Concerning devices that store electrical power which can be used to run various devices in the absence of external power.

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2
votes
3answers
2k views

macbook pro absurdly small battery life

My Macbook Pro lasts me about 1.5 to 2 hours max on a single charge. This feels ridiculously low. What can I do to increase the battery life on Macbook Pro? Battery Information: Model ...
1
vote
1answer
422 views

iPhone sending a lot of packets addressed to weird destinations, draining battery quickly

I have a jailbroken iPhone. Recently, I have realized that its battery usage is abysmal. Suspecting that it has something to do with the radio, I downloaded Data Counter from Cydia to check real-time ...
2
votes
3answers
295 views

iPod touch bad battery performance after updating to iOS 4

Hey, I own an iPod touch 2g which worked great until I updated to iOS4. After I did the update, it takes just a few hours for the battery to run out. Even if I´m not doing anything with it. I noticed ...
2
votes
2answers
474 views

How Many Hours of Game Playing can Iphone 4 Support?

iPhone 4 supports: up to 6 hours of 3G up to 10 hours of wifi But how many hours of game play can iphone 4 support? I've been playing Angry Birds recently and it seems to me that the iPhone can ...
3
votes
1answer
4k views

iPhone battery symbol is red, doesn't acknowledge charging, but is apparently charged

I have an iPhone 3G, When I plug in the charger, the big red battery on the locked screen is red, low and doesn't appear to be charging. When I unlock the screen, the small battery symbol on the ...
4
votes
1answer
902 views

iPhone 3GS battery oddities

I bought a 3GS in August 2009. After about 9 months I started seeing occasional precipitous drops in battery level overnight (i.e. from 50% to "dead", as in all you see is the red "charge me" icon). ...
3
votes
2answers
465 views

What is Best Practice when storing MacBooks for over a month?

We have a pod of 30 MacBooks and MacBook Pros that don't get used over the holidays. What's best practice to store the laptops for 6 weeks? I know that when you store laptops for long periods at ...
11
votes
2answers
5k views

Should I avoid booting my MacBook if it's really cold?

As the title says; if my MacBook has been exposed to minus degrees, should I wait for it to reach room temperature before I boot it or am I just paranoid and have nothing to worry about?
10
votes
3answers
11k views

Why does my MacBook Pro die without warning?

I have a MacBook Pro (about 18mts old) which has recently started to inexplicably die without warning. I'm running it on battery and, yes, it's getting close to the bottom end (between 10 and 25%). In ...
3
votes
2answers
3k views

Any Problem in Letting iPhone 4 Battery Drop to 0?

Is there any problem if I let my iphone 4 battery drops to 0%? I remember for older smartphones, once your battery flattens out all your data is lost, because they are stored in memory. While I ...
5
votes
1answer
953 views

adjust battery-warning-level of magic mouse

How can I adjust the level at which Mac OS warns me about the battery of my magic mouse? I always have a lack of batteries, so I would prefer if the battery warning comes up at 15 or 20%, so I could ...
0
votes
3answers
4k views

What is the best iCharger that charges from AA batteries? [closed]

I will be leaving on a vacation soon to a place where there are several days between power outlets. What charger should I use to charge/run my iP(ad/hone)?
11
votes
2answers
4k views

Should I use the adapter or the battery?

I want to know when my MBP's battery was fully charged it's better to unplug my adapter and use my battery power or still let use adapter power? I somewhere read that when MBP's battery was fully ...
3
votes
1answer
729 views

The Battery Life Span of iPhone 4

I found that actively using my iphone for 30 minutes will take out 5-7% of the battery. Is it normal?
7
votes
2answers
3k views

Why is my battery time so much shorter after jailbreak?

I've been impressed with the better battery time of my new iPhone 4 as compared to the 3G I had before. Yesterday evening, I finally jailbroke the 4, and the battery time today has been much worse ...
2
votes
1answer
737 views

iPod Nano battery loses charge when it's cold

My fourth-gen iPod Nano has very recently started to completely lose its charge when I'm outdoors (currently it's a bit colder here, about 10°C / 50°F). Indoors, or when it's warmer, it still manages ...
17
votes
3answers
14k views

Why does GPS on the iPhone use so much power?

I keep reading in articles that GPS on the iPhone, or any cell phone for that matter, uses a lot of power, but I've never heard an explanation of why. Why is this? The phone doesn't have to transmit ...
4
votes
1answer
472 views

High volume battery for MacBook Pro

Can you advise me of where or if it a high capacity battery exists to replace my pre unibody battery on a MacBook Pro?
8
votes
2answers
589 views

Battery warning ''Service battery"

Battery warning "Service battery". This warning have appeared in my MacBook Pro (2008) with Snow Leopard. Is there a way to find out what a reason of this warning, without apply to service centre?
1
vote
1answer
826 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 ...
1
vote
1answer
759 views

Apple Battery Charger - does not charge to 100%?

I have recently purchased the Apple Battery Charger and immediately charged the batteries that came with it. A few days later (3 or 4) I placed the batteries into my mouse and noticed that they only ...
1
vote
1answer
106 views

iPod energy saving

I wonder if there is a difference in battery consumption between these two cases : I shut down the iPod with no app on. I shut down the iPod with an app on. Is the app really paused, or is it ...
8
votes
5answers
10k views

How can I make my first generation iPad's battery last longer?

What are some of the things I can do to make my iPad (Wi-Fi) battery last a long time once it is charged? I have the first generation iPad and run iOS 3.
5
votes
1answer
2k views

What is the best way to recharge an iPod Touch battery?

I wonder how to handle the recharging of my iPod touch ? I've heard that there are some actions to have to be done regularly or actions that arms the battery (like memory effect etc...)
31
votes
3answers
88k views

Can I safely charge my iPhone 4 overnight on a regular basis?

First time caller, long time listener: I've seen this question asked on a few other sites but with no "definitive" answers. The Apple website on iPhone batteries is ambiguous, at best, and the ...
8
votes
10answers
26k views

How long should my MacBook Pro battery last?

I have brand new Macbook Pro (15", i5 2.4GHz, 4Gb RAM) purchased at the end of May 2010 and Apple advertises up to 7 hours of wireless web battery life, however I consistently getting only about 4 ...
3
votes
4answers
1k views

How do I stop iOS 4 from draining the battery of my 2nd gen iPod Touch overnight?

Every since "upgrading" my 2nd generation iPod Touch to iOS 4, it seems to lose power overnight (when not plugged in). What can I do to fix this? I have tried a restore and that did not work. Seen as ...
12
votes
3answers
4k views

Is it safe to always leave a Macbook Pro on?

I have an external monitor, keyboard, and mouse connected to my Macbook Pro. I have the lid closed and have it running. I run it as if it were a desktop PC, always on. I only shut off the LCD ...
7
votes
10answers
6k views

How long should a 2007 Macbook battery last?

My girlfriend's battery won't last 1 second, so it obviously needs replaced. But I just bought a new battery from Apple a few months ago and it seems to discharge extremely quickly. Are there any ...
4
votes
2answers
342 views

Strange loading screen when MBP battery dies and reboots

I have a 2007 Macbook Pro and for nearly two years, the battery has been toast. In April, Apple replaced the logic board. Since the repair, whenever the power cable comes loose, the MBP shuts off as ...
4
votes
1answer
571 views

Alpine CDE-102 keeps iPod awake until battery drains

I have an Alpine CDE-102 w/iPod cable (professionally installed) with which I use with an old 5th gen iPod Video 30gb. My goal is to just leave the iPod in the glove compartment and only remove it ...
6
votes
2answers
173 views

How can I increase battery life with iOS 4?

Since I upgraded to iOS 4 on my iPod touch second generation my battery life is draining very fast. Is there anything I can do to help with that?
14
votes
4answers
4k views

Can iPhone battery apps actually prolong battery life?

I've seen a few apps that claim they do some kind of conditioning/deep charge/other jargon to extend the life of an iPhone battery. Is this just hokum or do I really need one of these apps to maximize ...
6
votes
3answers
855 views

Is there a battery conditioner for an iPod touch?

My iPod Touch's battery is not performming as well as it should. I've had it for a while. Is there such thing as a battery conditioner that might help get the battery performance better?
6
votes
3answers
173 views

AppleCare for iPad

I just picked up an iPad and the sales "specialist" was completely unconvincing for me to get the AppleCare extended warranty. I realize the iPad is fairly new, so not a lot of failures yet, but I am ...
9
votes
3answers
211 views

What is the procedure for replacing the battery on an iPhone?

What is the procedure for replacing the battery on an iPhone?
5
votes
2answers
283 views

How do I show a percentage battery indicator on the iPhone?

How do I show a percentage battery indicator on the iPhone?