Question about calibrating battery

I have a question about step 5, +Turn off the computer or allow it to sleep for five hours or more+. First off, does it mean let the battery completely run out and turn off the computer, or are we supposed to turn it off. Second, what is the purpose of letting it wait 5 hours before turning it back on? Thanks

Tucker77 wrote:
I have a query regarding this, my Macbook went to sleep after draining the power last night (following its first full charge). I plugged it in to recharge at 5:30 this morning and over four hours later, it still hasn't charged, or at least the light is still orange.
For optimum calibration, does it matter if I use the Macbook while recharging or should it remain off? Should it take over four hours to charge up again?
Yes, it matters I would let it charge completely until the light changes to green.
As for the length for it to charge, 4 hours is about right, could be a little longer with a complete drain. Check out [apples battery page|http://www.apple.com/batteries> for more info.

Similar Messages

Some questions about the battery

I have a couple of questions about the battery in general.
Is it normal that my iPod Touch 4G charges very fast? It reaches 60% in only one hour and it's fully charged before it takes two hours. I know this is not bad but I'm just worried. How can I be sure if it's really loaded?
Is it normal that the battery is very quick empty when I'm gaming? For now I'm blaming this due to the quick charge.
Is it normal that for example my battery level is at 30% and when I put on standby or something or close a game, the battery starts rising for approx. 5% even 10% sometimes?
Those are my question, I hope they are clear enough. Thanks in advance.
Regards

1. The tech specs says:
Charging times: Fast charge in about 2 hours (80% capacity), full charge in about 4 hours
2. Heavy use like gaming drains the batery fater then other use. The tech specs say:
Video playback time: Up to 7 hours when fully charged
3.. Yes, the indicate capacity tends to rise after heary draining is stopped. The battery indicator is not that accurate is affected by temperature. Heavy use increases battery temperature and when it decreases battery temperature decreases.

Mid-2013 Macbook Air: question about the battery life

First of all, I'm sorry if these questions have been already asked, I've looked around and I've seen some answers, but none that fit my specific case.
I have had this computer since December (Macbook Air, 13'', Mid-2013), I've been using it for a month now. At the beginning, I used to use it until my battery was low (between 10 and 20%) and then charge it. Then I learnt that it's better to keep it plugged as much as possible (I have read this in other discussions and on the Apple page). The problem is that my battery is no longer a 100% of its capacity according to Cococnut Battery. It started with 99%, then back to 100%, then 98, 97... and now it varies from 97 to 98 (right now it says that my computer's current capacity is 6948 mAH). I don't know if this is normal, or if this is caused by the use I used to give to my macbook air at the beginning or by any other thing. I also have 19 loadcycles already. Besides, I have noticed that sometimes it jumps form 100% to 99% of battery pretty fast when I don't have it plugged, and I'm not sure if that happened before.
This is my first time dealing with a macbook and I don't know how these things are supposed to work, and I'm worried my battery might have any kind of problem and that's why itdoesn't have full capacity anymore, since I've been using it for only a month.
Also, sometimes it takes a little while to shut down. It usually takes 2 seconds, but sometimes it takes longer, maybe 20 seconds (first the screen turn white, then the loading icon appears and then it finally shuts down). Is this normal too for macbook airs?
Thanks for the help!

Those are only averages, for purposes of the battery 97 98 99 and 100 are the 'same thing'........theyre all estimates.
Normal on shut down, sometimes you can see a few seconds, sometimes 10, 15 seconds shut down.....depends on what and HOW much its shutting down before poweroff.   Normal.
ON BATTERY USE:
Keep it plugged in when near a socket so you keep the charging cycles down on your LiPo (lithium polymer) cells / battery, but not plugged in all the time. When not being used for several hours, turn it off.
http://www.apple.com/batteries/notebooks.html
"Apple does not recommend leaving your portable plugged in all the time."
General rule to remember of Lithium batteries is:
Never drain them LOW & dont always/often store them HIGH
While cycle count is commonly seen to be the “miles” on your Lithium Ion pack cell in your Macbook, which they are, this distinction is not a fine line at all, and it is a big misconception to “count charge cycles”
*A person who has, for example, 300 charge cycles on their battery and is recharging at say 50-60% remaining of a 100% charge has better battery usage and care than another person who has 300 charge cycles at say 15% remaining on a 100% charge.
DoD (depth of discharge) is far more important on the wear and tear on your Macbook battery than any mere charge cycle count. *There is no set “mile” or wear from a charge cycle in general OR in specific.    As such, contrary to popular conception, counting cycles is not conclusive whatsoever, rather the amount of deep DoD on an averaged scale of its use and charging conditions.
                          (as a very rough analogy would be 20,000 hard miles put on a car vs. 80,000 good miles being something similar)
*Contrary to some myths out there, there is protection circuitry in your Macbook and therefore you cannot overcharge it when plugged in and already fully charged
*However if you don’t plan on using it for a few hours, turn it OFF (plugged in or otherwise) ..*You don’t want your Macbook both always plugged in AND in sleep mode       (When portable devices are charging and in the on or sleep position, the current that is drawn through the device is called the parasitic load and will alter the dynamics of charge cycle. Battery manufacturers advise against parasitic loading because it induces mini-cycles.)
Keeping batteries connected to a charger ensures that periodic "top-ups" do very minor but continuous damage to individual cells, hence Apples recommendation above:   “Apple does not recommend leaving your portable plugged in all the time”, …this is because “Li-ion degrades fastest at high state-of-charge”.
                    This is also the same reason new Apple notebooks are packaged with 50% charges and not 100%.
LiPo (lithium polymer, same as in your Macbook) batteries do not need conditioning. However...
A lot of battery experts call the use of Lithium cells the "80% Rule" ...meaning use 80% of the charge or so, then recharge them for longer overall life.
Never let your Macbook go into shutdown and safe mode from loss of power, you can corrupt files that way, and the batteries do not like it.
The only quantified abuse seen to Lithium cells are instances when often the cells are repeatedly drained very low…. key word being "often"
Contrary to what some might say, Lithium batteries have an "ideal" break in period. First ten cycles or so, don't discharge down past 40% of the battery's capacity. Same way you don’t take a new car out and speed and rev the engine hard first 100 or so miles.
Proper treatment is still important. Just because LiPo batteries don’t need conditioning in general, does NOT mean they dont have an ideal use / recharge environment. Anything can be abused even if it doesn’t need conditioning.
From Apple on batteries:
http://support.apple.com/kb/HT1446
http://www.apple.com/batteries/
Storing your MacBook
If you are going to store your MacBook away for an extended period of time, keep it in a cool location (room temperature roughly 22° C or about 72° F). Make certain you have at least a 50% charge on the internal battery of your Macbook if you plan on storing it away for a few months; recharge your battery to 50% or so every six months roughly if being stored away. If you live in a humid environment, keep your Macbook stored in its zippered case to prevent infiltration of humidity on the internals of your Macbook which could lead to corrosion.
Considerations:
Your battery is subject to chemical aging even if not in use. A Lithium battery is aging as soon as its made, regardless.
In a perfect (although impractical) situation, your lithium battery is best idealized swinging back and forth between 20 and 85% SOC (state of charge) roughly.
Further still how you discharge the battery is far more important than how it is either charged or stored short term, and more important long term that cycle counts.
Ultimately counting charge cycles is of little importance. Abuse in discharging (foremost), charging, and storing the battery and how it affects battery chemistry is important and not the ‘odometer’ reading, or cycle counts on the battery.
Everything boils down to battery chemistry long term, and not an arbitrary number, or cycle count.
Keep your macbook plugged in when near a socket since in the near end of long-term life, this is beneficial to the battery.
Peace

Question about maximum battery mAh

I posted a picture of my original and current battery health. It seems to be really good right as long as the current is higher than the original? Are there any tips on keeping my mAh higher than the original?

About Batteries in Modern Apple Laptops
Apple - Batteries - Notebooks
Extending the Life of Your Laptop Battery
Apple - Batteries
MacBook and MacBook Pro- Mac reduces processor speed when battery is removed while operating from an A-C adaptor
Battery University
Apple Portables- Calibrating your computer's battery for best performance
Mac notebooks- Determining battery cycle count
How to Calibrate Your Mac, iPhone, or iPad Battery | MacBlend
There is nothing wrong with your battery. Use it. When it drops below 20% remaining life, then recharge it. There is little else you need to do.

Question About Calibrating a Room for Surround Mixing W/STP

In the past, I calibrated my system with a home theater calbration DVD played back through VLC which supports multi-channel sound which Apple DVD player does not.
I have moved my studio to a new location and since then I have noticed that when converting a 5.1 mix to stereo that the dialog is a little low in the mix. My thinking is that the center monitor's gain might a little high. Its time to recalibrate the room which brings me to my question.
Is it acceptable to take a pink noise file and simply pan it to each of the outputs in STP and then tweak the monitor gains with my SPL meter to that they all read the same?

Yes with some caveats, depending on whether or not you have a bass managed system.
You'll find some good information along with various test files here . . . http://www.abluesky.com/asp/catalogue/catalogue.asp?linkid=143

Question about battery life

Hi everyone,
I got my refurbished MBP 13" mid 2010 model two Friday's ago (July 16) from the Apple online store and I have some questions about the battery life....
Immediately after I got it, I followed all the battery calibration instructions from apple.com/batteries (and did it again after it because I was unsure if I did it properly). While it was charging, I was installing some recommended applications, one being coconutBattery. In the additional information section, it said that my MBP was 7 weeks old, has gone threw 10 battery load cycles, and had a original battery capacity of 97%. I am now at 17 loadcycles, with 94% original battery capacity.
Now to how much time I get with the battery... I have done some testing of my own, such as watching some movies (Tron and Star Trek First Contact, I'm a geek :D), basic web browsing (5 tabs open, reading blogs, watching a couple of 3 minute youtube videos) and listening to an audio book (iWoz) with a tab or two open. The best battery life I have gotten (basic web browsing) was 5 1/2 hours, with 60% LCD brightness, keyboard backlight off, and bluetooth off, with just Chrome and coconutBattery open.
Is this the average battery life for everyone else? I bought this because of its supposedly good battery life, and though I am very happy with my purchase, I just want to make sure that I have a fully working MBP.
Some other notes:
The battery meter next to the clock sometimes says that 98% is fully charged (I think it is just a glitch)
The estimated battery life is between 9-11 hours when brightness is at 30%-40%, airport and bluetooth is off, and keyboard backlight is off when I am doing text editing.
Thanks in advance.
EDIT: Forgot to say I have the 2.4ghz 250gb model.
Message was edited by: trsohmers

My MBP has been plugged in and fully charged for the past 2 hours and everything listed here has been the same, and here is some information in coconutBattery:
Current Battery Charge: 5434 mAh
Maximum Battery Charge:5490 mAh
Current Battery Capacity:5490 mAh
Original Battery Capacity:5770 mAh
Battery-Loadcycles: 17
Age of your Mac: 2 months (I have had it 2 weeks)
Charger is connected: Yes
Battery is charging: No

Question about using new battery in old Powerbook

I have a pre-intel Powerbook G4, and the battery is pretty much toast (lasts about 15 minutes now). I have ordered a new battery for it, and I have this question about using it:
Am I smarter to keep the new strong battery out of the PB most days (as I usually work with it plugged in at home) and just pop it in when I know I will be out surfing on batteries? Or is it just as good living in my laptop 24/7 and only occasionally being called upon to do its job?
Current bad Battery Information below:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 1144
Remaining Capacity (mAh): 1115
Amperage (mA): 0
Voltage (mV): 12387
Cycle Count: 281
thanks folks, Shereen

Hi, Shereen. Every Powerbook battery wants to be used — drained and then recharged — at least every couple of weeks. If you've always used your Powerbook on AC power nearly all the time, and not followed that pattern of discharging and recharging the battery every week or two, it's possible that your use habits have shortened the lifespan and prematurely diminished the capacity of your old battery. Of course it's also possible that your battery is merely old, as a battery's capacity also diminishes with age regardless of how it's used. You didn't say how old the battery is in years, so this may or may not be an issue. I mention it only because it can be an issue.
For general information on handling a battery for the longest possible lifespan, see this article. My advice on the basis of that article and long experience reading these forums is that it would be OK to do as you propose, but I doubt that you'd derive any significant benefit from it. You would still want to be sure of putting the new battery through a charge/discharge cycle every week or two, even if you didn't have a reason to use the Powerbook away from home or your desk, because sitting unused outside the computer is just as bad for a battery as sitting unused inside it. And you should never remove the battery from your computer when it's completely or almost completely discharged and let it sit that way any longer than a day or two.
Message was edited by: eww

Question about battery maintenance and longevity

I have a question about the efficacy of the built-in battery maintenance of the Lenovo Power Manager utility; specifically how it pertains to my W520, if that makes any difference.
With my previous laptop (an HP), any time I knew it would be parked on my desk for a week or longer, I would manually discharge the battery to about 40% and remove it to run the machine on AC power only. This proved to be an excellent practice that enabled the battery to work like new for three solid years. As soon as I stopped bothering with that, the battery life started dropping like a stone.
Lenovo's power manager offers the option to maintain the battery automatically or manually override it to maintain a charge within specific range. But I am wondering: how well this will work in the long run as compared to handling it manually? And how do the two options (automatic and manual range) compare with eachother in terms of maintaining long term?
I currently use the manual setting and keep it between 40% and 45%.

I would put into manual, you have more control. Automatic follows a preset rule, which may not apply in every case or battery model.
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

My iPhone 3GS is arriving soon, Questions about battery.

Hello all. I have both the original iPhone and 3G. I purchased a 3GS and it is about to be shipped.
I have a question about getting the MOST out of my battery.
When I receive the phone, what is the best technique for getting the most out of the battery? Like what I mean is... Should I get the phone, use it all day until it dies and THEN fully charge it? Or should I charge it to 100% right when I get it?
Or does it even matter?
Thanks!

Charge it to 100% out of the box. Then use it until it drains to zero, or close to it, and then recharge and you're good to go!
Doug

Calibrating battery

Hi!
Relative new user and general lurker of this community. I hope my question wont be too annoying.
I have calibrated my battery following the recommendation on http://support.apple.com/kb/HT1490
but I have had always some questions about some of the steps mentioned there:
+3. Disconnect the power adapter while the computer still on and start running the computer off battery power. You may use your computer during this time.+
But if I start the calibration for example at night, and I use my laptop on battery power for ~2 hours, should I shut it off or put it to sleep for the night and resume using it on the morning?
+4. At this point, save your work. Continue to use your computer; when the battery gets very low, the computer will automatically go to sleep.+
I have experienced that my computer warns me of low battery and then shuts off (the light is not intermittent like in sleep mode), is this normal?
+5. Turn off the computer or allow it to sleep for five hours or more.+
If as in my case the computer shuts down when its on 1% battery, should I let it "rest" the five hours before connecting the power adapter?
Also I have experienced twice that after using my computer on power suddenly a *"not charging"* message appears, even if the light is green. I disconnect my power adapter (60 second wait) and connect it back again and sometimes the battery has gone down a lot. I have done a SMC reset.
My battery information:
Charge Information:
Charge remaining (mAh): 5168
Fully charged: No
Charging: Yes
Full charge capacity (mAh): 6642
Health Information:
Cycle count: 25
Condition: Normal
Battery Installed: Yes
Amperage (mA): 3286
Voltage (mV): 12474
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 10
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Current Power Source: Yes
Display Sleep Uses Dim: Yes
GPUSwitch: 2
Battery Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 2
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
GPUSwitch: 2
Reduce Brightness: Yes
Thank you!

Welcome to Apple Support Communities
3. Let it run down until it goes into 'emergency sleep' by itself - ideally do this late at night so you can then leave it overnight discharging more.
4. It will shut down by itself that's correct,
5. Leave it at least 5 hours, I tend toward 7 and generally do this overnight.

Few questions about my new mac book? im new to mac

#1. Im new to mac so i dont know a whole lot about them but today while browsing the web i got a window that opened that said "browse your mac with Mackeeper to clean it and make sure its safe and to optimize your performance" I didnt click on anything but it wouldnt let me exit out i had to force quit my Safari to get it to go away. What is this?
#2. What do i need to do to keep my mac from getting slow and getting viruses? the most i really do on it is typing work, checking email, watching you tube, social networking on facebook, and browsing forums (forums like this where i can ask questions or share my experiences on certain things) if im not doing any of that im on websites like bestbuy or Cabelas or Bass pro shops doing online shopping. Every so often i have to do online research but not often. do i have much to worry about?
#3. Im on my computer everyday what is better for it? Leaving it turned on 24/7 since i mainly use it at home plugged into the wall turning it on in the morning or whenever i get on and shutting it down before bed? or turning it on and off throughout the day as i get on and off?
#4. When the computer is plugged in the battery says it only has a 96% charge.. its brandnew shouldnt it be at 100%? even though so far i havent really used the battery?

1. The popup you received should be ignored, you were wise to ignore it. It is well publicized in other forums. I'd recommend looking over:
https://discussions.apple.com/thread/3029144?tstart=0 for a more thorough explanation.
2. There are zero, none, nada, zip Virus's for Macs so the best thing you can do is simply enjoy it. There is no maintenance that is necessary either, everything you were used to doing with a PC is now in your past! OS X is designed to do daily, weekly and monthly maintenance on it's own in the background usually in the middle of the night. Nothing other than that needs to be done. You can download and install Maintidget at:
http://www.giantmike.com/widgets/Maintidget.html this will show you when these scripts were last run.
3. As for what is best for your computer I'd recommend reading the owners manual that came with it. Because you have a portable it has a battery that needs to be maintained. Please read the following articles on the care of your battery, it needs to be exercised. Leaving it plugged in 24/7 shortens it's life so please read the articles especially the article on calibration.
Batteries , Battery Calibration , Battery Maintenance and Troubleshooting.
4. Also because you are new to Mac's I'd recommend bookmarking and reading the following sites, they're specifically for folks like yourself that are considering or have changed from MS Windows.
Switch 101 , Mac 101, Find Out How Video tutorials
Roger

About the battery charging time.

Hello everyone,
I'm buying a Macbook pro 13 the next week and I have just one question about it.
I've seen a lot of video reviews and unboxing videos in which the owners of the computers turn them on, with out charging the laptop. In addition, when they push the battery indicator button on the left side, the battery seems to be fully charged. So my question is: Do I have to have my macbook all the day long charging itself to get the maximum battery life?
I hope you can understand my question and answer it, sorry for my English.
Message was edited by: Fran93

As long as the AC adaptor is connected the battery will charge if needed. Maximum battery life, however, is dependent upon having the battery fully charged before use. For more info see:
About Batteries in Modern Apple Laptops
Apple - Batteries - Notebooks
Extending the Life of Your Laptop Battery
Apple - Batteries
Determining Battery Cycle Count
Calibrating your computer's battery for best performance
MacBook and MacBook Pro- Mac reduces processor speed when battery is removed while operating from an A-C adaptor
Battery University

Never owned a notebook before, questions about my new MBP

I've never owned a notebook computer before, and I just bought a MBP last week... So far so great, I'm absolutely loving it. I was a PC user and made a very painless switch.
Though I've got a few questions about what my new notebook can do. These questions are probably universally applicable to all notebooks, mac or otherwise, but I've received such positive help from these forums that I thought I'd ask here.
1) What happens when I close the lid? I usually select SLEEP or SHUT DOWN first and wait for the action to complete, then close the MBP. WHat happens if I close it while the action is in progress? Or without selecting anything?
2) When I leave my MBP alone for a while (notebook in the open position), the display dims and then eventually turns off. Is it sleeping? When it's asleep, can I still remote access it (VNC?) If not, is there a way to leave it running so that I can VNC into it, but turn the display off so that I don't run it needlessly?
3) I use it as as desktop replacement, so I spend a good amount of time at my desk. When I'm done with it, I usually shut it down or sleep it and leave it plugged in. Is this OK for the battery, or should I not run the AC power when it's already charged?
4) The MBP documentation recommends not moving the notebook while it is on (???). Does this honestly mean they recommend shutting the system down before getting up from the couch to move to the desk? What about sleeping it, e.g., can I sleep it or close the lid and then move it around?
Thanks,
D

1) If you selected sleep it'll continue to do that. If you selected shutdown or retart then potentially that process can be halted and the system put to sleep right in the middle of it. If restarting or shutting down it's always best to let that finish.
2) Yes, it'll go to sleep and should be signified by the pulsating sleep indicator.
To access it via VNC you will need to send the "magic packet" to wake it first. This however requires an ethernet connection and will not work if connected wirelessly.
3) It's fine, however you should stillstretch it legs on battery. I suggest you use your MBP on average for about an hour per day plus a calibration every 4-8 weeks.
4) They probably mean that but there's no problem with moving your MBP while it's on. Just use common sense when doing so as jolts and shakes can damage the moving parts such as your hard drive. If you moving any great distance it's best to sleep it forst. Otherwise, if you're shuffling on the couch don't worry about it, just don't drop it etc.

Few questions about iPhone 4S

Hi,
Recently I got an iPhone 4S, it is my first new phone in a long time, before this I had an old nokia, so I just have a few questions about it.
I havve read a alot of horror stories about the 4S battery life, mine seems ok, here is what I would like to know
1) How long should a healthy battery last?
2) how long should it take to charge to 100% from 1 or 2%?
On my daily commute I use listen it to music and sometimes user twiiter/facebook. I also get alerted of emails when they come in. So far it has just about lasted just about two days maybe before I had to recharge. Is this about right? As stated above I am coming from an old nokia, which is very dated now but the battery lasted almost a week before I had to charge, so having to charge my phone this often is new to me. My iPhone is really great and I just don't want any problems. I have turned off all extras that I don't need.
BTW are the iPhone 4S battery issues a software or hardware issue?
Thanks

I attempted to read your post, but in amongst all the random, unrelated waffling, I couldn't actually find exactly what your iPhone related question for this "Using iPhone" forum was.
Would you like to clarify? Concisely.

Question about the new Yoga 10 HD+

Hi
A few questions about the new Yoga 10 HD+ which I hope you can answer.
I bought the old model last year. Loved the design and long battery time but a few major issues made me return it.
Somewhere I read that it can't read NTFS over USB so I presume that's the same with an NTFS formatted microSD card?
Can it read exFAT formatted microSD cards?
Anyone observed issues regarding audio over bluetooth?
(I know BT isn't exactly High End HiFi but the old Yoga 10 for some odd reason - most likely a driver issue which nobody cared to fix - sounded *much* worse with quite noticeably distortion while both my phone and a cheap noname tablet I have zero fidelity issues - no matter which of my bluetooth audio devices I tried aptX or not)
So to avoid buying this only to return it too I really would like to see if I can have my questions answered before buying it.
While I love the form factor and long running time the above issues are just two mayor dealbreakers to me. Bad audio quality = no joy listening to spotify, local MP3s etc. No NTFS or exFAT = no large movies.
My old noname android tablet really could use an upgrade so I'm really curious whether this can be it or I should look at the competition and sacrify form factor and battery runtime.
Thanks in advance.
EDIT:
If it's not supporting either NTFS or exFAT on the microSD have anyone tried ext3 and/or ext4?
I mean with Androids Linux roots it should be a nobrainer to support at least when it comes to royalties unlike NTFS or exFAT where there *might* be some issues with Microsoft.
Solved!
Go to Solution.

Thanks!
OK. Seems I should just stay clear of this and look elsewhere
Sony for sure I know support exFAT. I'm usure about Samsung. Odd it seems so hard to find out. File sizes of +4 GB should be taken for granted - it's not 199x anymore...
Oh well. Wonder whether to just go for one from the competition or perhaps just save the money and wait until 64 bit catches on. Rumors is that the next Nexus 8 will be 64 bit... (I really don't expect an answer on this)

Question about calibrating battery

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