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

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767 views

Battery management of a Macbook

I bought a Macbook Pro last week. I mostly use (and plan to use) it like a desktop with an external monitor. I use the system at least 15 hours a day. Now using the coconut battery application, I ...
2
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3answers
78 views

How can I ensure a longer life for uninstalled batteries?

I picked up a few HP TouchPads for me and the family over the weekend, but I want to be prepared for the future. I would like to buy a couple of batteries now so that I can replace them myself when ...
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4answers
3k views

Fastest way to drain battery

I'm using Mac OS X 10.7.1 on a Macbook Core 2 Duo. What's the fastest way of draining the battery without crashing the system and preferable by using some sort of a script?
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3answers
288 views

MacBook has started shutting down when at 5% battery

This is new, just started this month: Usually it would last until 0%. For a few days it had been shutting off at around 4%. Last night it shut off at 5%... really hope tomorrow night it's not 6% and ...
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1answer
421 views

Will the laptop trigger critical battery action if I set critical battery to 0%?

If I set critical battery to 0%, does it mean that even if I have Hibernate on critical battery, the laptop will simply ignore it (since at 0% it is does not even have the power required to do a ...
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1answer
198 views

New Laptop Battery

My laptop battery recently decided to kick the bucket, so I bought a replacement. I charged the replacement for approx 4 hours and assuming it was fully charged (only took my last batt 4 hours) ...
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4answers
241 views

Battery Life Preserving - Should I Use Laptop's Battery In 34 Celsius And Always At 40%?

I want to know if using battery at 40% in temperature 34 Celsius would degrade battery life fast. Maybe i should consider buying cooling pad? Will this help preserve battery life?
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2answers
1k views

What Is the best way to connect or disconnect a Laptop from power? [closed]

While connecting/disconnecting laptop's power connector seems to be convenient, I am concerned about person's and laptop's safety of doing it this way. Somewhere I read that connecting/disconnecting ...
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3answers
3k views

How to revive laptop battery

I've an HP dv6-2190us laptop, usually I use it with power adapter connected while battery is removed. I bought it 14 months ago and I'm sure that the battery hadn't reached its charge cycle, but it ...
2
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1answer
198 views

What to look for when investigating problems with horrible battery life (Ubuntu Linux)

I've got an Ubuntu 11.04 installation on a brand new HP dv6t laptop. When I pull the charger plug, the system knows that it's on battery and seems to apply the power management rules I've got set up. ...
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4answers
4k views

How can I identify which application is responsible for my battery life being short?

My laptop is getting much shorter battery life than advertised, and obviously that's going to be due to some code running that's draining it faster than is optimal. How can I (using Mac OSX 10.6) ...
3
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3answers
556 views

How do laptop battery voltages affect runtime?

I ordered a new battery for my faithful XPS M1710. I'm not sure of the voltage of the battery I have now, but the new one that the Dell rep got me (after 3-4 times confirming my phone number and ...
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1answer
772 views

Preparing to use new laptop battery

I have received a new laptop battery as my old one became useless. In the instructions provided by the shop I got the battery from (not from the instructions provided by the battery manufacturers), ...
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1answer
174 views

how to effectively use a laptop battery

Iam using Macbook for my all development needs, i find these days that my battery backup seem to drain very fast (from 5-6 hrs to 3 hrs) is there any effective way its battery so as to retain for ...
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vote
0answers
234 views

Is working plugged-in bad for laptop battery? [duplicate]

Possible Duplicate: Should laptops remain plugged in when their battery is 100% charged? Some sources (even here on SuperUser) state that working plugged-in kills the laptop's battery ...
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2answers
949 views

How to maximize notebook battery longevity? [duplicate]

Possible Duplicate: What are some good practices for making sure my laptop battery serves its full life? The battery on my ThinkPad T410 only lasted for one year. Now, when "fully ...
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votes
1answer
1k views

Does freezing a Li-ion battery have any effect on its ability to hold charge?

Ok. I've heard this rumor at least 100 times. I can't find any information to substantiate it or any serious research done it. Is it a total rumor, or is there truth to it? Has there ever seen a study ...
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2answers
2k views

Li-Polymer laptop battery advice [duplicate]

Possible Duplicates: Battery Life Practice What is it that kills laptop batteries? Is it better to use laptop on battery or on AC power? Hello, I've bought a new laptop - Dell Adamo. ...
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2answers
329 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 ...
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2answers
1k 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 ...
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1answer
3k views

Calibrating a battery

I have a laptop and I would like to know how to calibrate my battery.
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2answers
1k 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
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3answers
215 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 ...
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2answers
10k 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.
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4answers
3k 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. ...
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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 ...
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5answers
707 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
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1answer
692 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 ...
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1answer
476 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 ...
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0answers
91 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? ...
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1answer
920 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
4k 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
6k 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 ...
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1answer
12k 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
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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, ...
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1answer
127 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
246 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 ...
13
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3answers
4k 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 ...
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8answers
831 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 ...
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vote
2answers
114 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
115 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
325 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
557 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
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2answers
59 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
1k 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 ...
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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 ...
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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?
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4answers
4k 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 ...