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

2
votes
3answers
345 views

Increasing Laptop Battery Service Life [duplicate]

Possible Duplicate: What are some good practices for making sure my laptop battery serves its full life? I use my laptop as a replacement for desktop. I generally use it for 6 to 7 hours a ...
1
vote
1answer
658 views

Performance and Battery Life

Okay, I'm looking for hard evidence to settle an argument. From a developers perspective, the argument of CPU usage and battery life comes into play often. If a CPU is throttled to use 10% of its ...
-2
votes
1answer
1k views

battery laptop always 0% cannot fully charged

i have laptop Toshiba l645 and the battery cannot fully charged (always 0%). How make it back to normal ? In windows 7 i ever try safe mod and it is still 0%
3
votes
2answers
12k views

Laptop battery charge management software

I work on a HP laptop plugged in most of the time, and after few months the battery went off-duty. Of course, I could remove the battery each time the laptop is plugged and place it each time I must ...
4
votes
2answers
2k views

Why is keeping my Mac battery 40%-80% charged advantageous?

This article from Lifehacker notes that keeping my Mac battery 40%-80% charged is advantageous. ...
0
votes
1answer
846 views

No longer get battery notification or action

I have an Asus n43jf laptop running Windows 7 64-bit. The laptop is a little over a year old. Up until very recently, when the battery would run low, I received a low battery notification, and if I ...
0
votes
1answer
2k views

My battery doesn't gets charged beyond 98% now-a-days

My battery is not getting charged beyond the 98% mark. I know battery losses maximum capacity with time but my question is ideally isn't it supposed to show 100% charged but actually get only 98%? In ...
-1
votes
3answers
646 views

Laptop/Battery: Should I remove the pack with mains/AC on?

Does a fully-charged battery supply power to a laptop/notebook if the mains is connected? Does it behave like a mobile-phone (which needs a battery)? Will the battery-life be improved if it is used ...
0
votes
2answers
94 views

Battery Life: 1and half to two hours

Is the battery life of 1 and half - two hours vbad for a new laptop? Is this value very low? I have a HP 4320s Laptop (which comes under the category of Corporate Laptop), i3 Processor, almost nothing ...
5
votes
5answers
8k views

Logitech M705 Wireless Mouse: Are the batteries dying, or does the device have a hardware failure?

I have a Logitech M705 wireless mouse. I'm first time using a wireless mouse, so I don't have much experience with the hardware features and behavior. It is rated that it runs for 3 years with the ...
4
votes
1answer
1k views

Should I overcharge mobile phone before first using? [closed]

When I first buy a mobile phone or phone battery I used to know i should charge it about 8-10 hrs switched off the phone. But i don't know if its actually necessary to overcharge a battery for its ...
1
vote
1answer
725 views

Is there anything to do with a dying li-ion battery when it's nearing its end of life?

Should I keep it in the fridge? Should I constantly discharge and recharge? Should I keep my hopes up or should I buy a new battery?
0
votes
1answer
118 views

How to find out how much battery life remains on a tablet?

For example I have 2000 mAh. How do I calculate how much longer my device will stay on?
0
votes
1answer
576 views

Battery life on netbook with Linux Mint 10 vs 11

I have bought a new SSD for my Eee1000HE, and want to run Mint on it (I prefer the look and feel over Ubuntu). I read somewhere that the version 11 ran on some newer version of the kernel that had a ...
3
votes
4answers
1k views

Wireless Keyboard/Mouse: Should batteries be removed when not in use?

I recently bought a Logitech Wireless Keyboard and mouse. I use it almost daily but for a couple of hours only. The keyboard has 2 AAA batteries and the mouse has 1 AA battery. The box mentions that ...
0
votes
1answer
781 views

Virtual-machine software with least overhead on a Windows host

Which virtual-machine software (i.e. VirtualBox, VMware Server, etc.) has the least overhead, with support for installation on a Windows host? The reason overhead is an issue is due to battery life ...
0
votes
4answers
429 views

Are laptop batteries repairable after failing to hold charge?

The laptop battery for my Compaq Presario CQ40 seems to be broken because it does not charge any more when connected to the mains. Can this be repaired or I should call it end of life and replace it? ...
3
votes
2answers
851 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
votes
3answers
80 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 ...
6
votes
4answers
4k 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?
1
vote
3answers
319 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 ...
2
votes
1answer
459 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 ...
0
votes
1answer
206 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) ...
2
votes
4answers
247 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?
1
vote
2answers
2k 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 ...
2
votes
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
votes
1answer
218 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. ...
3
votes
4answers
5k 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
votes
3answers
718 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 ...
5
votes
1answer
962 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), ...
1
vote
1answer
177 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 ...
1
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 ...
1
vote
2answers
996 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 ...
3
votes
1answer
2k 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 ...
0
votes
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. ...
0
votes
2answers
341 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
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 ...
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
218 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
11k 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
732 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
762 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
513 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
96 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 ...