new.
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May 15, 2010
What does it mean - "Service Battery" in charge level icon?Is it really bad?
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Sep 2, 2014
I have a Mac Book Pro running 10.6 .... Now the battery cannot be charged !
How do I check whether it is the battery problem ?
Info:
15.4, Mac OS X (10.6.8), 27" iMac - 4GB RAM, 1TB HDD, 1GB ATI Radeon HD, i5 QuadCore
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Dec 22, 2010
So when I bought this the guy said that Apple installed a new battery on it recently. I believe him because when I downloaded the iStat Pro widget it said only 2 or 3 cycles which is because I calibrated the battery. But I just finished charging and the light is green. But it says the charge is only at 97%. I don't see why it should be like this. Also when it's not plugged in the battery only lasts maybe 3 and half hours from just surfing on the internet. But I thought it was supposed to last like 6?(I'm thinking that since mine is an older model, that could be it.
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Feb 15, 2009
My aluminum unibody MacBook is plugged in to the power adapter and the light on the adapter is green. The battery status indicator says "Not Charging." What do I do?
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Feb 17, 2009
I am at 99% and 82 cycles and I've own mine for 2 months now. This is my very first mac so am I OK for now?
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Oct 20, 2009
I've just replaced the hard drive in my macbook, and obviously that meant reinstalling Snow Leopard on my machine. Now I seem to be getting issues with my battery that I didn't before with SL, so I'm not entirely sure that's the root of the problem. Yesterday (day SL was installed) I noticed that my battery showed 0% and wouldn't charge, but I was still able to use my computer, and it was in fact on without being plugged in and absolutely fine for a good hour or so. Eventually the battery seemed to go back to normal, would charge, and showed a real percentage of battery life (i.e. 65%).
This morning I turn on my laptop, realise I'd had it plugged in all night, which I never do, and the light on the lead was still orange. Now my battery icon just shows a cross and says there are no batteries available, though again I'm working without my macbook being plugged in to the mains. Is this just a bug that will eventually be fixed? I seriously doubt it's my battery, that was replaced around April time and though I use my laptop a LOT not enough to screw it up that quickly.
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Sep 4, 2014
Some games seem to close off menu bars and everything else.My daughter plays the sims 3 and sometimes uses battery power, but she always panics that the mac will just shut down due to lack of battery power.
How does she see what the power is at while playing the game? ts normally just in the menu bar, but like i say this game overrides all that info until the game has been quit.
Info:
iMac, OS X Mavericks (10.9.2)
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Sep 3, 2010
My AppleCare expires on Monday September 6th, and I am wondering if my 87% capacity at 51 battery cycles suggests I should visit an Apple Store this weekend? The closest store is around 25 miles away, so if I would be wasting my time, I would rather not take the trip. My concern is mostly based on my warranty ending. This is a 2009 13" MBP.
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Sep 22, 2010
I used an app on my MBP called Coconut battery. it said that my current battery capacity was 94% of what it was since I bought it. I assumed that means those 6% are never coming back and I should start using it more responsibly to make it last longer. I read a lot of forums on how to use your notebook effectively, when to plug it in, how much I should let it discharge etc. After 2 weeks of my new habits, I checked my battery life again and now it says 96%. Is it even possible for it to go back up?
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Oct 20, 2010
I have MacBook Pro about 17 months old (bought new Summer 2008). According to Coconut Battery, my current battery capacity is 96% after 185 cycles (see below). This was taken just after I re-calibrated the battery last night. I usually work the laptop from the battery ... I rarely leave the laptop plugged in unless charging, and when fully charged I always unplug and run the battery down before plugging in again. So, is 96% battery capacity good or bad for a 17 month old MacBook with 185 charge cycles? Is the way I'm charging ok, or is it better to have the MacBook plugged in continuously and have less charge cycles (would this give me a better battery health %)?
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Nov 16, 2010
So I just opened Coconut battery, and it is saying that I have 101% battery capacity. How is that even possible? In the other hand, iStat says 100%.
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Feb 9, 2008
Charge remaining (mAh): 4292
Fully charged: No
Charging: No
Full charge capacity (mAh): 4919
Oddly enough, I can't even reach 4 hours. 50% screen with web surfing/msword.
SDD version.
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May 22, 2008
I recently bought a 12" Powerbook G4 from ebay, and am curious to know about the battery capacity. It came with the original Apple battery, and it usually powers off before the battery is at a low percentage power. So I have installed Coconut Battery and Battery Health Monitor to check how the battery is doing.
Both say that the battery capacity is now 6393mAh, and the original capacity was 4200mAh. As such, they say the battery health is 100%. How is this possible? How can battery capacity increase? I presume this is wrong. Is there any way to correct this? The powerbook, according to the apps, is 65 months old (it is an original 867MHz model). Both battery apps also say the battery has gone through 59 charge cycles.
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Apr 4, 2009
Got a question about the battery in my wife's white Macbook. I just downloaded (and ran for the first time) Coconut Battery and it reports the following info:
Current Battery Charge: 5281 mAh
Maximum Battery Charge: 5281 mAh
Current Battery Capacity: 5281 mAh
Original Battery Capactiy: 5020 mAh
Battery-LoadCycles: 60
Age of your Mac: 8 months
Now, I'm no rocket scientist, and I'm definitely not complaining, but how in the world does my battery have More capacity now than it did when it was new? Is this an error in Coconut? System Profiler reports the same capacity and my research online seems to concur that 5020 mAh was the original capacity.
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May 4, 2009
I've got a 4 month old Macbook Aluminum 2.4 ghz. I was getting great battery life for the first couple of months. But I'm now getting 3:10 with screen half light, and wifi on, bt off, doing a bit of downloading, etc. I've recalibrated the battery a number of times. According to activity monitor my cpu is hovering under 10% when I'm doing my battery test. This is at least 2 hours less than I was originally getting. Coconut Battery tells me that the original capacity was 4100, but its currently at 4052. Battery load-cycles are at 97 and it says the Mac is 5 months old. Should I take it in to the Apple store under AppleCare?
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Feb 28, 2010
I bought my MacBook Pro 13.3" 5 months ago (according to Coconut Battery) and the battery-loadcycle is already at 51 and 89% battery capacity. Anyway I wanted to know, if I keep my Mac plugged in on the charger will the battery-loadcycles decrease?
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Mar 1, 2010
I get ready for the next disappointment tomorrow (maybe no MBP update) and looking out for a MBP at eBay. I've found a good one (August 2009) 2.53 GHz, 4 GB RAM, 500GB HDD etc. for round about 900� (1.200$) (in Germany we pay 1533� for this model so round about 2088$). The guy sent me a screenshot of the battery capacity which is 87% (4762mAh) after 56 loadcycles. Is that acceptable? IMO it's a bit too low - what do you think? Maybe I'm going to buy a AppleCare Protection Plan afterwards ... would the battery be covered?
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May 7, 2010
I've had my Macbook Pro for just over 2 years and recently bought one of the 2010 models. I'm about to sell my old one but when I downloaded Coconut Battery, I saw that my battery holds a lot less charge than it did when it was new: Have I been doing something wrong or is it just low because the laptop is 2 years old? If it's something I've been doing, I don't want to make the same mistake with my new one.
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May 29, 2010
Is there any way to reset the original battery capacity? This is a new MacBook pro. I am using coconutBattery and it says my original capacity is only 1300mAh. My current capacity is 12718mAh.
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Feb 21, 2012
After looking into the technical side of my MBP, i saw that my full charge capacity was 6567 mAh.
I looked into this because it seemed as if my MBP's battery wasn't lasting as long as I thought it once was. I have a 15" 2.2 gHz MPB
Info:
MacBook Pro, Mac OS X (10.6.8)
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Mar 5, 2012
Apple say MacBook Pro early 2011 should have 7+ hour capacity. Mine dries out in less than 2 hour. Beside: The computer gets very warm, cannot contact to a table without damage the table.
Info:
MacBook Pro (15-inch Early 2011), Mac OS X (10.7.3)
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Apr 24, 2012
How may I determine the battery capacity of my MacBook Air?I'm interested in the battery health status in order to stretch the life time?
Info:
MacBook Air, Mac OS X (10.7.3)
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May 24, 2012
I just logged on to my macbook and it said 96% fully charged. I got really worried and installed coconutbattery and it says my maximum capacity is 98%! I've only had my mac for 4 days!
Info:
MacBookPro
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