Magic Mouse Battery Level - System Preferences

I put this question up awhile ago but got zero responses...
13" MacBook Pro (mid 2010) with OS X v10.8.3
The Magic Mouse Battery level shows a constant 100% level in System Preferences and then it will suddenly give me the message that Mouse batteries are low. I will then check System Preferences and it will show, what I assume is, the correct battery level of 5%.
Has anyone seen this issue with Mountain Lion? I never had the problem with Snow Leopard. Also, I've tried resetting SMC and PRAM but no change. Any ideas out there?
Thanks in advance,
d

Hello Barry,
Thank you for the reply. I was thinking that I was the only one having the problem since I couldn't find any discussions on it. Perhaps though, I may have not searched the database enough to find anything.
I can't remember having the problem with Snow Leopard; only since I've been using Mountain Lion. I will definitely check out the Might Monitor widget which sounds good!
Do you know where I can get to an Apple page to report this bug? It's not a massive problem but I think it would be fair to report it to Apple anyways.
Thanks again for your help and I look forward to your reply regarding reporting the problem!
d

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My magic mouse battery level indicator doesn't seem to update. I view it under the BlueTooth menu, and can't seem to force it to reset.

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Just wondering if the Magic Mouxe battery level indicator in the Mouse preference pane is fixed in Lion. I can't remember exactly, but I think it broke in 10.6.7 and wasn't fixed in 10.6.8. I'm now using 10.6.8 and it always reads 100%.
Thanks.

It never did work for me in 10.6.7 or 10.6.8. I would use my two Magic Mice (one at home and one at work) until they stopped working and they still said 100%. I would then recharge and they would be fine and still read 100%.
At one point, I put a pair of batteries in one of my Magic Mice that my camera said were out of juice. The preference pane in the Mac OS still said 100%.
Obviously, if you found that the Mouse preference pane in 10.6.7 was working, there is something screwy with my system. I'll be using Lion come Friday and hopefully this will be resolved.
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Why does the magic mouse battery level drop suddenly?

I typically get, oh, about 3 weeks off of a pair of AA alkaline 1.5V batteries on my magic mouse.
What I don't understand though is not really being able to track the battery level in the bluetooth menu on my iMac 21.5".
The battery level even now is at 100%. What happens is is that it stays at 100% for several weeks and then all of a sudden drops to 7% or so, and I get a low battery warning. Then after a couple of days the battery will drain out.
After it drops down to 7% I can usually track the battery drain in the menu. But I never see it at 90% or 80% or 50%, etc. It just drops down suddenly near the end of the battery life.
Do other people see more continuous changes of the battery level?
The same thing happens with my bluetooth Apple keyboard that came with the iMac. Right now it is showing a level of 100%. It typically lasts for months instead of weeks, but I will never see an in-between battery level value until I get a low-battery warning.
I'm thinking of rechargeable batteries for my magic mouse. But I see too many negatives posted here in the forums about that, so I am hesitant about investing in those batteries and a charger if it's not going to work well.
Thanks,
doug

Maybe it's a Mac model issue? I'm running the late 2009 model, purchased in February 2010, and running Lion.
But I've never seen the battery level display in-between values.
Here's what it is showing now and I replaced the batteries over a week ago.
Do your batteries also last a few weeks in the magic mouse?
Thanks,
doug

Magic Mouse battery level always 100%

Hi there,
i recently purchased a Magic Mouse and everything works well exept the battery status level. It stucks at 100% until i have to recharge the batteries. I'm using the batteries that come with the the Apple Battery Charger (http://www.apple.com/battery-charger/).
I googled a bit and saw that this problem already appeared in mid 2011 with 10.6.x but i didnt found a solution.
Thanks for help
Chris

1. Rechargeable batteries are different: the voltage stays practically the same untill the end of the charge, then they steeply fall to "empty".
2. You may have a not too healthy battery (happens sometimes). When the magic mouse or the cordless keyboard do not work well, changing the battery for a new one often solves the problem, even if the battery inside is "full".

Apple Wireless keyboard/Magic Mouse battery levels differ

I have an iMac 27" that my Wireless keyboard came with and a 15" 2.2ghz i7 Quad and go between using both the keyboard and magic mouse with both of the machines.
However on the iMac the new keyboard shows 40% while the MBP shows 67%
the mouse is the same.
Magic Mouse on iMac is 87% and the MBP 100%
a few weeks ago before i picked up the rechargable battery kit from Apple, i had duracell batteries in the magic mouse and it said 100% for weeks straight which never made sense then randomly said there was 6% left and prompted to replace the batteries.
is this a hardware issue with the MBP bluetooth or just some glitch in software?
the iMac is 27" fresh out of the box 10.6.4 while MBP was updated using the 10.6.7 for MBP update.
thanks,

Hi Frank:
The battery reading anomaly is a known problem (began with OS X 10.6.7) and has been reported to Apple through channels. As an aside, I use the mighty monitor widget which seems to give correct readings.
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Hi All i have had this problem since 1 year, also after updating to Yosemite the bug still exists, the battery of the magic mouse is always at 100% until it runs out of juice and it asks to replace battery.
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thank you

1. Rechargeable batteries are different: the voltage stays practically the same untill the end of the charge, then they steeply fall to "empty".
2. You may have a not too healthy battery (happens sometimes). When the magic mouse or the cordless keyboard do not work well, changing the battery for a new one often solves the problem, even if the battery inside is "full".

Magic Mouse Battery Level Always Shows %100?!?

Hi,
I'm using Mavericks and I still have this bug. I tried unpairing and pairing it again but didnt work. Any suggestions?
(Please dont suggect me to use anotuher 3rd party software...)
Thank you

1. Rechargeable batteries are different: the voltage stays practically the same untill the end of the charge, then they steeply fall to "empty".
2. You may have a not too healthy battery (happens sometimes). When the magic mouse or the cordless keyboard do not work well, changing the battery for a new one often solves the problem, even if the battery inside is "full".

Magic mouse battery level never 100%

my freinds bought me the rechargable batteries from the apple store a few months back (like nov 2011) and i fully charge the battery put it into the mouse or keyboard but a full charge is 81%? is this normal?
i downloaded istatpro as i read mention of it in a few threads but that one too says 81%...do i have bad batteries? or is it just the mac not being able to read the battery correctly.
running 27 inch iMac with lion

Actually there may be something wrong, either with the charger or the batteries. I went through the above reasoning when I first started using the recharables but was correctly pointed out on these forums the percentage is based on power, not voltage.
When I charge my Sanyo Eneloop NiMH (of course 1.2v) I do see 100% charge in the display. Some batteries have a high initial dropoff so maybe yours were 100% but dropped off to 81% by the time you read them (unless it was only a few minutes after you put them in in which case my initial statement stands). Continume monitoring. I suspect you will see the drop off at a much slower rate.
Of course "drop off rate" is a relative term. I use my MM heavily so it only takes me an average of 9 days to get the value below 15%.

Wireless Keyboard & Magic Mouse - Battery Power Reporting Problem

Problem Description: OS X Bluetooth Manager is constantly reporting that my 2009 Apple Wireless Keyboard has a low battery. For instance, Bluetooth Manager reports my Wireless Keyboard Battery Level is 18%. At the same time Bluetooth Manager reports my Mouse Battery Level is 65%. Because the Keyboard Battery Level is low I am being constantly nagged by the Bluetooth Manager about Battery Level and the possibility of the Keyboard disconnecting.
I decided to swap batteries between the keyboard and mouse as part of a test to see if there is a problem with the way the keyboard or mouse reports available battery power. Sure enough it appears there is a problem with battery power level reporting.
The batteries that were in the Wireless Keyboard, and that are now in the Magic Mous,e are now reported as having a Mouse Battery Level of 65%, compared to a Keyboard Battery Level of 18%. The batteries that were in the Magic Mouse, and that are now in the Wireless Keyboard, are now reported as having a Keyboard Battery Level of 18%, compared to a Mouse Battery Level of 65%.
Conclusion, either the Wireless Keyboard, or the Magic Mouse, or both devices are incorrectly reporting the Battery Power Level. It may also be that the OS X Bluetooth Manager is incorrectly reporting the battery level of one or both devices as well.
This needs Apple to investigate & fix the issue through updates to either the Magic Mouse, 2009 Wireless Keyboard or the OS X Bluetooth Stack.
I am using Duracell NiMH 1.2V 2000MAh "Stay Charged" Batteries (same as the Apple Store battery version)
I'm running Snow Leopard 10.6.4 + Apple 2009 Wireless Keyboard Firmware Update 1.0 + Bluetooth 2.0.1. Firmware Update.
So Apple Support Techs... there is the challenge; are you up for investigating and fixing this problem??
Cheers Pete

Thanks for the link David. I used the Community Forums because I've found in the past that Apple Support do monitor them and do pick up problems with Apple gear and pass the info back to their developers. Mostly I used the Community Forums because I just couldn't find the link you provided, so thanks again.
ps Apple & Macintosh are one in the same. My Apple Wireless Keyboard & Apple Magi Mouse are actually performing as per the descriptions in their respective user manuals, especially in terms of how they report battery state through their built in LED lights. So I deduced this as a problem with the Mac-mini Bluetooth Stack, so beleive it is appropriate to this forum.
I'm sure other users have noticed this, or similar problems, so perhaps they will add their experience of this issue to my original post. When I did a search of the Community Forums using the search term "Keyboard OR Mouse AND Battery" I found plenty of similar issues.
Thanks again for the link I'll chase Apple through that channel.

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I've come to the conclusion that the problem wt the magic mouse battery usage is not completely that it uses to much power (scrollng seems to kill it), but that it instead warns you way to early about shutoff. When it does shutoff, by just clicking the mouse, it will come back on. If my battery was truly departed, then how could it come back to life, show 5% power, and then operate for literally hours, before going off again. Off course you have to hear that annoying ping, and then have to click on the message stating that your mouse will soon turn off. I love my magic mouse except for this technical glitch. What I would like to do, is write a script, to remove all battery warnings, and possibly make it so the mouse doesn't turn off, until it is truly at 0% power, but I am not very technically oriented.

chillvisio wrote:
Hello Apple Discussions,
I am a brand new Magic Trackapd user (since 13th of August 2010), but I already noticed something strange. My battery power dropped from 100% to 89% for less than 4 days of continuous usage. My trackpad has been delivered with Energizer Alkaline batteries.
Here's my battery life story.
Obviously, days between battery changes depend on use. I started with Alkaline batteries (Duracell) when I got the MT (Magic Trackpad) working. Battery life was about a month on the first set. I use the trackpad exclusively (of my three different devices- Magic Trackpad, Wacom tablet, Logitech S530 wireless mouse+keyboard) now, on my desktop MacPro.
I am now trying the Sanyo brand Eneloop batteries to compare. I didn't even notice the battery warnings until the screen flashed a battery low indicator. I also have been using two Eneloop's in my Logitech keyboard, with I think, excellent results (about three months of constant use, and the charge indicator does gradually falls off in that time until blinking a warning).
When I first inserted the rechargeable batteries their charge level said 83%. So I don't know if the life expectancy of the rechargeables will be close to that of alkaline (which said 98% when first started). Certainly it's more economical to use rechargeables. I use the mouse a lot. I see in this thread that results vary from a week or two to months.
Questions:
Does turning off the Trackpad make a big difference compared with leaving it set unused?
Does a rechargeable give way lower life than an alkaline?
What is the comparable battery life between the types of power sources- Alkaline, Eneloop, NIMH, Lithium?
Is there an app for archiving battery life information on the MT? There is one for the laptop and there is history in Profiler, so it seems there could be a way to get the data. Has anyone done it?
Is the low battery indicator (1.0V??) a false indication?
Henry
about the battery indicator...Message was edited by: HenryS

Magic Mouse battery only lasts 30 days?

I bought my new 21" iMac back in October and today got a message from Magic Mouse that batteries need to be replaced.
What kind of battery life other folks are getting from MM? Is there anything can be done to increase battery life of MM?

Hi Kenichi Watanabe:
Would seem some Apple reference reported the Magic Mouse batteries should last four months. I've only found items that report the reference (have not located the reference itself). Clips below are cross posted, but if you search the Internet for the terms ["Magic Mouse" four months] (without the brackets), you'll find a whole series of early reviews and comments containing the same reference to four month battery life.
Perhaps inquire directly of Apple Care. Gizmodo's review (http://gizmodo.com/5386202/apple-magic-mouse-review ) relays a claim about the Magic Mouse battery life saying, "it's powered by two AA batteries, which get up to four months of use per charge, according to Apple."
Engadget's preview (link follows) included the same reference, the related headline read, "Apple's Magic Mouse: one button, multitouch gestures, Bluetooth, four-month battery life."
http://www.engadget.com/2009/10/20/apples-magic-mouse-multitouch-gestures-blueto oth-four-month/
Finding support for Gizmodo's reference ("according to Apple") and Engadget's headline may be a little more difficult. Perhaps I haven't read the press release carefully enough. Clip below, from that Apple press release:
"Apple Introduces Magic Mouse," press release, 20 Oct 2009, Apple.com (http://www.apple.com/pr/library/2009/10/20magicmouse.html : accessed 24 Nov 2009), in part, "Magic Mouse uses Bluetooth wireless capabilities to create a clean, cable-free desk top and its secure wireless connection works from up to 10 meters away. To extend battery performance, Magic Mouse includes an advanced power management system that works with Mac OS® X to automatically switch to low power modes during periods of inactivity. The wireless Magic Mouse is powered by two AA batteries which are included."
Hope this helps

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Hi s:
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I never shut my BT devices off unless I am going to be away for an extended time. Apple BT devices go into a very low power mode after a brief period of non-use.
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