Why is my battery showing it's fully charged at 95%?

that's normal. between 95%-100% is considered a full charge. It's to help extend the life of the battery.

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IPad shows it's fully charged at 90%

When I charge my iPad, once it hits about 90%, the battery icon changes to plug, means "Fully Charged". After leaving the iPad plugged in for about one hour it eventually reaches 100% charge.
My question is, why does the iPad show it is fully charged when only at 90%?
Thanks!

drsailer wrote:
Michael,
If I'm not mistaken, charge cycle on an iPad is the same as on a Mac portable computer. 1 charge cycle = 100% discharge. So, 92-100 would only be 8% of a charge cycle. If you charge your iPad from 50% to 100% on 2 separate days, that is only 1 charge cycle, not 2.
You're correct, and I'm remiss in using the same term as Apple does in their literature (which, btw, is pretty good on this topic) without it meaning the same thing to me. I should instead be saying something like charging actions, I.e., the simple matter of plugging in and charging up.
Nominal battery life for the iPad is set at 1000 cycles, as you correctly defined it. Conditions and patterns of use, however, will have an effect on that number. All else being equal, battery life will be reduced when operating at higher temperatures. Batteries which are not stored for long lengths of time before entering into use will have longer lives than those which are.
Another characteristic of these batts are the deposits which build up inside each time a charging current is applied. You can't avoid this happening, it's the main driver of battery life, and .... most significant of all, to me at least .. the fact that the heaviest or quickest buildup of these deposits takes place right at the start of each charging action.
The question then, is whether there is any downside to having multiple charging actions every day, as in perhaps plugging it into a charger whenever it's not in use. My own answer to that is yes, it will have one. How significant? Don't know, and no way to tell without running some long, boring trials. All I can say is that, for me, the advantages in avoiding that pattern of use are obvious enough, even while admitting we are still years away of being able to know if battery life is going to bs the main driver in EOL decisions on our happy little machines.
I agree, though, on the exact battery readout. I was just trying to explain the behavior. And the indicators are notoriously inaccurate.
And will become more so, per Apple and other guidance, if you omit the "monthly run it to empty".

HT201412 My iPod touch 4G won't charge. I charged it and when I took it off charge it was really hot but it showed it was fully charge then when I turn it on the battery was dead and know it won't charge. Please help thanks.

My iPod touch 4G will not charge. I charged it and when I got it off charge it was really hot but showed it was fully charge then when I turned it on again the battery was dead. Now it won't charge. Please help thanks!

Try the standard fixes to rule out a software problem:
- Reset. Nothing is lost
Reset iPod touch: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Restore from backup
- Restore to factory settings/new iPod
if still problem that indicates a hardware problem and an appointment at the genius Bar of an Apple store is in order.
I suspect you have a hardware problem.

Why do my ipad mini never get fully charged? the most is only up to 92percent

why do my ipad mini never get fully charged? the most is only up to 92percent

This seems to be a problem with a few Mini users. Just unplug the charger and then replug. It should then charge to 100%.
 Cheers, Tom

Why does the iphone4 not hold a fully charged battery overnight?

I charged up the iphone4 to 100% last night; left the phone powered "on" overnight - I have done this every night for the past two weeks. But, this morning, the iphone4 showed a very low, almost dead battery picture with a thin red line at the end of the battery. What would cause the fully charged phone to lose all charge overnight, in less than 10 hours?

Two possibilities:
1. The charge level indicator needs recalibrating - discharge the battery completely, then charge it fully
2. Something is running and using power. Restart the phone (Home and Sleep pressed until the Apple logo appears)
There might be a fault with the battery, but these two are more likely

OS X reports %74 keyboard battery for brand new fully charged batteries

I just placed three brand new fully charged 2450mAh Energizer batteries into my wireless keyboard and OS X reports that it is only %74 charged. Previously I had the same result with rechargeable Duracell batteries but using non-rechargeable batteries OS X reports %100 battery when using new batteries. Is this normal?

The reason just may be that rechargeable batteries no matter what kind (ni-cad, HMDS, or Lithium) are 1.2v batteries rather than 1.5v's like Alkaline batteries. That is why the keyboard and mouse instructions state that, "rechargeable batteries may be used." Which implies to me they are not the first choice of Apple. In all probability, the battery level is in fact calibrated for 1.5v batteries.
No matter, rechargeable's will work fine with more frequent replacement. A handy spare set solves the problem.
virg

HT4528 my iphone will not power on - the battery and morphie are fully charged

My iphone is fully charged as is the morphie but it will not power on. The battery strength button on the bottom shows all four lights. I have pushed the sleep/wake button on the top, I have pushed the home button but nothing happens - the screen remains black

Have you tried resetting your device by pressing and holding the Home button and power button until the silver apple appears?

New battery for MBP wont fully charge

I have a new battery for my mid 2011 macbook pro 13". I installed it and since then i have had some problems.
first i installed the battery, it came with 67%, i let the MBP go all the way to the red and shut itself off, thinking this was the best way to calibrate it.
I plugged the mag safe charger in and let the computer charge
come back to it the next day and its at 0%, click on the battery icon and it says battery isnt charging (clearly is)
restart computer and it starts showing the charge, HOWEVER when i click on the battery icon it sill says not charging, but my light on charger is green, my battery icon has the charge look...
I have seen other threads where they recommend a SMC, i done one and it made my monitor go from the wallpaper to a white screen, i let it play out for 2 minutes before restarting it and it was normal....what does that mean?
im in desperate need of some help and piece of mind i didn't just spend top $$$ on a bum battery, and FYI im 2 hours from a apple store so i try to do all my mac work myself, or with this assistance of youtube.
Thanks

It says replace now, but I just bought the battery yesterday.
Battery Information:
Charge Information:
Charge Remaining (mAh):          942
Fully Charged:          No
Charging:          No
Full Charge Capacity (mAh):          4529
Health Information:
Cycle Count:          0
Condition:          Replace Now
Battery Installed:          Yes
Amperage (mA):          0
Voltage (mV):          11188
System Power Settings:
AC Power:
System Sleep Timer (Minutes):          60
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          20
Automatic Restart on Power Loss:          No
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
Wake on LAN:          No
Current Power Source:          Yes
Display Sleep Uses Dim:          No
PrioritizeNetworkReachabilityOverSleep:          0
RestartAfterKernelPanic:          157680000
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
Reduce Brightness:          Yes
RestartAfterKernelPanic:          157680000
Hardware Configuration:
UPS Installed:          No
AC Charger Information:
Connected:          Yes
ID:          0x0100
Wattage (W):          60
Revision:          0x0000
Family:          0x00ba
Serial Number:          0x00f46317
Charging:          No
Power Events:
Repeating Events:
Type:          Wake or Power On
Time:          07:30 00AM every day

My iphone won't switch on. I've tried holding the power and home button more than 30 seconds up to a few minutes but it didn't switch on and went straight to recovery mode. It died of a low battery and i already fully charged it i checked with my itunes.

i really need help here. I have only used my iphone for a month. my iphone won't switch on. it died of a low battery and i've already fully charged it and usually before it even fully charged, it will turn back on right but in my case nothing happened. i've tried holding the power and home button for 30 seconds and up to 2-3 minutes but no logo appear. it went straight to recovery mode. there's nothing wrong with my cable, i checked with itunes and this happened once a week ago but it did switch back on after i tried a few times but now it just won't switch on. i also have problems with my screen as there's some noises to the screen (i hope you get me) and when i turned the camera on, it was as if the whole screen is shaking. i'm currently studying in the middle east and there's no apple store here so i cannot use my warranty. i will only be back home in summer. please help me what should i do to at least switch my iphone on first.

I did a little bit of experimenting. I have an iPad original versions myself. I took it out of the box knowing that I haven used it in months and I expected the battery to be dead and sure enough the battery was as dead as I imagined it would be. For the first 30 minutes I experienced exactly what you are experiencing, but then the iPad suddenly powered up on its own (like it does when plugged into the charger) and I am using it now to type this response to you.
My point is that I am starting tothink that your battery has suddenly died on you for some reason or you have a hardware problem now. I would still try leaving the iPad charge for a while longer - maybe even overnight - and then try again in the morning. Unplug the iPad and try resetting with the home and sleep buttons. Try plugging the iPad in again. Unplug it, try restarting again. Let it charge for a while again.
After trying something like that, if it still will not start up, then I think it's time for a trip to an Apple Store and see what the Apple Techs think.

MB not running on Battery despite it being fully charged

Hi, I have another MB 13" I am working on. Runs fine on AC, but the minute I pull the AC out nothing.
Running Snow Leopard.
I tried resetting the PRAM and resetting the SMC - Nothing.
Anyone know of a quick fix?
Thanks

Hey Jason, many thanks for your help. Below you will find the info requested. I have used another MB to charge the battery, and I also changed the DC Connect Board, and earlier in the day changed the battery Connect cable. Still no luck. Someone suggested calibrating the battery, although I have never heard of that and do not know how to do it, do you by chance?
Here is the battery info, or lack there of. Actually I just noticed the light turn orange and the battery icon is on. Let me give you the before and after info.
HERE IS BEFORE:
AC Power:
System Sleep Timer (Minutes): 0
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 20
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 0
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
Reduce Brightness: Yes
Hardware Configuration:
UPS Installed: No
AC Charger Information:
Connected: Yes
Charging: No
Battery Information:
Charge Information:
Charge remaining (mAh): 0
Fully charged: No
Charging: No
Full charge capacity (mAh): 0
Health Information:
Cycle count: 0
Battery Installed: No
Amperage (mA): 0
Voltage (mV): 0
HERE IS AFTER
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 0
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 20
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 0
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
Reduce Brightness: Yes
Hardware Configuration:
UPS Installed: No
AC Charger Information:
Connected: Yes
Charging: Yes
Battery Information:
Charge Information:
Charge remaining (mAh): 0
Fully charged: No
Charging: Yes
Full charge capacity (mAh): 0
Health Information:
Cycle count: 0
Battery health: Good
Battery Installed: Yes
Amperage (mA): 0
Voltage (mV): 0

Battery reporting it is fully charged when it isn't

Hello,
Read through some of the forum posts last night and this morning to see if my question was answered but didn't really see anything. Here is the issue:
Problem:
Macbook Pro's Battery is reporting that it is fully charged when it isn't. This is displayed on both the Energy Settings under System Prefs and on the On Board Battery Meter. Issue started yesterday afternoon. If I unplug my machine from the charger, it'll last for all of a minute before it turns itself off.
I have tried multiple reboots, system updates and have even gone as far as clearing the SMC, none of these "fixes" worked. I do let the battery cycle all the way down till I get the "Low Power" notification before switching over to the power adapter on a daily basis. I believe that this is a hardware issue on the battery end since it itself is reporting a full charge.
Bought the unit back in February 2008, so I am well within my warranty, but thought I would get some ideas before I head into the store today.
Here is the Power Section from my System Profiler:
Power:
Battery Information:
Model Information:
Serial Number: Sony-ASMB012-3766-2f3
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): 65336
Fully charged: Yes
Charging: No
Full charge capacity (mAh): 65336
Health Information:
Cycle count: 93
Condition: Good
Battery Installed: Yes
Amperage (mA): 0
Voltage (mV): 10519
Thanks for any information you may have on this issue.
Steve Simon

Welcome to the Forums!
Thanks for looking for the answer first - it's tough without the search function (which has been temporarily disabled).
Definitely take it in for service, as a brody suggests.
One side note (and the reason for this post) - you state +"I do let the battery cycle all the way down till I get the "Low Power" notification before switching over to the power adapter on a daily basis."+ This is actually quite bad for lithium-based batteries like the one in your MBP. Nickel-based batteries (NiCd, NiMH) have a 'memory' and need to be used like that. Li-based batteries have no 'memory', and full discharges are actually bad for them. Frequent, light usage is best.
Hope this helps (with your next battery!)...

Why does ios7 not let my ipad fully charge?

Ios7 seems to not let my ipad fully charge... Restart does not help. Any ideas?

Why do you think it is not letting it fully charge? What, exactly, are you seeing?
GB

Battery fail to be fully charged

Hi,
my battery cant be fully charged. It always gets stuck at 75%. Is there anything I can do? I already reset my PMU, but problem is still there.. Is there anything I can do?

You may be affected by this issue. Specifically:
Battery will not charge when computer is plugged into AC power.
As such, the best option would be to contact Apple.
MacBook Pro 2.0GHz, 2GB RAM, 120GB HDD Mac OS X (10.4.9)

I updated my iphone 4 to IOS6.1, battery dies within 90mins fully charged and the phone is buring hot. Pls help!

I have updated my iphone 4 (AT&T 3G) last week to IOS6.1, battery dies within 90 mins fully charged, and the phone gets really hot! What's the fix? Pls help!

Basic troubleshooting from the User's Guide is reset, restart, restore (first from backup then as new). Try each of these in order until the issue is resolved.

My ipod keeps running out of battery even though i fully charged it

I fully charge my battrey and then it lasts for a few mins and then it says i need to charge it again. is there anything i can do or do i need a new ipod?

Hopefully just a new battery.
For information regarding pricing / warranty / battery replacement / express replacement service:
Click here > Apple - Support - iPod - Service FAQ

Why is my battery showing it's fully charged at 95%?

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