Battery life refers to the amount of time that a portable computer such as a laptop can function while powered only by its battery.

learn more… | top users | synonyms

0
votes
2answers
361 views

How can I downgrade from Windows 7 to Windows Vista?

My system came with Windows Vista business install on D partition. My friends told me about windows 7 and I decided to check it out. Since I installed it on my laptop, the caliberation of my battery ...
3
votes
2answers
2k views

On a laptop which consumes more power - cordless mouse or wired mouse?

Which consumes least power from the laptop battery out of the following - a corded USB mouse or a cordless mouse with USB transceiver or bluetooth wireless mouse? I have a laptop running Windows 7 ...
4
votes
1answer
3k views

Calibrating a battery

I have a laptop and I would like to know how to calibrate my battery.
0
votes
2answers
2k views

Asus Eee PC 1001PX netbook: best OS for battery life? [closed]

I am looking for an OS to replace Windows XP Home edition on my Asus Eee PC 1001PX netbook. The most critical issue for me is battery life. I would like to use Ubuntu Netbook Edition, but heard that ...
0
votes
3answers
225 views

Doubt about laptop batteries [duplicate]

Possible Duplicates: Is it better to use laptop on battery or on AC power? What is it that kills laptop batteries? I've heard that using a laptop computer on battery mode on a regular ...
0
votes
2answers
13k views

How can I fix a laptop battery that won't fully charge?

The battery in my laptop (a Gateway EC13N01i) won't charge fully. The charge meter seems to be stuck at 92%. How can I fix this? Please provide step-by-step instructions.
8
votes
4answers
4k views

Is it a bad idea to keep a Macbook pro always on? [duplicate]

Possible Duplicate: Is it better to use laptop on battery or on AC power? I never turn off a macbook pro I've at home. It's always connected with the power source, but with the lid closed. ...
4
votes
2answers
2k views

How much does having Aero on affect battery life?

Just started using Windows 7. Aero makes thing look pretty but it doesn't have any pragmatic purpose does it? I was wondering though, I haven't noticed a performance effect, but does Aero have a ...
1
vote
5answers
756 views

Myth or Fact: Graphic heavy/sound screensavers use more power than a blank screen?

So, is this true? Screensavers with graphics and sound effects will drain the power more quickly, whereas a blank screen will conserve power. And if it is true, how much more battery power/time ...
0
votes
1answer
894 views

Should I turn off my Bluetooth mouse at night?

Should I (in order to preserve battery life) turn off the Bluetooth mouse at night? Or does it not consume any significant amount of power when it is not being kicked around anyway? Or maybe goes to ...
0
votes
1answer
550 views

Best usage for a laptop being used as a desktop without removable batteries

After reading the information on http://batteryuniversity.com, I realize that one of the best ways to permanently damage a lithium ion battery is to use the battery at a high temperature while it's ...
1
vote
0answers
104 views

Some questions on laptop battery [duplicate]

Possible Duplicates: What is it that kills laptop batteries? Do newer laptop batteries still need to be drained before recharging? Is it better to use laptop on battery or on AC power? ...
1
vote
1answer
1k views

Battery level stuck at 6% - How do i reset?

After reinstalling windows on my laptop, my laptop battery appears to be stuck at 6%. I dont think its very realistic, because i can still run it on battery for ages after i unplug it and no matter ...
4
votes
3answers
5k views

Battery life with i3 vs. i5 vs. i7

I recently purchased a laptop with an i7-640m processor (blinded by a discount), and my battery life is fairly horrendous: the manufacturer given battery life is 6 hours (I know, it's an upper bound), ...
3
votes
3answers
7k views

Software to show battery life of laptop? [duplicate]

Possible Duplicates: Find time to charge in windows 7 How can I always display the remaining battery time on the Windows 7 taskbar? What is a small, free piece of software I can use to ...
4
votes
1answer
20k views

Low battery notification doesn't show up in windows 7

On my Lenovo Y410 model laptop I've installed Windows7. Earlier I used to have Windows XP. In XP I used to get low batter notification when my battery reaches 10% life. In Windows 7 I've even set the ...
3
votes
1answer
4k views

Which Linux distribution is best out of the box for battery life on netbooks?

I've been using Ubuntu for the past four years, but I recently bought a Dell Mini 1012, and while Ubuntu 10.04 is wonderful in every way, it is giving me quite poor results in terms of battery life, ...
1
vote
1answer
131 views

Is there a way to get persistent battery charge data?

I have a laptop with Ubuntu 10.04 and would like to know if there's a way to get persistent battery charge data. The current setup erases the battery charge data (available visually via gnome battery ...
2
votes
1answer
294 views

Can I improve the usage time of my Li-Ion battery?

I am using an Acer Aspire 3683 laptop, which is about to complete its 3rd birthday! It's working good but i have been contemplating over this question for quite some time before i thought of posting ...
14
votes
4answers
6k views

Laptop Battery Technology

My laptop battery has finally taken the plunge and I'm looking online for a new one. However I'm getting lost in all of the specs of the batteries that are out there. I'm looking to gain a better ...
21
votes
8answers
983 views

What are some good practices for making sure my laptop battery serves its full life?

Basically, I'm looking for some do's and don'ts. Is it bad to keep my laptop plugged in when I'm not using it (majority of the time)? Is it bad to plug it in once I've finished using it (with it ...
1
vote
2answers
128 views

How does one guarantee that the Lithium Ion Battery hasn't sat on a shelf for a long time?

Lithium Ion batteries being the milk of batteries that they are; I was wondering if there is any way of obtaining a guaranteed fresh carton of power with an expiration date so one can tell if they are ...
2
votes
4answers
1k views

Is it okay to leave my laptop plugged into an adapter even if it says 'not charging'? [duplicate]

Possible Duplicate: Is it better to use laptop on battery or on AC power? I recently bought a new Samsung R480. It's capable of handling games pretty fairly cause of the nVidia GeForce 330m ...
1
vote
4answers
117 views

And then my battery died

I have a Macbook Pro whose battery has recently dropped from 3 hours of charge to 1 hour. Is this the actual way for batteries to die? I thought that it will hold regularly less and less, but not ...
3
votes
1answer
383 views

Does dirty power shorten the life of a laptop battery?

I have a two year old laptop that has spent most of it's life in a third world country where the power is very dirty*. Does the dirty power shorten the life of the battery or will it have no effect? ...
2
votes
1answer
614 views

Effect of 7200 rpm hard drive on MBP battery life?

I'm planning on buying a new 15" MacBook Pro and I'm deciding whether or not to stick with the default 5400 rpm drive, or to upgrade to the 7200 rpm drive. The performance boost is nice, but the main ...
0
votes
2answers
60 views

Does the battery get used at all when playing songs on it from the computer?

If the iPod is connected to the computer, it will start to recharge. I was wondering if playing songs on the ipod from the computer causes it to use its battery a little, so that the iPod is being ...
2
votes
1answer
1k views

Why doesn't my new laptop estimate how much longer it can run on battery power?

Why doesn't my HP Mini 210 netbook display an estimate of the amount of time it can run on battery power? My only previous laptop (an old Dell Latitude D600) could do this. I downgraded the HP from ...
2
votes
2answers
2k views

How do I stop my laptop running Windows 7 from going into sleep mode when on a low battery?

I'm having problems with my battery so I'm trying to drain it completely inorder to re-calibrate it. Its been acting very strange. At time shows that I have only 29 mins left and the next moment it ...
1
vote
1answer
2k views

Does the MacBook Pro backlit keyboard impact battery life?

Hey, quick question, I love the backlit keyboard feature on my MacBook Pro (13", just in case it matters) and tend to have it on half-way even when it's not that dark. However, I have no idea how much ...
0
votes
2answers
5k views

Turning on Airplane Mode on an iPod Touch [closed]

After I upgraded to iOS 4, there is an Airplane mode in the Settings on my 2nd generation iPod Touch. Will turning on Airplane Mode improve its battery life noticeably?
6
votes
5answers
9k views

Battery charge suddenly drops from about 25% to 6%

I own a Lenovo Y500 series laptop. The battery being an year old lasts only 1 hour. But the strange thing is that, when the charge comes down to 25-20 it drops to 6%(critical battery level) in a ...
0
votes
1answer
514 views

Ubuntu app to keep track of battery life

I'm running ubuntu on my netbook, and I wanted a simple piece of software to keep track of how long the PC manages to stay on while on battery power. It could be something that automatically kicks in ...
2
votes
7answers
22k views

Why is my battery life running out so fast in my laptop?

I have a Fujitsu Siemens v5535 Esprimo Mobile. The battery drains fast even though I just bought a new one. What could this be attributed to?
2
votes
2answers
3k views

Acer Aspire One — strange battery problem, charges only up to ~90%

I have this strange problem on the acer aspire one d250. It happened already once before, stayed for about two weeks, and then "fixed itself". The problem is as follows: the battery can't seem to get ...
0
votes
3answers
316 views

When to use laptop battery? [duplicate]

Possible Duplicate: Is it better to use laptop on battery or on AC power? When laptop battery is fully charged, what is the best for battery life : use the battery or to use AC adapter (in ...
1
vote
1answer
423 views

Can I replace battery of My HP Pavilion DV6 2020e notebook to work for 3-5 hours?

I bought HP Pavilion DV6 2020e notebook from 6 months and i found that its battery last for max 70 minutes and i contact hp support and they told me that this model can last for max 90 minute ...
2
votes
1answer
2k views

Toshiba Qosmio: Battery Stuck at 60%, does not Charges, PC can't power up, can't remain on with out AC adapter

Just like the tittle says, now let me try to give some more detail about the symptoms; The battery is stuck at 60 percent (68% at the moment of this writing).When hovering over the battery icon in ...
2
votes
3answers
396 views

Battery on or off while running the laptop on electricity? [duplicate]

Possible Duplicate: Should laptops remain plugged in when their battery is 100% charged? I have an HPcompaq nc6400 but I don't have much information about batteries.when I'm home I run it ...
2
votes
6answers
624 views

A list of 'best practices' for extending the life between charges of a notebook battery

I'd like to compile a list of best practices for getting the most out of a single charge of a typical notebook battery (be it Li-Ion or Li-Poly). Sources would be great as well. I've heard, for ...
5
votes
1answer
851 views

Any tips to extend battery life under 'Bootcamped' Win 7

I have a late 2008 MacBook and have recently installed Windows 7 via Bootcamp. Under OSX I can get about 4 hours of web browsing and general usage but under 7 that is slashed to about 2 hours. I ...
2
votes
3answers
1k views

Turn off additional cpu cores while on battery

I'm currently an running a quad core processor on windows 7 and was wondering if there is a way to turn off unneeded cpu cores while I'm running on battery to extend battery life it would be nice to ...
6
votes
2answers
3k views

Does it save battery to have your desktop background set on a dark color?

Do you think that a laptop consume less power when the color displayed on the screen is darker ? (And even less when the color is totally black) ? I don't mean reducing the brightness or contrast ...
1
vote
4answers
955 views

New Macbook Pro battery

What kind of batteries are used in the new Macbook Pro? Should the battery be periodically fully discharged? What are the best practices for this battery?
2
votes
1answer
405 views

Laptop battery liftime from Dell specs?

Question: When I buy a Dell Laptop, I get the following choice for battery: (Lithium-Ion main battery with X cells and Y Wh [included in price/at additional $] Lithium-Ionen-Hauptakku mit 4 Zellen ...
1
vote
2answers
366 views

Vista Low Battery Life Notification Application

I am looking for a program that will minimize all open applications and display a pop-up box saying that the battery has reached a certain level or percentage... Has anybody heard of such an ...
6
votes
3answers
29k views

Re-calibrate Toshiba battery meter with Windows 7

I have a Toshiba U300 laptop. Back in the olden days (circa-2000) you could re-calibrate the battery meter from the BIOS when your battery was no longer reading accurately. My battery was shot, so I ...
52
votes
6answers
18k views

What is it that kills laptop batteries?

There are many superstitions on what you must never do lest your battery become worthless - and by worthless I mean hold about 16 - 24 seconds of charge. This has happened to every laptop I have ever ...
0
votes
1answer
905 views

Lenovo (T500) battery manager

First of all, sorry for asking 2 questions on one day (the two are totally unrelated). I've got an extended brand Lenovo battery and a Windows 7, with the Lenovo made power manager for Windows 7. My ...
2
votes
8answers
1k views

Real battery life numbers with Asus EEE 1000H?

I am looking to buy a netbook with the longest possible battery life. There are many questions dealing with the topic of battery life in netbooks, but very few replies contain precise numbers. So, my ...