Battery Health Fluctuation?

I'm just wondering is it normal for the health of the battery to go up and down in the matter of days with in the first month?  And how is it possible to have the battery health be 101%? Is that good or bad? Thanks in advance.

All perfectly normal behavior.

Similar Messages

  • Low battery health and capacity 4 days old

    Hey everyone,
    I just received my new Aluminum 2.4 macbook 4 days ago and finally got around to calibrating the battery. Out of the box the battery was at 99% health. I didn't think anything of it and thought that the recalibration would make it go to 100 since it was brand new. After recalibration of the battery it is now at health 96% and charge capacity at 3969 mAh.
    I reset the PRAM and the SMC and the readings are still the same. The time left reading fluctuates non-stop and I'm starting to think my battery is bad? Looking around the forums, Ive seen that the new macbooks generally have around 4200 mAh battery capcity.
    Is it enough reason to call apple care and request for a new battery (no apple store near me), considering the computer is only 4 days old?

    The full charge capacity definitely seems a little low at <4000 mAh. I've seen battery health fluctuate, especially at the beginning. Keep in mind, that the 3rd party applications and widgets which read off the SMC aren't always exactly accurate. It's probably why Apple doesn't include a percentage indicator within System Profiler.
    It's worth, at the very least to call into Applecare and explain the situation. They'll be able to better instruction/advise you on what the next best step(s) are for you.

  • Second day with MBP and %85 Battery Health

    Hey guys ,
    I ve just open my new MBP 2.66 and i used it for just nearly 2 days.
    When i see the battery statics , they re like;
    19weeks
    2 cycles
    battery health : 85%
    It is like a joke! Just 2 days and 2 cycles how could it be possible that i ve 85% battery health on my MBP?
    I think that book was made 19weeks ago , but i guess it doesnt have to affect the health of my battery , right ?
    I feel so terrible atm , please somebody tell me that its normal and all MBPs are same at the beggining:)
    What if it is a problem from factory , i ve apple care product on my MBP , Does it include the replacement of battery?
    thanks .

    The battery needs several weeks of use for the battery's reported health to stabilize — it's not being reported accurately before calibration. Even after weeks of use it's likely to fluctuate up and down by several percentage points from day to day and week to week. Now that you've had it for more than a month, you can't return it, and your battery probably won't be considered defective unless and until it shows less than 80% health steadily for a couple of weeks or longer. As long as it's above 80%, you will probably be told it's within specs. So there is *no use at all in obsessing about it* until then. Stop doing so.
    Just use the computer normally for a month or two and see what happens. Don't check on the battery's health every day — that's obsessing. Check on it every two weeks. If it falls below 80% and stays there, take the machine in for battery testing at an Apple Store. No one can assure you that your battery will be found defective. And as I wrote above, it probably won't even be tested if its health is above 80% when you take it in.
    Yes, the 19 weeks is the time since the computer's manufacture date.

  • Battery health 96% with only 18 cycles

    A month ago I bought a brand new unit of the last version of the old 17" model. iStat Pro recognized the battery as new with 100% health. 30 days later it shows 18 cycles and 96% health. To what extent this information is trustworthy? Can I ask for a replacement if that fast aging process continues?

    Don't worry about it too much. My battery's capacity level swings several percentage points even if I check it at different times during the same day. You will probably find that the deterioration rate will not continue linearly, but will stop and even reverse at times.
    Battery readings fluctuate normally because a battery is made up of many cells that all behave slightly differently and deteriorate at different rates. It's hard to accurately track/predict the performance of all of the cells as a group; the number is always more like an estimate.
    Apple has a standard that its batteries should retain 80% capacity after 300 cycles. Apple might not replace the battery until you can show that the battery is going to fall short of it at that time, and it takes about a year to get to 300 cycles.

  • Is battery health normal?

    I purchased my macbook pro 6 weeks ago but the battery health seems to be rapidly deteriorating. according to my istat pro widget, the battery health currently stands at 94%.
    Charge Information:
    Charge remaining (mAh): 1268
    Fully charged: No
    Charging: Yes
    Full charge capacity (mAh): 5128
    Health Information:
    Cycle count: 29
    Condition: Good
    Battery Installed: Yes
    Amperage (mA): 3586
    Voltage (mV): 11797
    i'm wondering if these stats are normal?

    Yes, it's normal. 'Health' typically fluctuates up and down within a 5-10% range (goes down and up in that range). You have nothing to be concerned about.
    If it helps, although I have one of the older removable batteries, when new it dropped from 100% health to ~90% health over the first 30 or 40 cycles. Today, on cycle 216, it's still at 90% health. I've seen it as low as 86% and as high as 96% in recent weeks. So, don't obsess over it.

  • Only 52 cycles and battery health dipping to 73% at times?

    My macbook pro is less then a year old and I lately have been having strange battery health readings. The battery usually lasts a few hours depending on what I am doing with it unplugged. However the health twice now has dipped to 73% and then jumped back up to 89% or 91% and stayed there. Today I checked my battery condition and it said "check battery" but then went back to "good" later that day. I condition the battery regularly.
    Here are my specs:
    Battery Information:
    Model Information:
    Serial Number: Sony-ASMB012-376c-2895
    Manufacturer: Sony
    Device name: ASMB012
    Pack Lot Code: 0001
    PCB Lot Code: 0000
    Firmware Version: 0110
    Hardware Revision: 0500
    Cell Revision: 0303
    Charge Information:
    Charge remaining (mAh): 4796
    Fully charged: Yes
    Charging: No
    Full charge capacity (mAh): 4986
    Health Information:
    Cycle count: 57
    Condition: Good
    Battery Installed: Yes
    Amperage (mA): -1817
    Voltage (mV): 12027
    System Power Settings:
    AC Power:
    System Sleep Timer (Minutes): 0
    Disk Sleep Timer (Minutes): 0
    Display Sleep Timer (Minutes): 30
    Automatic Restart On Power Loss: No
    Wake On AC Change: No
    Wake On Clamshell Open: Yes
    Wake On LAN: No
    Display Sleep Uses Dim: No
    Battery Power:
    System Sleep Timer (Minutes): 0
    Disk Sleep Timer (Minutes): 10
    Display Sleep Timer (Minutes): 15
    Wake On AC Change: No
    Wake On Clamshell Open: Yes
    Display Sleep Uses Dim: Yes
    Reduce Brightness: Yes
    Hardware Configuration:
    UPS Installed: No
    AC Charger Information:
    Connected: No
    Charging: No
    Message was edited by: cooleymtnbiker1

    It's normal for health to fluctuate a bit (mine ranges from 86-96%, and has done that for the past 100 cycles or so). But, your fluctuations are a bit wider than I'd consider normal. Keep an eye on it, and if it dips and stays below 80%, contact Apple before your 1 year warranty expires.
    When was the last time you calibrated your battery? That should be done every 2 months or so.
    http://support.apple.com/kb/HT1490

  • Macbookair battery health problem?

    I recently purchased a mid-2011 Air 13' i5 128gb and after 1 week of regular use, the battery health decreased to 95% (iStatPro and Coconut Battery). The battery life is of 5 to 6 hours doing word processing and Safari. The original stat of the bat was 98% and Coconut says that the battery has incredibly 28 weeks of life...
    Is it normal? Do i have to concern about?
    Thanks.

    Hi, SP Forsythe,
    I finish calibration and the stat is 96% and the current battery capacity rise from 6429 to 6452.
    I`m a little bit relaxed about the "problem" after reading this thread that make sense to me.(https://discussions.apple.com/thread/2090860)
    that says: "There is no problem. Simply do not give the ±5% to 10% battery health estimate any credence. Ignore it. It will fluctuate up and down, and the fluctuations have no significance whatsoever."
    The point is that after spending lot of money in that little thing I don't wanna play with casualties...I'm going to the authorized representative to make a test. I just don't know if I can really trust this guys, after all, it's not good for them to return the product. And the problem looks like not important.
    I don't know, let's see whats happen. After all, thanks for the help.

  • Battery health decreased rapidly after charging problems.

    Hy a few weeks ago the health of my mid 2010 MacBook Pro was still 79% which is normal since it has more than 1000 cycles.
    Then following incident happened:
    My battery was almost discharged, 30% or so, so I connected it to the AC power. After a while I wanted to see how much it was charged but the indicator in the corner still indicated the same 30% or so, only when I disconnected it it changed to something in the 80% range. I used my computer for a while like that and I noticed that the battery indicator was not chaning. Only when I connected or disconnected the AC power did it update.
    I decided to reboot the machine and this solved the problem. I recently noticed however that my battery health now dropped to 63% which seems very much in a short period of time.
    I know that normally charger will deliver less current to the battery when it is near 80% in order to prevent overcharging and maintain battery life as much as possible. I wonder however if the drastic decrease could be because of the power management thinking that the battery was only partly charged and thus delivering to much current to an almost full battery? If this is the case do you think that Apple would intervene for the costs of a new battery? I know I would have had to replace it sooner rather than later but this does change a lot I think. My computer is not in warranty anymore and I don't want to pay 49€ for one intervention. There are also no official Apple stores in Belgium and the authorised resellers really don't offer the same service.

    sweex,
    since your battery has over 1000 cycles and has 79% of its original full charge capacity remaining, Apple considers your battery “consumed”; they will not intervene for the cost of a new battery. It’s entirely your decision when to replace your battery, but irregular charging results are to be expected for as long as you use your present battery.
    If no Apple-authorized service center in Belgium offers the option of changing the battery, then you should let Apple know so that they can find an organization who will do so. I don’t know where you are in Belgium, but this search around Brussels shows seven different Apple-authorized service centers which all claim to service Macs, and the one in Aalst is noted as being a Premium service center.

  • Lost over 20% battery health in Two Days!

    Help! My battery health was at about 88% just two Days ago. I've had my MacBook for over a year now, so that sounded normal-ish. Am I right about that?
    Then Yesterday my Battery shot down to 76% health.
    Today I just checked, and it's at 66% health. I've been having problems with the Xs and so forth and nothing has been working. Do you think Apple will replace my Battery if I call them?
    If I have no chance of them doing that, I mind as well just go out and buy the battery. But sudden drops in health like this, it's very disconcerning. This machine is my First Mac, and we're thinking about buying another one, but with this battery gloom and doom, the last thing I want to do is have to deal with another huge set of dilmenas.
    I've faced Random Shut Downs (Cycle Number Two of those started yesterday. Suddenly when I have low battery the machine just "turns off". Can't even Calibrate my Battery because of this), Dirty Palmrests, Woes of Non-Universal Applications (No PC would ever have Microsoft Word launch so slowly). Sure my Mac is great when it's up and running... On the other hand, so many problems with just one machine.

    I downloaded iStat Pro here: http://www.apple.com/downloads/dashboard/status/istatpro.html
    It monitors all sorts of things: Temperatures, HD Capacities, Battery Capacity/Health, etc.
    I used to have it, then took it off, and put it back on recently.
    Also, I called Apple. New battery on the way.
    Only thing I didn't like about the battery replacement was that they wanted my Credit Card Number on file. Kind of a pretty personal thing to want so Apple can make sure I return a damaged battery...
    Anyways...

  • Best Battery Health not working in Windows 7 after Windows 8 installation

    Hello everybody, I'm having an annoying problem with my G475.
    It came with Windows 7 installed, and the option "Best Battery Health" was working fine.
    Then I upgraded to Windows 8 (fresh install) and installed the Energy Management drivers.
    Since "Best Battery Health" wasn't working on Windows 8, I installed back Windows 7 (fresh install).
    But now, the option "Best Battery Health" is not working anymore!
    It stays checked in the software, but the battery keeps charging until 100 percent.
    I did the "Battery Gauge Reset". It finished and the problem persisted.
    I also tried to change settings in safe mode, didn't work.
    Please help!

    hi kauptman,
    Welcome to the Lenovo Community.
    Just want to verify, have you also installed the following in order:
    1. Intel Chipset Driver
    2. AMD Matrix Storage Manager Driver v1.2.1.210
    2. Lenovo Energy Management v6.0.1.5
    If the apps listed above are already installed, I recommend you:
    1. Drain the battery (use the computer until it prompts you that the battery is low)
    2. Change your power plan settings to Power Saver / High Performance and re-test if battery stops charging at 90% or 95%.
    If the problem still persist, I recommend you restore the unit by using the Lenovo Recovery Disc. If the recovery partition is still intact, click here on how to create a facotory restore dics.
    Hope this helps.
    Did someone help you today? Press the star on the left to thank them with a Kudo!
    If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
    Follow @LenovoForums on Twitter!

  • Cycle 23 but Battery Health 95%

    cycle 23 cut Battery Health 95%
    Battery  Problem  ????

    How old is your Mac? 1-2-3 years old?
    Batteries go bad even if the charge cycle count is low. They only last so long whether they are used or not. The last longer being used on a regular basis but not abused. Using them all the time and or leaving it connected to AC all the time will shorten it life span.
    Use it but don't abuse it.
    Message was edited by: Shootist007

  • Battery Health and ways to bring it up again?

    I've had my MacbookPro for a little over two months now and 31 cycles on it. However, I have already lost 7% battery health, leaving me at only 93%. I'm pretty sure that this is not good, and that the loss shouldn't be this rapid.
    I'm sure it has something to do with the way I use the computer. I leave it on quite often, which I know isn't a good thing, but had no idea that it would drain the battery like this. In some cases the computer is on for days at a time. I've gotten into a routine where each morning I turn it off for the bus ride to school, where I use it throughout the day. The night before it remains on so that I can quickly check things in the morning.
    I currently use my MacbookPro as a semi-desktop. I have it hooked up to an external monitor, and use a wireless mighty mouse and wired keyboard, which is primarily the reason it's on for such long stretches.
    Now that you have some background as to what I do with the computer I'd like to know if there is any way to replenish the battery health, or if that 7% is lost for good.
    I've read up on this calibrating of the battery business, and I'm going to try it this weekend (can't during the week because I need it fully charged for school each day).
    What exactly does this do? Does it actually replenish the battery health or just determine it's actual current percentage?
    I'm using the widget iStat Pro as my monitor of battery health.
    If any other information is required, I'd be happy to provide it.
    Thank you.

    dnovelta:
    use the battery frequently and lightly for best longevity. Apple states "An ideal use would be a commuter who uses her MacBook Pro on the train, then plugs it in at the office to charge."
    Read these:
    http://www.apple.com/batteries/
    http://www.apple.com/batteries/notebooks.html
    Hope this helps...
    Courcoul:
    Full Charge Capacity (which is what the specific battery clocked at the factory when first tested).
    Just a minor correction, but can be significant. Full charge capacity is not "what the specific battery clocked at the factory", it's a nominal value, i.e. a general property of the battery type, not that specific battery. Specific batteries have a range of full charge capacities (when new). In fact, it's not even measured, it's calculated - for the 15", it's a 60 Watt-hour battery (from the specs), and it runs at 10.8 V (printed right on the battery). Thus, with a basic formula (W = V x A), an algebraic rearrangement, and some simple math, 60 Wh / 10.8 V = 5.555 Ah = 5555 mAh (~5500 mAh, which iStat uses as the denominator for "health", although I have read that under Leopard iStat uses 5600 mAh, just a rounding difference). My 17" with a 68 Wh battery calculates to 6296 mAh, ~6300 mAh - my replacement battery actually started with ~6800 mAh in System Profiler.
    Just FYI...

  • How to increase your battery health - anyone with similar experiences?

    this is my very own self made instruction of "how to increase your battery health"
    it is the procedure how i have done it serverall times on my powerbook g4 12".
    my stats: 374 cycles, health 86% (3790 of 4400mAh)
    age of my mac: 57month (battery bit newer)
    **if you to try this: it is on your own risk!**
    **this may not be suitable for mac newbies**
    **be sure to read this twice before you do it once!**
    you will need:
    -a pocket lamp or comparable light (to see anything on your sreen when it is dark --> light from the back through apple logo)
    -coconutbattery (coconut-flavour.com/coconutbattery) or comparable programm to track your battery information in realtime
    -activity monitor
    -cool enviroment (to ensure your fans don't have to work that much)
    -some time and patience
    the intructions:
    step1: load your mac until the orange light turns green
    step2: disconnect the power adapter
    step3: use your mac until 15-25% battery life (track this information in your menu bar)
    step4: slow down your activities. the order of the following actions depend on your usage of your mac:
    __close programms that use lots of cpu/gpu to ensure the fans slow down to 0rpm (!!)
    __turn off everything that needs battery power: airport / bluetooth / speakers / etc.
    __eject dvd or cd
    __close all programms with important data
    __eject idisk / .dmg files in your finder (this is not only a matter of data security)
    __dissonnected from peripherals such as ethernet / internet / mouse / keyboard
    __use lower brightness level
    __open activity monitor to ensure that your hard drive activity is very low, may be you need to close more active programms, close activity monitor when hard drive activity is very low
    __open system preferences >> energy saver preferences >> choose longest battery life
    when your are ready with those actions go on and ensure you are able to connect to power adapter with your mac quickly (be able to charge - don't do it yet!)
    step5: be patient. now it should take some time until your battery level goes down to 3-5%
    now there should be no programm running.
    do not open any programm now!
    do not have a look at your dashboard!
    now your mac should be really quiet:
    -no fans (0rpm!)
    -nearly no hard drive activity!!
    -->> if this not the case break go on with step 11&12, try again in a week or two
    -->> if you are ready go on with step6
    step6: open coconutbattery und use the lowest brightness level
    play with your trackpad to ensure your screensaver won't start. waste time until you are at 1-2% battery life.
    step7: take your lamp and spot through the transperent apple logo, position your coconut battery window somehow that you can see the current battery charge und the maxium battery charge in the spot of your lamp through the apple logo.
    step8: go from the lowest brightness level to the level under the lowest brightness level (a dark screen)
    step9: watch your current battery charge carefully und keep on playing with your trackpad to ensure your screensaver won't start.
    step10: there is kind of battery buffer made of approximately 1% (once when my "current battery charge" was 3624mAh and this kind of buffer was at 36mAh)
    to empty this kind of battery buffer takes much longer as you might expect!
    when your current battery charge turns under this kind of battery buffer, your maximum battery charge should change. hopefully it is higher or stays the same. when it is lower now: i'm sorry - i have warned you. may be you have to go through this 'how to' more carefully!?
    step11: plug in your power adapter before the battery is cero!
    step12: load until the orange light turns green
    step13: if it was helpful do not repeat it more than once a week, better once a month
    -->webcal://www.apple.com/batteries/images/notebook_icalreminder.ics
    (via: http://www.apple.com/batteries/notebooks.html)
    anyone with similar experiences about increasing battery health!?
    (yes, i'm sorry for my poor english, i've tried my best)

    Me too! My battery lasts for 10 minutes. It is awful and I am on my 4th power adapter since they keep breaking too.
    From coconut battery: Maximum battery charge 310mah, original 4400, age of mac 45 months, 140 cycles.
    From system profile:
    Battery Installed: Yes
    First low level warning: No
    Full Charge Capacity (mAh): 310
    Remaining Capacity (mAh): 213
    Amperage (mA): -1205
    Voltage (mV): 11557
    Cycle Count: 140
    I went to an apple authorized retailer and they said nothing I can do if it is out of warranty.. is this true?

  • MacBook Pro 13'' late 2011 battery health problem!!! HELP!!!

    I have a MacBook Pro 13'' late 2011.
    It's this normal? How do I increase my battery health?
    Can I change my battery?

    When did you buy it?
    Do you run it down to near zero % before recharging? Which is a bad thing to do.
    Do you charge it to 100% before you take it off the charger?
    Do you always disconnect the charger once it reaches 100% even if you are right next to an AC outlet. Which is a bad idea.
    Batteries only last so long. Over use it and it will go bad sooner.

  • MacBook Pro battery health?

    I have and early 2011 13" MacBook Pro. The other day, the "service battery" warning came up, so I took it to the Apple Store. The "Genius" there told me that because I do not let my battery die every time I use my laptop, I am mistreating the battery and therefore the battery cannot be replaced on Apple Care. At the time, I had about 295 charge cycles on my almost 2 year old laptop. When I told the tech I didn't know this because I was never told I had to let it die every time I used it, and that they should inform you of that, he snarkily responded "well, when you buy a car they don't teach you how to drive it".
    The man told me to let my computer completely die, and then let my laptop completely charge without using it for several days to "retrain" it, and that AppleCare can only replace a battery that's "in the red". When I got home from the Apple Store, the warning light was gone despite me not touching my laptop at all.
    I did some research and the Apple website, first of all, said it would replace a defective battery if it shows diminished capacity or it's failed, not just failed. I also noted that these batteries are rated for 1000 charge cycles. Also, I saw that the Apple website recommended fully discharging your battery once a month for optimal capacity, not after every use. This is what I already do.
    At the AppleStore, when the tech was running his software I noted that my battery health was about 80.5%. I installed a battery monitoring application from the App Store called Battery Guard and it is telling me I currently have battery health of 78% and 300 charge cycles, so it seems to me that by allowing my computer to discharge/recharge, my battery health is declining.
    Does anyone have experience with this, or advice about what I should do? I'm considering going back to the Apple Store and confronting them with my new knowledge that I got straight from the apple website.

    racazu wrote:
    The "Genius" there told me that because I do not let my battery die every time I use my laptop
    That's the worst advice someone can give you. You don't have to let your computer run out of battery or you will damage more the battery. Instead, I recommend to make full cycles (discharge the battery, put it to charge when you consider necessary and charge it fully).
    Unibody Macs batteries are designed to have 80% of their capacity after 1000 charges. Read > http://www.apple.com/batteries/notebooks.html Something happens with your battery, so take the computer to an Apple Store or reseller to have the battery replaced, more when OS X is telling you that your battery has to be replaced

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