Concerning devices that store electrical power which can be used to run various devices in the absence of external power.
2
votes
1answer
2k views
How much does it cost to service a MacBook Pro battery?
I have a mid 2009 MacBook Pro and I just got a message saying that I should service my battery.
I tried to reset SMC and NVRAM but the problem persists and I fear I'll have my battery replaced. How ...
2
votes
2answers
177 views
Is there a way to only enable automatic graphics switching when on battery power?
It is rare when I use my MBP on battery power. But is there a way to only enable automatic graphics switching when on battery power?
2
votes
1answer
2k views
MacBook Pro appears to be completely dead and the charger is showing only a very dimmed green light
After doing a suspend I wasn't able to "revive" my early 2011 MacBook Pro.
MBP does not respond to: power, long-power, SMC reset or even battery test button.
the charger is showing a dimmed green ...
2
votes
1answer
330 views
Is using my iPod touch always plugged in an OK thing to do?
I recently added an iPod interface to my Accord: http://www.amazon.com/gp/product/B001JT5G4G/ref=oh_o02_s00_i00_details
It has two connections: the regular Apple 30-pin iPod dock cable which plays ...
2
votes
1answer
226 views
Can I safely use my Macbook battery on another MacBook?
A friend needs a battery for his MacBook and I do not use my own MacBook battery, having changed to another laptop. My battery is fairly recent.
Is it safe to use my MacBook battery on his laptop? I ...
2
votes
1answer
900 views
Does the new macbook air has 1000 battery cycle limit?
I know that since 2009 Apple has been advertising the 1000 battery cycles that'll last for around 5 years under normal use for Macbooks and Macbook Pros. I don't see them advertising it in the new ...
2
votes
1answer
64 views
Any danger to letting a MacBook stay on the charger long-term? [duplicate]
I came into possession of a 2009 13" MacBook Pro. Most of the time, it will be used as a desktop computer - but there will be instances when I will need the 5 hour battery.
Is there any danger to ...
2
votes
1answer
62 views
My Mac 'dies' if it has less the battery level is below 3%
My Mac 'dies' if it has less the battery level is below 3%. Is it possible to force it to hibernate when the charge is at 5%?
I have a Mid-2009 MacBook Pro with 683 load cycles and the latest SMC ...
2
votes
2answers
201 views
First cycle of MacBook battery: runs at 97% capacity, is this normal?
I ordered my brand new Macbook Air with 8 GB RAM and picked up from Apple Store two days ago. However after fully running out of battery for first time, I recharged it to 100% and coconutBattery says ...
2
votes
1answer
164 views
How can I disable CPU throttling on Late 2006 MacBook with no battery?
The problem I am experiencing is that if the battery is not present, the CPU is automatically throttled. I have done some searching and have found that this is apparently by design, "in case the ...
2
votes
2answers
2k views
Is it possible to buy a genuine iPhone battery online? [closed]
I searched for an iPhone 3GS replacement battery on Amazon and while many items claim to be original/genuine, a lot of reviewers still complain that they are not/not as described/do not work well. Is ...
2
votes
1answer
208 views
2007 battery replacement for 15" pro. 85w now 60w? Help!
I'm looking at a replacement battery A1175 for my 2007 15" pro (specs here: http://support.apple.com/kb/SP17), which is listed as 60w. My original battery charger was 85w. Is this going to work?
2
votes
2answers
291 views
MacBook Pro: OS battery indicator doesn't match hardware battery indicator
I recently upgraded my MBP to Lion, and now the battery indicator in the menubar at the top of the screen constantly shows "(Charged)", even when the indicator on the side shows almost empty. Any ...
2
votes
1answer
473 views
Short battery life on a brand new iPhone
Well I got my iPhone 4 about a week ago. When I got it I did several full charging cycles, 3-5 if I remember correctly. And these days an iPhone battery really seemed "unkillable". It was really hard ...
2
votes
1answer
121 views
A good iPhone 4 Battery Extender
I am heavy user of an Iphone4 and often get to the red line. I bought a Battery Extender (cant remember the name of the company) a few month back but it stop working suddenly after a month. what to ...
2
votes
1answer
569 views
Indicates fully charged when not 100%
I recently (less than 1 month ago) purchased a new Macbook Pro 13". Love it so far, but have a question on the battery. It never reaches 100% - usually it makes it up to 96% then the light on the ...
2
votes
1answer
576 views
Service Battery Warning
I have a 13" Macbook Pro (2009) and I randomly get the "Service Battery" warning. I haven't noticed a huge decrease in battery life but the cycle count is at 725. I'm out of warranty, and so I'd like ...
2
votes
4answers
709 views
Retina Macbook Pro now has faster battery drain
I have disabled Hibernation mode and Deep Sleep mode, I also keep the charger plugged in about a week before removing it if I want to go somewhere with the laptop.
I don't know if this is normal, but ...
2
votes
1answer
403 views
MacBook Retina strange system/battery behaviour
I am quite used to the fact, that MacOS X does a lot abracadabra internally to provide the best user experience ever, but I also used to understand all that happens. With my pristine MBPr (3 battery ...
2
votes
0answers
713 views
Macbook Pro Sleep Battery Drain
I have an Early 2011 Macbook Pro (13", basic spec) which since I got it (I only just stopped to think about it) has had a massive amount of sleep battery drain.
When the laptop is on and in-use, its ...
2
votes
3answers
2k views
Does plugging in an iPhone/iPad make a difference to its battery lifespan?
I've been led to believe there's a difference between how a MacBook and an iPhone/iPad consume power: when a MacBook with a fully charged battery is plugged in, its components draw power directly from ...
1
vote
2answers
1k views
Why would an iPhone 4S drops from 100% charge upon unplugging it?
I have notice lately (in last two months or so) after disconnecting my iPhone 4s (with iOS 6) from the charger in the morning after an entire night of charger it immediately drops from 100% to 98%. ...
1
vote
3answers
2k views
Use Goal0 Nomad 7m Solar Panel to charge MacBook Air?
I've got a Goal0 Nomad 7m solar panel. It produces ~7 amps @ <22V DC on a regular day.
The MacBook Air has a 45W charger. The markings on the charger say it runs at 14.5V DC @ 3.1 amps. Unless I'm ...
1
vote
5answers
407 views
I think I have bricked my MacBook Pro, what are my options to get it fixed?
I have been having power issues with my MacBook Pro (late 2007?). The power cable had a dodgy connection, and kept cutting out. This destroyed the life of the battery to the point where it would only ...
1
vote
2answers
868 views
How often should I remove the charger from my rMBP?
I want my battery to remain healthy. I used to charge it full then remove the charger after it's done, then put it back on when it goes down to 10% .. However this is becoming hectic and I was ...
1
vote
6answers
1k views
Is it safe to turn the iPhone 4 off for over a week
I am going away on holiday for a week but don't want to take my phone with me because I'm afraid of running up a huge bill, is it safe to turn the phone off for this long? Or can it damage the ...
1
vote
2answers
323 views
Swollen/pregnant battery on a MacBook (13" aluminium late-2008)
The battery in my late-2008 model aluminium 13" MacBook became extremely swollen in early to mid-2012 after only 283 cycles (as per Cycle count under Hardware → Power), and the button on the ...
1
vote
2answers
386 views
My battery is not charged. The only way to operate is to plug the computer in
My battery says 0% charge, there is no x over my battery icon. The MacBook runs fine on corded power but dies as soon as I unplug. What could be the problem?
1
vote
5answers
3k views
Is it safe to buy MacBook Pro batteries on eBay?
My 15" MacBook Pro 5.1 (late 2008) battery is inflating to the point of nearly breaking the unibody battery cover, so I'm really into replacing it as soon as possible. There are loads of these ...
1
vote
2answers
639 views
What should I do if my iPod keeps saying “Connect to power”?
I have an iPod Nano (6th generation). I bought it 10 months ago. I fully charged it and it started to work. Since then, I left it 10 months without using nor charging. Now, when I connect it to PC, it ...
1
vote
1answer
447 views
CMOS Battery in MacBook Pro 2007
CMOS battery in my MacBook Pro (2007, pre-unibody) has died recently.
I am looking for a replacement, although all I could find so far was only used batteries off ebay.
It says following on the ...
1
vote
2answers
464 views
iPhone 4 Battery Leaked if I Don't Charge to 100%
Related question here.
I find out that when I charge my iPhone, if I don't charge it to 100% before I pull out the charger, sometimes the battery will leak out very fast.
The leak manifested in ...
1
vote
1answer
249 views
How to check if MacBook battery is genuine?
My white MacBook's battery has completely died, so I'm looking for a replacement.
It costs $150 from Apple, or about $70 for allegedly genuine Apple batteries on eBay:
I'm leaning toward this ...
1
vote
1answer
202 views
Would a 2.6 Ghz CPU drain a laptop's battery faster than a 2.3 Ghz CPU?
Apple offers the MacBook Pro with two processor options -- 2.3 Ghz and 2.6 Ghz.
I'm wondering if the more powerful CPU drain the battery more quickly by any significant degree.
(And incidentally, ...
1
vote
1answer
153 views
How to check how much battery each application uses?
How would one check how much battery an application uses from a full charge of 100%?
Are there any applications out there or is this impossible?
1
vote
1answer
3k views
Why is iPhone battery percentage fluctuating at lower levels?
My iPhone 4 (going on 19 months of love) has recently started having a bit of an issue knowing the percentage of its battery it has remaining. I will be using it and it will jump from 31% to 19% and ...
1
vote
1answer
224 views
An ipad app or setting that helps turn off wifi or turn on airplane mode on schedule?
i hope to conserve battery at night. is there an ipad app or setting that helps turn off wifi or turn on airplane mode at certain time? or would it even be better to have an app that turns off the ...
1
vote
3answers
1k views
iPhone 4S with latest update now charges very slowly
My iPhone 4S (iOS 6.1.x) dropped it's charge today. It now is charging very slowly. I deleted my iCloud account to see if that would improve battery life. It still is charging slowly, and has taken ...
1
vote
1answer
607 views
What prevents an iPad or iPod charger from overcharging?
my iPad mini came with this charger and cable. If i leave it charging overnight, what prevents it from overcharging my iPad(is it the charger or the iPad itself)?
I ask because I also own a Dynex ...
1
vote
1answer
908 views
Can a MacBook Air battery be replaced?
I have a MacBook Air which is an awesome computer, however I am curious what my options will be when the battery finally kicks the bucket. Can it be replaced?
1
vote
1answer
230 views
iPhone 4s overheating and suffering from drained battery
So I have this iPhone 4s, which has a serious problem: when doing absolutely nothing with it (it just sits in standby mode) the battery drains from 100% to 0% in about 12 hours or less. Also, it ...
1
vote
1answer
127 views
My new MBP Retina needs to be recharged after 2 1/2 hours
I got my 13" retina MBP a few weeks ago, and used it quite a lot since then. However I noticed that battery drains incredibly quickly, I'm asked to recharge it after 2 1/2 hours of usage.
I'm using ...
1
vote
2answers
2k views
How can I triage a MacBook Pro that won't charge with the LED dimly lit green?
I have an early-2011 MacBook Pro that will not charge. The green light on the MagSafe connector is barely green.
Besides the fact that the system info tells me the battery is not charging, the ...
1
vote
1answer
2k views
MacBook Pro Battery Life Problems - only 2 hours with light usage
At some point in the past 2 weeks, my MacBook Pro (13", early 2011) began running hot and getting poor battery life. The battery life used to last 4-5 hours even when I was using it regularly. Now, ...
1
vote
1answer
200 views
How to get the iPod Nano 5th gen battery health
Is there any way I can get the battery health of an iPod, specifically a 5th gen Nano?
I've done a little bit of googling and I don't think there is a way, but I though I could give it a try here.
I ...
1
vote
1answer
925 views
MacBook Pro battery not fully charged sometimes. Need tips
I'm using MacBook Pro and it will be in charge nearly 12 hours in a day. I set the battery indicator to Percentage, so it is displaying the battery charge in percentage.
The problem I faced is, most ...
1
vote
2answers
320 views
iPhone 4 battery questions
I have had an iPhone 4 with iOS5 for about 6 months.
Is it good to wait for the battery to be almost 0% to recharge it?
Is it good to recharge it to the fullest?
Is it bad to leave the phone ...
1
vote
1answer
238 views
1
vote
1answer
1k views
Can iPods (3rd gen) brick completely if left uncharged?
I have an old 3rd generation iPod, barely used it since I got an iPhone a couple of years ago. I wasn't expecting the battery to hold its charge anymore (I've replaced it once or twice already, ...
1
vote
1answer
508 views
Battery or power adapter problem?
I have a problem charging my battery.
When I plug my power adapter into my MacBook Pro, the power adapter's light turns green (it doesn't change to orange) and my monitor light turns on (which means ...
