Strange battery problem..

I noticed that when i charge my phone overnight and take it off the charger the battery drops from 100 to 99 in less than a minute. This is my second iPhone 4, First one had the home button wiggles and that one never had this battery problem.
Now what i do is after the battery drops to 99 right away i do a hard reset and that seems to fix it, but my question is whats causing it? and is it software or a hardware glitch? and does anyone else have this problem? to be honest i don't want to have to exchange this again its getting annoying at this point everything else is fine and don't feel like going thro the risk of having another problem with a different phone. Thanks all

I try charging my ipod for 4 hours as usual. Then when its done i take it off the as and I turn it on and listen to a few songs for about 6 mins then the screen pops out a short message that says no power please connect to power, but the ipod mini already has full power, then it shuts off in about 20 seconds. I then press a button and it comes up a Apple sign it it shows it has 85% less power then couple mins later the battery indicator goes back to full power but it does the same thing over and over again. Then i try charging it again it does the same thing again. Whats the problem?

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Strange Battery problem while abroad

Hello All
I have a user who has an iphone (were in the UK) and he went on business to the UAE for a week. He was not allowed to take his phone with him to work as it was on an industrial site so he left it in his hotel room. He had a connection to the local carrier but did not use the phone as he was at work all day (approx 8 hours). The phone was fully charged when he left on a morning and empty when he returned to the hotel.
He did not have roaming turned on and had closed any apps in the multitasking bar. When he returned to the UK his battery life returned to normal and he has no issues.

I have the exact same problem.
It started with the occasional shut down when on battery power, now the machine will not run at all on the battery. When starting up on battery alone, the apple start-up tune starts, but is interrupted halfway.. The machine does not start up from battery power and will only run on AC.
In the Power section of About This Mac the Battery Information states:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 4013
remaining Capacity (mAh): 4013
Amperage: (mA): 0
Voltage: (mV): 12528
Cycle Count: 49
The battery is fully charged and seems to charge after I had the battery out for a while. The system does recognise the battery.
I did the PMU reset, did the hardware test (everything OK), even did a fresh install of Mac OS X 10.4.6 with all software updates, installed the battery update and the battery is not the type from the exchange program.
I only bought the machine December 31, 2005 (PowerBook G4 5,8)...
Any clues?
Thanks!
PowerBook G4 5,8 Mac OS X (10.4.6)

Strange Battery problem, keeps switching between 99%/100%

My battery keeps flashing between being at 99% and 100%. The Amber/green light on the power adaptor also keeps flashing green and amber.
What could be causing this. I have all the latests updates as far as i can tell. Anyone have any ideas?
I also did just get my MacBook back from apple. The hard drive died and they replaced that.

hello cameronjmulder,
I had that problem with my macbook previously too. I searched through the forums and i found that the people who had that problem were able to get it replaced (the battery) with apple. I got my battery replaced (with a new one i believe) and it no longer does it. I don't know if there is a fix apart from simply replacing the battery
You should either call applecare or head over to an apple store. Though depending on their supplies, you may have to leave your macbook there for a while. perhaps you can call ahead and ask.

!!HELP!! Iphone4 battery problem, water damaged.

My phone is showing (for example) 27% battery, then turning off, then turning its self back on, then showing 2%,then turning off,then showing 56%,then staying on for a few hours and not going down at all no matter how much it is used.when charging the percent does not increase even after 6 hours on charge then will start going up and down when it turns itself off/on. The phone was dropped in water but was left to dry out and was fine initially. It also says "no sim" sometimes. Is this a battery problem or a problem with the actual phone? everything else on the phone works great, no lcd damage, no mic/speaker/camera problems. It is very strange. Any ideas? Also, the apple service charge of £126, does this cover more than one problem? As the glass on my screen is also smashed, would this be £252 to get both issues fixed?
Thank you for any info you may have,
Alan.

The Out of Warranty fee is not to "fix" issues, it is for a replacement device.

Strange Battery and Startup goings on!

Hi
Ive got an old G4 667mhz laptop running 10.3.9. Recently Ive been experiencing some strange battery behaviour. I seem to get low battery warnings even though the % shows its above 50%. The most noticeable glitch is that I'm often unable to boot up the laptop without it being plugged into the mains - unless the battery has been recently charged.
I'm guessing (hoping) its a battery problem - although I guess buying a new battery will probably be the same cost as the whole machine
many thanks for your help
and a happy new year to you all!

The battery level indicator can get out of whack sometimes I have heard, this I was told happens more if you don't run the battery charge down all the way and just run to half and recharge, run to half and recharge.
Try running the battery all the way down and charging it up a few times. Sometimes it helps things.
That said its possible that your battery is just getting into its latter days and is nearing the end of its service life. (If this becomes the case remember to properly dispose of the battery when its done please)
Some after-market batteries will also give you longer running times then the Apple ones now.
Also this is the G4 PowerMac forum you will probably get more PowerBook related help in the Power Book Forum
--Spire

Sudden shutdown- then strange battery behavior?

About a week ago I was using my 2009 Macbook before I went to take an exam. When I left it had very little battery left (it has given me a warning) but I just shut the top and left, figuring it would go into Safe-Sleep. When I came back, I found that the fan was running very loudly and that the screen was dark. When I plugged in my MagSafe charger, it didn't recognize that it had been plugged in. In an attempt to prevent the fan from burning out, I took the battery out for awhile and then put it back in again... and the fan began to run again. I figured I would let it run for a little while and eventually the fan turned off and a while after that the computer turned on.
Ever since, I've been getting strange readings about my battery from the built-in indicator and my iStat Pro widget. When it's not plugged in, the built-in reader doesn't tell me how much battery is left, but instead lags and then tells me that it is plugged in and "Not Charging"
Right now iStat Pro is telling me that my battery is 29% charged when not plugged in but when I plug it in it tells me that I have 10 hours of charging remaining until I reach 100%.
I'll have this laptop for a year next week, it seems a little early for battery problems of this scale. I swear I haven't dropped it! Anyone have any ideas before I bring it in?

My iBook seems to take a long time (15 minutes) to calculate the battery charge.
A note on the lower right-hand of this page:
<http://www.apple.com/batteries/notebooks.html>
says 300 cycles is the battery design life.

Battery problems - with no usable Apple support nearby

Hi all,
Over the past few weeks, my MBP (2.2 SR MBP) has been turning itself off completely whenever the battery power drops to about 45-50% of capacity. There are still three (or sometimes four) lights showing on the bottom of the battery in these cases, but there just doesn't seem to be enough power left to restart the machine. Only if I plug in the AC adaptor I can restart normally, whereupon the on-screen battery meter still shows around a half of full charge. However, if I unplug the power adaptor, the computer will shut down completely again within a couple of minutes. My cycle count is currently at 54 and my battery health usually shows at around 96-100%
I am currently running Leopard 10.5.5 and 10.5.6 (just updated) with all the latest updates. Another problem is that Apple's local services provider in my area is not very nice, they usually turn your beautiful machines into a mess -.- (i had experiences). Is there any other way around ?
Thanks a lot,
Message was edited by: Linh Nguyen

This is indeed very strange, Nguyen. Your battery seems to be in excellent health according to the figures you cite, though it is a little strange that it indicates that the battery is not fully charged when it certainly appears to be. Usually when problems of the kind you mention occur the numbers indicate that the battery has a heavily reduced full charge capacity.
It may be a good idea to try resetting the SMC - see http://support.apple.com/kb/HT1411 and http://support.apple.com/kb/HT1894
It would also be interesting to see what the relevant "System profiler" results are when the battery is partially discharged, close to the point where you find it shuts down unexpectedly. If the "full charge capacity" especially varies significantly it may indicate an internal battery problem.
Finally you might try checking the actual battery connection terminals. Remove the battery and make sure that both the contacts on the battery and the computer are clean and undamaged. You could clean them with a little isopropyl alcohol if necessary.
If none of these suggestions help at all, then it may be that your MacBook Pro has an internal problem causing excessive current demand - perhaps an internal short circuit of some kind?
You may end up having no alternative other than seeking hardware repair from an authorised Apple dealer, I'm afraid. Is the computer covered by warranty or an AppleCare agreement?
Good luck
Rod

Strange major problem with 975X PowerUp Intel MOBO

I’m suddenly having a strange major problem with a MSI 975X Platinum PowerUP Edition V2.1 MS-7246 Intel socket 775 motherboard. Previously, it had given me no problems at all.
It went like this:
Powered on system in the morning, booting from a cold start.
Hit DEL key to get into the BIOS.
Missed the window and the system booted into Windows normally.
Re-started the system from within Windows.
Hit DEL key to get into the BIOS and was successful the second time.
Hit the ENTER key on the first item “Standard CMOS Features”.
The DATE, TIME and other information was displayed on the next screen, but at this point, the BIOS screen became completely unresponsive to any keyboard input.
The only thing I could do at that point was to power off.
Subsequent power on boot-ups resulted in the system always freezing at the BIOS splash screen after the video card sign-on.
I have switched power supplies, hard drives, keyboards and video cards. I have disconnected everything except the video card, keyboard and one RAM module. I have switched the four RAM modules around and then reduced the RAM to one 256MB module in the proper slot. I even changed the battery on the MOBO, in case it had shorted out and removed and re-seated the BIOS chip. It still halts at the BIOS splash screen.
The BIOS chip can’t be completely dead, because I powered off and pushed the BIOS reset button on the MOBO to reset the BIOS to the factory defaults. When I re-booted, I could tell that it had actually reset to the factory defaults because I had previously set the BIOS to reboot the system on resumption of power and the factory default was to remain off until the power button was pushed, which was now the default.
I’m stumped! All I can think of is to get a new pre-programmed BIOS chip and see if that makes any difference, but I’m not sure this system is even worth the expense with no guarantee of success. Any suggestions on how I might get past the BIOS splash screen or do I for sure have a corrupt BIOS chip?

System specs as per the posting guidelines -
Board: MSI 975X Platinum PowerUP Edition V2.1 MS-7246 Intel socket 775
Bios: Version (can’t recall & can’t check since it won’t go past the BIOS splash screen)
VGA: ASUS EN7600GS nVidia GeForce 7600GS PCI-e 256MB DDR2 (also tried new XFX nVidia
Geforce 210 PCI-e 2.0 512MB DDR3)
PSU: Chiefmax 680W ATX (also tried new OCZ 700W ATX)
CPU: Intel 2.8GHz LGA-775 Core2 Duo Dual-Core Processor
MEM: 4 x Samsung 512MB 1Rx8 PC2-5300U (2GB total)
HDD: Seagate Barracuda 250GB SATA2 (also tried Seagate Barracuda 500GB SATA2)
COOLER: Intel OEM LGA 775 fan/heatsink C25897-001
OC: No
OS: Vista Home Premium 32-bit
I have been through the BIOS reset procedure several times and pretty much as outlined. As I said before, I could tell that it had taken a reset to the factory defaults, because the power on option had changed.

Diagnosing PMU/Battery problems

I have an iBook G4 (1.33mhz) that is experiencing a number of problems I believe to be related to the PMU. These include:
- battery does not fully charge and the indicator will flicker back and forth between charging/not charging when about three quarters charged
- wireless settings and date/time settings are forgotten between restarts
- backlight will randomly shut off (restart will restore it)
- on occasion, the iBook will not startup at all - removing power cord and battery then re-installing will allow startup
My understanding is that the PMU on the iBook G4 is integrated into the battery and there is some small capacitor on the motherboard that will retain settings briefly while the battery is removed/replaced. The PMU has been reset several times (shift-control-option-power).
I seem to recall replacing the battery once, but not 100% sure. The battery shows a cycle count of 299. I am on my third power adapter.
How can I diagnose whether this is just a battery problem vs something more serious? I hate to replace the battery and/or power adapter again only to find something more serious/costly.
Suggestions? Thanks in advance.

Thanks for the reply.
Seems the problem was a third party power adapter I was using. I bought a new Apple-branded 65W adapter and everything seems back to normal now.
The strange thing is that the orginal power adapter was also exhibiting these problems - charge indicator on tip going from orange to green to off - network, date and time not saving, etc. That's why I started using the third party adapter (iGo) which still exhibited these symptoms.

Xperia ZL battery problem

My Xperia ZL have an strange battery behaviour. It started with a crazy battery indicator, for example, sometimes it is showing 75% of battery, then I start to use some app, and the battery drains to 50%, but right after I close de app, the battery shows 63%. So I've never been able to know how my battery is going for sure. Sometimes it is showing 35%, then I just use some app for a few minutes, the battery goes to 15% and suddenly the phone turns off. But when I reboot it, it is showing 30% again.
To charge the phone's battery, I must have luck, because it looks like the phone choose when it would like to charge the battery. The problem turns worst when the battery drains totally. The battery simply doesn't charge, the phone turns on and off constantly. When I plug the battery charger, the LED indicator glows a weak red light, then the "SONY XPERIA" appears, and then the phone turns off, the cycle repeats if I let the battery charger plugged in, back to the weak red light.
Does anyone here had the same problem with Xperia ZL? Does a simple battery change might resolve this issue?
Thank you!

Ok thanks, but if you noticed the second paragraph of my post, I just CAN'T turn on my phone because it's turning on and off repeatedly when I plug in the battery charger. So, the "restarting and resetting" solution is useless to me, because my phone simply won't turn on! Please pay attention to the part I said "The battery simply doesn't charge, the phone turns on and off constantly. When I plug the battery charger, the LED indicator glows a weak red light, then the "SONY XPERIA" appears, and then the phone turns off, the cycle repeats if I let the battery charger plugged in, back to the weak red light."
I will appreciate if someone help me with this case.
Thanks.

Very strange power problem...

Hey guys (and girls ofcourse),
I'm having a very strange power problem with my late 2007 2.2Ghz santa rosa macbook.
Can you guys help me determine what the problem could be?
Here's what happened prior, when the macbook was still working. I got home from work, plugged my adapter into the wall, and it started charging. I left it on the table, and when I came back from the diner table I continued working, but suddenly noticed my macbook wasn't charging anymore. (the orange/green led wasn't lighting up but i was able to work on battery power)
I thought it was the poweradapter, so I went to the apple store the next day to lend one to test it. That didn't work, so it's not the adapter.
So then I started thinking it must be the magnetic DC connector. So I ordered that from the guys at ifixit, (since it's out of warranty) but I replaced it and it's not working.
I don't think it's the logic board, because I was able to continue working until I ran out of battery power. And I also don't think it's the battery connector, because if i'm not mistaking, the macbook can run without battery as well, but mine can't anymore.
Now I can't get any life out of my mac anymore...
Might there be something I overlooked?
Any suggestions are definately welcome!
Thanks a lot.
Timo from Belgium.

Hi Timo,
I think i have the same problem, my mac is not working without battery in it. and it wont charge it.
i wrote a post here http://discussions.apple.com/thread.jspa?threadID=2105648&tstart=0
let me know if you have fixed the problem
thanks

Strange wifi problem on a brand-new MacBook Pro

Hey there, I'm new here. Desperation has got the better of me, and I hope I can get some advice.
So, last sunday I bought a brand new 13" MacBookPro with 2.8g i7 processor and 10.7.2 OS (I can't update to 10.7.4 because System Update tells me the download has been tampered with or corrupted after I waited 2 hours for it to finish, but I'm trying a direct download from the website). Here's the exact product: http://www.amazon.com/Apple-MacBook-MD314LL-13-3-Inch-VERSION/dp/B005CWIZ4O/ref= sr_1_5?ie=UTF8&qid=1340301247&sr=8-5&keywords=macbook+pro+13
Everything is all perfect except for a strange wifi problem. Note that the wifi does not turn-on or off, it doesn't disconnect after 'sleep', it doesn't get less speed, it doesn't constantly leave a preferred connection (once I chose my home wifi it always connects to it no problem). The wifi bar is always full. What is wrong is that the internet is kinda 'glitchy'. The best metaphor I can think of is that it's like a car that has to be pushed down the road before the engine can start. Please, bear with me because this is kinda hard to explain and I'm not good at tech lingos.
One of the symptoms is browsing can get really slow and inconsistent, almost as if the wifi gets turned off in the middle of browsing. For example: if I look something up on Google and then open 5 new tabs, probably only 2 or 3 of those tabs will eventually load while the other two will not get past the long 'http:.......google.....etc etc' address and will eventually show one of those 'error loading page because there's no Internet connection' notice. This happens a lot. Sometimes I have to refresh/retry loading a page a couple of times before it finally loads, then usually everything will get back to normal and I will be able to open multiple tabs with no problem, but in a couple of minutes I would try to open another site and the problem will start again.
So I tried to see how it does with downloading using iGetter. Fortunately I also have a Macbook (white-plastic casing one) and my brother has an old 2006 MacbookPro so I can compare. With those two older Apples iGetter starts receiving data in less than 8 seconds after I click Start, while my brand-new Macbook Pro can take up to 15-20 seconds, sometimes it doesn't even start at all and I have to re-click the start button. But once the download actually starts (on my new MacBook Pro), it downloads like normal, it doesn't stop and the speed is also as good as I can get. Strange huh? Hence, like a car that has to be pushed before the engine starts.
I also tried 'speed testing' from a website with all 3 laptops. On my old MacBook and my brother's MacBook pro, once I click 'begin test' it takes only a couple of seconds of 'ping' before the download/upload speed measurements start, but with my new MacBook Pro (just like with iGetter) it takes up to almost a minute before the measurements start, sometimes it won't start at all and I have to re-start the test.
Well, thanks for reading. And hope you can help me shed some light into this. Because it is really preventing me from really enjoying my new MacBook Pro. And if this is most likely a hardware problem, I'd better get back to the store and try to get it replace or something while it's only been 5 days. *cheers*

Hey guys.. Thanks for the replies. Unfortunately, I bought the MacBook in Indonesia where there are no such thing as an AppleCare. The only option is to leave the Apple product to one of the 'Authorized Apple care centre' and have whoever do whatever to it without guarantee of success. As for returning it and getting a brand new one, I also don't know if there is such a deal here, but that's actually a good idea, will try to go to the store tomorrow. Although, I'm worried that the problem might be with OSX Lion or something and getting a new one won't help.
mark75090, I've tried resetting the router when I first noticed te problem, didn't work though. I've checked my new MacBook's wi-fi (option+click wifi bar) and it says 'PHY Mode: 802.11g', so does my MacBook and the old MacBook Pro. I don't know what those mean though, and I don't know whether or not my router is an N., can you tell me more please.. I have tried with the other two turned off, and only the new MacBook using the wi-fi but the problem persists. I have also tried connecting directly to the router, but as I described, the problem is too subtle for me to notice the difference.
Also, if I create a brand new Wi-Fi connection in network preferences and connect to my router through the new Wi-Fi profile, the problem seems to be gone for an hour or so, then it always comes back though. I have also just finally installed 10.7.4, but it doesn't help either.

Reception / Battery problems with iPhone 3GS after upgrading to iOS 4.2.1

There are major reception and battery problems with iPhone 3GS after upgrading to iOS 4.2.1.
I can not believe that Apple did not test this for major bugs like this one is.
I am a business user and can not effort to have bad reception. Apple wants to gain in the business clients... I never had this with my former BlackBerrys!
I need a reliable phone not a play thing like this is right now, it just needs it to work propely. And if a major bug like this comes along, fix it immediately. After the iPhone4 story, now this...incredible! Going back to my reliable BlackBerry! It just ain't reliable and takes forever to fix a problem.

I have the same issue after iOS 4.2.1 update. I am using iPhone 3GS officially unlocked by Apple. I tried using different SIM cards and both carriers show same problem when using phone in 3G mode. Phone falls back to EDGE mode showing 'E' from '3G' at start. I have reset the phone and rebooted several times and moved to different cell areas in the city just to verify the problem.
I had no such issues earlier. I also have Nokia E71 which shows full signal and has no such issues.
I have posted the bug on apple iphone feedback page. I hope they Apple will fix the problem and test the release properly on all models before releasing to public.

Solved my iPhone 5 Battery Problems: Maybe it can help you!

Hi every one, I saw many topics regarding battery problems with the iPhone 5. I responded to one discussion describing what I did to solve the iPhone 5 battery dying fast on me. So I thought I'd make a discussion here to help out other users with the same problem.
I would have 25-30% drop with in the hour and all I did was text a couple of my friends. I was using an iPhone 4 for the longest time, and on that phone I was able to watch videos, listen to music and use all the other features of the phone. The battery still lasted me the whole day, I was getting worried that I wouldn't be able to use the iPhone 5 the same with out it dying on me fast.
My friend suggested draining the battery and then charging the phone to see if any improvements were seen. I did that and I saw a small change in the battery strength. I drained the battery two more times, and that is when I saw a huge difference.
I use my Phone as my iPod when I work out, and I run continuous music on it for 1.5-2 hours straight, along with sending texts to my friends. In this duration I would only use 15-20% which was a huge improvement from before. I would say that the battery life was on par with my iPhone 4 battery! It is such a relief, now I can use my iPhone 5 to it's fullest potential without having to worry it'll die on me fast.
I recommend other iPhone 5 users try draining their batteries a couple of times before charging as well if they are experiencing problems.
Hope this helps!
Dylan

I would let the battery completely die before I would charge it again. I would keep 3g off and only turn it on if I'm going to use it and turn it off again. Because the phone uses more power for the 3g/4g that the battery dies even faster.
I text a lot to friends so I'm constantly texting through out the day and when I work out continously run music on it for close to 2hours. It would only drain 15-20% of the battery, which really is a huge improvement.
I also use Siri quite often through wifi and it barely uses any battery power. Try letting the phone die until it turns off a couple of times before you charge it. That is what I did before a friend requested doing that after I was getting fraustrated with the battery power.

IPod touch Battery Problems Since iOS 7 was installed last year.

Hello, I've had recurring battery problems with my iPod touch since the iOS 7 update was installed, and I find myself having to charge my iPod touch (5th Generation) a lot more frequently since I installed this update.
On iOS 6, I had never experienced any problems with the iPod touch's battery, as I was able to let the battery drain down completely, and let it charge for 4 hours (recommended). After the iPod touch was fully charged for 4 whole hours, I was able to unplug the lightning cable, and the iPod touch on its own would last a few days to at least a week or two weeks.
On iOS 7, since it saw its general release on the 18th September last year, I have found that the iPod's battery has drained so bad, that it dies too quickly, and when I put the iPod touch on charge, in almost an hour, the iPod touch tells me that it is 100% charged. However, when I take the iPod touch off its charge after it fully charges for that hour, it quickly drains down again.
I have gone through the standard procedure of restoring my iPod touch to its factory settings, and I have seen absolutely no improvement on the battery life whatsoever. I mainly back up whatever is on my iPod touch (I back up pictures, videos and also transfer updates that I have installed for certain apps onto iTunes), though I have seen how some people have backed up the data on their iPod's or iPhones, only they find their iDevice draining so quickly.
Even turning off certain features in the Settings app to improve the battery life doesn't help, as there is almost no difference that solves the problems I'm currently having with the iPod touch's battery.
I recently heard about the free iPhone battery replacement program which is now available, so I'm starting to worry whether I have to pay for a new replacement battery for my iPod touch.
Your help in this matter would be gratefully appreciated.
Many kind regards,
Alex Smithson
Message was edited by: Alex169853

I mainly charge the iPod touch itself for four hours and it still doesn't make a difference. I've had my iPod touch for almost 2 years and since I installed iOS 7, it still doesn't make a difference.
I was wondering, if the article you have provided doesn't sort the problems with the battery out, is there another alternative??
Your help and advice is most appreciated.
Many kind regards,
Alex Smithson

Strange battery problem..

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