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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38 views

Computer's power consumption got really high after upgrading to Windows 10

I have an HP Envy dv7 laptop (750GB HDD, 8GB RAM, 1600x900 Display). I used to work on Windows 8.1 and the battery used to serve me for 3-4 hours even when using programs that need a lot of processing ...
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1answer
53 views

charge old battery with adapter [closed]

I want to use my old hp notebook battery but I dont have the laptop and now I want to charge it... but it has 5 input, I mean a port which gets in 5 blade.... only thing that is write in it is 14.8V ...
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2answers
26 views

Laptop loses charge while plugged in

Whenever I start my laptop, if I don't close it at the Windows 8 boot logo, it would shut off. The charger light would show green but turn orange quickly then shut off. Sometimes when I get it to boot,...
0
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1answer
183 views

Ubuntu, battery is never fully charged

I installed Ubuntu 16.04 in a Lenovo thinkpad e550 and i have a problem: the battery doesn't charge, the icon on the panel doesn't indicate it's charging, and in "Power Statistics" -> "Laptop Battery" ...
1
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2answers
78 views

Force laptop to use battery, not charger

I was wondering if it was possible to force a laptop running Windows to use its battery as the power source even when a charger is plugged in? If so, is it possible to switch between power sources ...
0
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1answer
41 views

Battery is shown as fully charged but does not feed the laptop

My laptop is a young Acer V11 Touch (V3-112P-P2E7). Yesterday I used it regularly on battery mode and I left it charging overnight. This morning's surprise is that the laptop only works when connected ...
-1
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1answer
70 views

How to get the most battery life out of a laptop?

I'm getting a brand new Dell Inspiron 13 7359 with 8GB of RAM, an Intel Skylake i5 processor, and Intel HD graphics (550 I believe). I did numerous hours of research and found this to be better than ...
0
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0answers
17 views

Laptop fails to boot when plugged in but not on battery

My laptop is getting older (4-5 years old now) and I am having frequent issues with it failing to boot (freezing on BIOS screen, on Windows loading screen, on login screen, or some point in between). ...
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0answers
33 views

Asus Zenbook UX31A not booting

I have been trying to repair a Asus Zenbook UX31A for quite some time and would like to pick your brains, because I am finally out of ideas. When I received the Zenbook it was not booting, not ...
0
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2answers
102 views

How do I obtain battery stats on windows 10?

I am looking for simple statistics like: the average battery life time or average screen on time relative power consumption of the different components (screen, wifi, system, applications) ...
2
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2answers
34 views

Asus Laptop - Issues with display

When i turn on my old ASUS laptop the screen stays black, but when i leave it powered on for about 30 minutes and do a restart the display shows up normally. Why is that happening? Does anyone has ...
0
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2answers
176 views

What is the difference between 3 cells, 4 cells and 6 cells battery

I am going to buy new laptop but there is some confusion in battery capacity. I found that 3 cells battery backup is good than 4 cells battery laptop but I read somewhere that more cells means that ...
0
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1answer
31 views

Laptop display malfunction?

I just came home from school and turned on my computer from sleep mode, and this showed up Yesterday I had to put my laptop on sleep mode on battery for the night, because I had to charge my phone,...
0
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2answers
43 views

Laptop overheats when connected to the wall plug, but not when using battery

Especially when playing CS:GO CPU temperatures reach 95 but when I unplug the charger and use only the battery, the temperatures remain around 85. The game runs smoothly in both cases.
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0answers
19 views

Can contemporary batteries report on their health status?

The battery on my laptop is weak and I have a bunch of spare ones I could reuse. One problem, though, is to quickly estimate which ones are "better" than the others. Windows (7, 8, 10) have the ...
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3answers
40 views

Can software keep my laptop from charging?

I have a Lenovo S540 with debian testing (stretch) set up. A couple of days ago I noticed that the battery is not charging even when it's plugged in. Of course this could be a broken power cord of ...
0
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1answer
15 views

dell inspiron 15R turbo

i have a inspiron 15R turbo model 7520.i ordered a new battery but the one i got is 60wh.the original battery is 48wh.i am facing some problems,the laptops shuts down without any warning suddenly....
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0answers
18 views

Does the instant shutdown of the laptop affect the the components adversely? [duplicate]

Whenever I unplug my charger or when the power is out my laptop immediately shuts down. Does this immediate shutdown of the laptop affect the hardware and the OS in any adverse way if this happens ...
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0answers
39 views

How to save battery life for notebooks always connected to the AC grid

I have a Toshiba Satellite L50-A-161 with a Li-ion battery. The removal of my Toshiba battery is quite complicated: it is necessary to open the case unscrewing 14 screws and remove the dvd unit. The ...
0
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1answer
56 views

Shutdown a linux computer depending on the battery level

Is there a way to shutdown a linux-based computer when the battery charge drops below a certain level? I have searched through the shutdown and poweroff manuals but found nothing relevant.
1
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1answer
36 views

Toshiba Laptop suddenly shuts down when on battery

I'd be grateful if someone coud help me. My Toshiba L845 laptop suddenly shuts down when on low battery. It doesn't hibernate in the usual way it did. It completly powers off, as if someone had pulled ...
1
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0answers
33 views

Samsung Series 5 NP510R5E-S01CA battery issue

I was using my laptop one day and it was plugged in but it suddenly stopped charging. It didn't say "Charger connected, not charging" or anything. It was like the cord wasn't even plugged in. I ...
3
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0answers
42 views

Run a program using NVIDIA dedicated GPU only when plugged into power

Under 3d Settings in NVIDIA's control panel, it allows me to choose whether specific programs always start using the integrated graphics on my CPU or the dedicated GTX 960M. Can I create a condition ...
0
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1answer
1k views

What can I do to make Windows 10 recognize the battery (again)?

I bought a used laptop (Acer Aspire V5-553G). Everything was fine until yesterday. Windows 10 Professional does not recognize the battery anymore. The Battery charges and functions normally ...
0
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0answers
25 views

Retrieve battery power level history in Windows 7

I recently bought a new battery for my Dell Inspiron 4050 running on Windows 7. It worked fine for 4 days. On the 4th day, I was using the laptop on battery power (80% charged) when it instantaneously ...
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0answers
12 views

Li-Ion laptop batteries are my batterries really bad?

My laptop battery was just at 93% capacity last time it was charged fully. I charged it fully again, and this time it only hits 87% ahhhhhh. This is nuts. I've had this battery for about a week. Is ...
4
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1answer
43 views

Brand new laptop li-ion battery has 74% capacity, should I return it? What can I do?

I've only had this battery for maybe three days. I think it might have hit 100% once... and it hasn't since. It's been dropping... 94%, then 92%, now 91%... I know that you're only supposed to charge ...
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0answers
10 views

Windows 7 fresh installation on laptop battery not charging issues [duplicate]

Hi wasn't sure if this was suited here, but seems to be a driver/OS issue rather than a hardware issue. My laptop has a charging indicator which is lit up on boot, about 30 seconds after boot the ...
0
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1answer
19 views

Brightness filters & battery

I have various screen filters on either pc or mobile that artificially lower brightness. I don't know if it just covers whole screen with semitransparent black layer("dimmer") or really adjustes the ...
1
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1answer
118 views

Could my screen flickering be because of a loose battery?

My laptop screen has been flickering on battery power for quite a while now. What it looks like is kind of like when you try record a screen with a camera (i.e. black flashing of the entire screen). ...
0
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0answers
27 views

Why does a radio station play through my speakers when the laptop runs on battery? [duplicate]

Every fortnight, on a schedule, I disconnect the charger from my laptop (which is largely stationary anyway) and let the battery run down. As soon as I disconnected the battery earlier today, I ...
0
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0answers
25 views

Laptop mouse power draw

I bought a mouse on amazon and one of the other customers was complaining about the mouse killing their battery incredibly fast so I tried to run the numbers and it doesn't seem to match my real world ...
0
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1answer
57 views

Laptop keeps killing hard drives, possibly caused by faulty battery

I have an ASUS X551M Notebook PC, running Ubuntu 14.04. It's about a year old right now. When I got it, it worked perfectly. However, a couple months in, the battery started losing lifespan. ...
0
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0answers
47 views

Very bizarre battery level behavior for Thinkpad T430s on openSUSE

Okay, so I've just bought a second-hand Thinkpad T430s from ebay. Everything looked fine, the computer's in good shape. After installing openSUSE, I decide to see how long the battery will last. I ...
0
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0answers
45 views

Laptop no longer works on battery power (HP G72)

I have an old hp laptop (2009?) that one day stopped working on battery power. I'm not sure if the problem is that the laptop will not charge the battery or if the laptop will not make use of the ...
0
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0answers
42 views

HP Windows-10 charging but not charging

Until today my battery was working correctly (without any problems). But now, system is saying that battery is charging, however, in truth is not charging. I've tried lots of things written in the ...
1
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1answer
106 views

Laptop emits pop sound and turns off [closed]

Today I was watching movie without power charger plugged on and suddenly something inside laptop emitted pop sound (like someone popped bubble). Then I collected some facts: Laptop was not turning ...
1
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0answers
13 views

Laptop charger turns off as soon as I plug it in to the laptop. Could it be a bad motherboard?

If I unplug the battery and attempt to power the laptop off just AC it works just fine, but as soon as I plug in the battery the charger turns off. I've tried two different batteries and three ...
0
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0answers
33 views

New 52Wh battery on Samsung NP540U3C

My battery on my 2.5 year old Samsung NP540U3C laptop is dying and I need a new one. I have been searching through the web trying to find an original one. And in order to find the excact one, I have ...
0
votes
2answers
47 views

Can I charge my laptop with this charger [duplicate]

I forgot my charger at home but really need to get my pc running. I have a charger from a friend of my my pc has an output of 19V / 7.1 A and the friends has 19V/ 4.3 A. I know that the charger might ...
0
votes
0answers
40 views

Im seeing high battery usage by the system under Windows 10

Recently my lap started to heat up. When on battery it's draining very fast. When I checked the task manager... the System and Compressed memory shows nearly 1.5G to 750 MB of memory usage. Never saw ...
0
votes
1answer
68 views

Laptop Battery compatibility

My Asus K46CB laptop battery is dead. I want to change it, the battery model is "Li-ion Battery Pack A41-K56","15.0 V" , "2950mAh" , "44Wh". But when I search in the internet using the same model (A41-...
0
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0answers
22 views

Laptop graphics card performance issue after unplugging charger

I've a Dell laptop with a Geforce GT 650M graphics card. It's suffered from the same issue from new, though it took me ages to figure out the trigger (and I still don't have a 100% repro). After a ...
0
votes
1answer
85 views

What could be wrong with my laptop, which shuts down unexpectedly?

I've searched quite a few forums and questions on this website, but felt like none matched my exact problem. Simply said, my laptop shuts down without any notice. By 'shut down' in this question I ...
1
vote
0answers
75 views

Lenovo Y40-70 CPU capped when under 40% of battery capacity

My Lenovo Y40-70 caps its CPU at 30% frequency when it's under 40% battery while running on battery. While it's charging, it's fine and always runs at 100% speed. I'm running Windows 10 and have to ...
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votes
1answer
17 views

Different socket, different setting?

My thinkpad X1 is set to stop charging at 50%, which I am not sure works. When I plug in my laptop in my office, it is always charged to 100%. However, now, I am at home and my laptop says "98% ...
1
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0answers
27 views

Compaq CQ61-319WM will not boot from just AC; dead battery has to charge

A friend gave me an old laptop to play around with, and it's exhibiting a peculiar symptom: it has to charge up the battery for a few minutes before it will turn on. The battery does not have much ...
1
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1answer
40 views

Should Windows 7 transition Sleep => Hibernating if battery drops below critical?

I have a MacBook Pro running Windows 7 x64 via Boot Camp. I recently lost work because, on receiving a low battery warning (at 10%), I closed the lid to put the laptop to sleep, but then forgot to ...
0
votes
1answer
33 views

New laptop battery inconsistent

I have a fairly old Dell Vostro 1510 laptop and the battery finally gave up recently. I bought another one on Amazon three weeks ago and, initially, it seemed to be OK: it was charging to 100% and ...
3
votes
1answer
81 views

Is my battery capacity normal for a 4 month old laptop?

I bought a Thinkpad E450 from Amazon last year. First day I plugged it in, the battery died. I had a battery replacement which after a month started failing, and more recently, another battery ...