Batteries are the embedded power-source of a component such as a notebook. It is composed of cells of chemical elements that store energy.

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31 views

Took laptop apart, no longer will stay on while using battery

I took my laptop apart (Acer S7 392), very carefully noting each step of disassembly, in order to replace the keyboard. Now the laptop will not sustain power unless the charger is plugged in. I ...
-1
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2answers
27 views

My laptop is plugged in, charging but power is not increasing

I'm using a Dell Inspiron 14 R. Yesterday I got the notification to plug the laptop into power source when the charge became low at 13%, so I plugged it to the power source and it showed charging. ...
5
votes
1answer
132 views

Notebook's Battery is not calibrated. Operates at 0% for an hour

My problem is that even if the battery percentage is 0 the notebook can stay on around an hour. I have disabled "critical battery action" on my operating systems to use more time my notebook. The ...
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0answers
2k views

Vaio VPCSA Battery Not Detected

Out of nowhere my Vaio VPCSA stopped detecting the battery. My battery was working fine. I was getting a couple hours of streaming video on just the battery. Then last night, while on AC, the battery ...
0
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1answer
31 views

Laptop battery - 100% available plugged in charging

I have a Dell Inspiron 5521 running Windows 8.1.Recently, I had replaced my battery.But my battery indicator shows 100% available ( plugged in,charging) status. I calibrated the battery but no ...
1
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0answers
32 views

laptop not charging with battery and not starting without battery

Me and my sister have identical laptops. Whilst i was using my laptop i noticed that the laptop was indicating it was charging however the battery power level was decreasing. So it knew the adapter ...
4
votes
3answers
3k views

How can I turn off the battery meter on my Thinkpad T500?

I have a Lenovo Thinkpad T500 with Windows 7 Enterprise (n). Even though my laptop is docked (or plugged in), there is a battery meter to the left of the system tray: I'd like to turn that off if ...
-1
votes
1answer
27 views

What extras do I need to maximise battery life on a Linux laptop? (And how to stay current) [closed]

Now, I know that this question has probably been asked 1000 times - but as far as I can tell, the answer seems to change a lot over time. While researching, I came across powertop, pm-utils, tlp, ...
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1answer
37 views

Is Intel Core-M virtualization usable? [on hold]

I'm asking this question here because noone will let me try installing Virtualbox on an Intel Core-M "uncooled" machine without purchasing it. I previously purchased an Intel i3 with 4GB RAM a ...
4
votes
3answers
7k views

Is it safe to replace a 4400mAh laptop battery with a 8800mAh battery?

I have an Acer Aspire 5536G. My battery is having problems so I am thinking of replacing it. I have searched online through many sites and I found some good deals. However, currently my laptop has a ...
7
votes
1answer
5k views

Windows XP/Vista/7 Check Battery Charge from CMD?

Does anyone know how to get the battery status in windows? On Linux it is as simple as acpi -b but in Windows this simple task seems impossible. powercfg -energy can get all kinds of all information, ...
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votes
2answers
48 views

Why laptop battery so small and UPS bigger and heavier but can only hold lesser powering duration?

My friend asked this earlier today, facts that most: laptop battery are smaller laptop battery are lighter in weight laptop battery can give more time without plugging to power outlet laptop power ...
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0answers
21 views

Battery state still discharging when AC plugged in. Bad?

Running Ubuntu 15.04 on an ASUS UX305. Runs very well only a minor Fn Key issue to speak of. Though I have noticed that the battery state is always discharging when plugged into AC. I find this ...
10
votes
2answers
468 views

What happens when laptops reach 100% charge?

I have been reading alot of mixed views on how Lithium Ion batteries work when it comes to laptops. I have the new dell xps 15, with an intel i7 cpu, 16gb ram, and a 512gb ssd. Is it bad for the ...
2
votes
3answers
4k views

Disable automatic shutdown on low power Win 8.1

I've been having problems since I upgraded to Windows 8.1. My battery has been having issues as its getting old, and it always says its at 0%, while in fact I can still use it for about 2 hours. This ...
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2answers
5k views

Can a faulty battery cause my laptop to shutdown even on AC line? (battery installed AND plugged in together)

Until recently, I experience something rather annoying (and troublesome) with my laptop. It spontaneously shuts down itself without any warning, it restarts. No blue screen, no hanging program, just ...
2
votes
1answer
3k views

Laptop battery - 100% available but says charging

My laptop charger suddenly went off while connected to the laptop, I tried to reproduce and noticed that the battery is 100% full and Windows says it is still charging. Why does Windows keep charging ...
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1answer
2k views

Battery only charges when Laptop is off

My laptop only charges when it is off. If I try to charge it when it is on it says "plugged in, not charging". I just got it 3months ago and I've not changed its battery or charger. My Laptop is an Hp ...
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1answer
46 views

Do power fluctuations affect laptops while charging? [duplicate]

I use my laptop for overnight downloads and there has just been a problem with our society/apartment generator due to which a new generator is being used which I think causes fluctuations. Does a ...
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6answers
23k views

Keep the battery from charging fully (without Lenovo power manager)

Is there any tool (for Windows 7) to set a threshold for when the laptop battery should stop charging? I could use the Lenovo Power Manager, however I actually prefer Windows' native power management ...
6
votes
2answers
8k views

Thinkpad T60 does not turn on

When I plug in the charge, the battery symbol and the charge symbol will light up green. Then, when I try to press the power button, the lights turn off and nothing happens. After this, the only ...
0
votes
1answer
42 views

Dell XPS 17 laptop shuts down unexpectedly when running on battery power

I have a Dell XPS 17 (L702X) and the problem is that whenever I use the laptop on battery without it connected to AC it will only work for a random amount of time before it will suddenly shut down. ...
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2answers
44 views

Is it fine to run a dc motor through USB cable connected to my laptop?

I have a dc motor which needs more than 10V to run efficiently, so instead of running it on electric cells, I usually run it using my laptop's power. I connect a USB cable to my laptop and the other ...
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4answers
4k views

Lenovo Laptop won't charge above 59%

On my Lenovo laptop, running windows 7, I has got a prompt saying that, the system has noticed I am mainly using adapter, therefore I should keep the battery half charged. It justified the ...
5
votes
2answers
7k views

Lenovo Energy Management - Battery life on dual boot

For nearly two years I was running only Ubuntu on my Lenovo G570 laptop. Recently I changed to dual-boot with arrival of Windows 8.1 Preview. With that I installed some Lenovo provided applications, ...
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5answers
2k views

Is it normal for a laptop to discharge to 60% when not plugged in and not turned on for 5 days?

I recently purchased a Lenovo IdeaPad Y400 and have noticed that after I do the following: Use the laptop while plugged in Shut down and unplug (it is fully charged at this point) Turn it back on ...
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1answer
66 views

Script - Lenovo Battery Recall

Problem: LenovoBattery.exe fails when called via batch file. Is there a way to make it work? Details: Lenovo has expanded its voluntary recall of notebook batteries. They request the industry to run ...
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0answers
5 views

Figure out why the “System” process on Android is using a lot of CPU [migrated]

I have a Samsung Galaxy S5 with Android Lollipop. My phone was feeling sluggish. Using an app called "OS Monitor", I see that the "System" process (not to be confused with "Android System") is using ...
0
votes
2answers
108 views

When laptop battery on “High Performance” it stops charging the battery

I'm using an ACER Aspire 5750G and my laptop specs are: Proccessor: Intel Core i7-2630QM Display: 15,6 LED LCD Nvidia GeForce GT 540M - 1GB - CUDA Memory: 8GB HDD: 750GB SSD: 250GB Acer Nptity ...
0
votes
3answers
67 views

Is it normal that a laptop battery drains when the laptop is off?

I have an HP ProBook 450 G2. Every time I shut down the computer and turn it back on after a day, the battery level decreases by about 5%. I'm sure that the computer is shut down, not in sleep or ...
1
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0answers
22 views

How can I set a 80% battery charge limit for a HP Ultrabook? [duplicate]

I really hope you can answer this simply request. Nowadays is pretty common to have a new Ultrabook, laptop or notebook for general purposes. A very important feature is to have a healthy battery. ...
3
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2answers
15k views

Laptop battery charge management software [closed]

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 ...
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3answers
3k views

Should my HP Pavilion dv6000 operate w/o battery pack while using electrical plug-in? Mine won't

While using my computer, it shut down, and I cannot get it to turn back on. I have tried removing the battery to see if the computer would work without it, but it did not. The light is on where the ...
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2answers
4k views

My laptop freezes when on battery?

So, first and foremost I have an HP2510p with 4GB ram running Windows 7 Ultimate 64-bit (I had Ubuntu 13.04 64-bit before but the problem was there so it has nothing to do with the OSs). I also know ...
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vote
1answer
44 views

DELL XPS Bios update to resolve battery issues

The battery on my DELL XPS (edit: @ author insert model) does not charge. A BIOS update should resolve the battery issues, but when I try to run the bios update file downloaded from dell support, it ...
0
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2answers
28 views

Random shutdown on aspire 4935G

(on AC(with battery plugged) or AC only) the laptop just random shutdown without any notice when.. -left idle for some time -but this problem don't happen when the cpu busy like playing games,or ...
24
votes
3answers
9k views

Why do PCs still require a CMOS battery?

Why do PCs still require a CMOS battery, given that they're already plugged in? We are providing lots of power to the PC by plugging it into AC mains electricity, so why does it still require a CMOS ...
0
votes
2answers
3k views

What would cause a Dell Latitude d630 laptop battery to fail to charge?

I recently purchased a Dell latitude D630 from an acquaintance. It came without a battery, but I bought one from Amazon to replace the missing one. However, the battery refuses to charge. I cleaned ...
1
vote
0answers
14 views

OSX - Stop Bluetooth Low Battery Message

I've seen this asked before but never any solution. When using the Apple wireless keyboard and trackpad a message pops up when the battery level gets down to 15%. When you click the message away it ...
16
votes
4answers
2k views

Do recommended battery charging practices for a laptop apply to an ultrabook (with non-removable battery)?

For normal laptops, everyone said that if you want to use your laptop for a long period of time at home, its better if you detach the battery and just connect it directly to power. I followed this ...
2
votes
1answer
48 views

Can low voltage damage laptop or it's battery?

Sometimes I get very low voltage in my house. I am worried if I connect my laptop charger to the socket, will it damage the charger, battery or the laptop itself?
0
votes
3answers
289 views

Why is my Acer Aspire E15 running slower when plugged in than on battery?

I am working on an Acer Aspire E15 (ES1-511-C590) running Windows 8.1 X64 with all the latest patches. It is running significantly slower while plugged in than when running off battery. Yes, this is ...
6
votes
4answers
6k 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?
3
votes
7answers
4k views

Why is my battery not charging?

I have my battery at 95% and it's not charging while plugged in. I'm using Windows 7 Ultimate. Do you know if it might be a setting somewhere? Here's a screenshot:
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vote
1answer
21 views

Task Scheduler differentiate between AC and battery power in Win 7?

Is there a way to differentiate between AC and battery power on a laptop to be used in Win 7 Task Scheduler?
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votes
1answer
93 views

laptop battery drains while shutdown

When I shut down(not sleep or standby or hibernate) the computer the is at 80%. Next morning I tried open my laptop it didn't start without plugging the ac power because the battery level is 0%. I'm ...
1
vote
1answer
107 views

Alternative to Lenovo “Conservation Mode”

I have a Lenovo Y50-70, which I am doing a clean install of Win8.1 on (A new SSD) The Battery software that comes with it out of the box contains a very useful battery conservation mode. This stops ...
0
votes
0answers
32 views

Laptop not charging when running OS/BIOS, charges when off

I am facing this problem in my laptop since last 3 days or so. Make : HP Envy Touchsmart 15 (Core i7, 4700MQ), approx 1.5 years old. The problem is that whenever I am running any OS (Win/Ubuntu), ...
0
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1answer
49 views

PC restarts on power outtage despite having a UPS

Unfortunately where I live I do not have 24/7 electricity. My new PC rig which is considered to be a high-end(gaming) system is connected to a brand new APS/UPS that have these specs: DC-AC ...
5
votes
2answers
6k views

Can a faulty battery cause a laptop to crash?

After replacing a blown out motherboard, my Toshiba Satellite C600 is still malfunctioning lately: BSODs. Distorted graphics, and freezes. Sudden shutdowns. After removing the battery and doing a ...