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

learn more… | top users | synonyms (2)

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 ...
2
votes
0answers
12 views

How to keep Windows 7 CSC Service from running down my laptop battery?

I've a new laptop that lasts less than an hour on battery. I've bottomed out the culprit: cscservice. I've been manually turning the service off then on when I'm on battery power. Cycling the trick ...
0
votes
0answers
12 views

Logitech Anywhere Mouse - even new batteries show 'need to replace' red blinking light

I have a Logitech Anywhere mouse that I've had for a while now. It's been doing great but since it last gave the orange/red blinking light showing that the battery needs to be replaced, no battery is ...
0
votes
1answer
32 views

Run time difference between a 4-cell (43 Wh) battery and an 8-cell (58 Wh) battery?

Is there a significant improvement in battery run time going from a 4-cell (43 Wh) battery to an 8-cell (58 Wh) battery? How much longer will it run (percentage-wise)?
1
vote
0answers
23 views

How to make laptop only start charging when under 20% while always plugged in?

I want my laptop only to charge when under X% of battery is left, while always plugged-in to charger. I have a laptop that has to be up in running for long periods and I want to lower the ...
0
votes
0answers
8 views

Acer Aspire One Battery Compatibility [closed]

I need to purchase a new battery for my Acer Aspire One netbook. Is the battery for "Acer Aspire ONE A11, A110L 3G, A150, D250" compatible with "Acer model #D270-1865"?
3
votes
6answers
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:
1
vote
3answers
13k views

Dell Laptop Battery Not Charging?

I have a Dell Vostro 3555 and recently I noticed that my battery is not charging at all. I see this message when I boot up the computer: The AC power adapter type cannot be determined. You system ...
0
votes
0answers
23 views

Lightweight linux preboot environment?

I was wondering if there was any way to setup a light, low resource linux environment that'll have basic features like a web browser but can boot into a full linux distro or Windows if I need a more ...
1
vote
4answers
8k views

Laptop battery says plugged in, not charging

My laptop's battery tray icon sometimes says "plugged in, not charging". How do I make the battery start charging again? Lenovo X230, 6-cell battery, Windows 8.1 64-bit. This question says that ...
1
vote
2answers
57 views

Brand new laptop, two years in storage, will the battery be ok?

I have an opportunity to buy a brand new (sealed box) EliteBook 8470p laptop for a good price. The date of manufacture goes back to around March 2013, which is bang on two years ago. Given that it's ...
0
votes
0answers
38 views

windows 8 tablet battery died while recording video, the file is lost

I was recording a video with a Windows 8 tablet and after 2 hours the battery died. When I got back home and charged the tablet, the video was not there. There are other videos in the camera roll ...
1
vote
1answer
88 views

Is there any way disable the internal “power bridge” battery on a Lenovo Thinkpad T450s laptop via software/system settings?

I have a Lenovo Thinkpad T450s running Windows 8.1 Pro and I have to disable the internal battery on my laptop temporarily for troubleshooting purposes. I just want to keep the external battery and ...
1
vote
1answer
50 views

Why does laptop's battery drain only when I am playing Minecraft?

I got a new power supply/cord for my Asus N550JV-CN191H, after my old one tore. The new one works fine, and the power indicator (Ubuntu 14.04) shows that the battery is charging, except when I play ...
1
vote
0answers
21 views

Laptop Noise From Internal Battery Section [closed]

(Not entirely sure that this is due to the internal battery, but that's my guess.) I have a brand new Thinkpad T450s and it has both internal and external battery. I have noticed that when my laptop ...
0
votes
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 ...
0
votes
2answers
2k 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
2answers
56 views

Is there a way to automatically quit two programs when battery is below certain level?

I'm setting up a new laptop with Windows 7 and I'm using Rainmeter to display system info in a sidebar (CPU, memory, GPU info etc). This needs MSI Afterburner running in the background to access GPU ...
0
votes
1answer
21 views

Laptop turned off without charged

I have a Asus N55SF laptop, and always when I unplug my device from the charger it immediately shuts down - the battery decreases from 100% to 1% in few seconds. Perhaps the problem is with my i7 ...
0
votes
3answers
81 views

Lenovo Y50 Laptop drains battery in hibernating to 20% just 24hrs

I have a 6 months Lenovo Y Laptop and this is battery information is captured by BatteryCare The problem is after I installed a fresh Win8.1 (yeah Superfish issue), Hibernating drains battery so bad ...
1
vote
1answer
3k views

Reset laptop battery data or interface battery chip?

My battery consists of 5 parallel strings of 2 cells in series. One conductor broke and therefore the measured capacity of the battery decreased dramatically, so that the capacity meter went down a ...
10
votes
6answers
7k views

Why Ubuntu eats more power than Windows?

I play full screen video with maximum volume or browse the Web with WiFi. Under Windows 7 my laptop works ~5 hours. Under Kubuntu 10.10 only ~2 hours. I've got Acer Aspire 1810TZ. Battery wear ...
0
votes
1answer
12 views

Novatech nSpire laptop randomly shuts down

I was browsing the internet and my Novatech nSpire (not sure the exact model since I am unable to get into it but I think it's N1593) and it shut down, with no warning (didn't cut out, it was a soft ...
0
votes
1answer
25 views

Jumpy and erratic touchpad

A couple of weeks ago my laptop's (HP Envy TouchSmart 14-k110nr) touch pad started being a little jumpy. I thought it was probably because of dirt and wiped it with an alcohol-free cleaner, but it ...
0
votes
0answers
21 views

Access HDD just on demand

Id like to know if there is some option to access hdd just on demand. I have SSD + HDD combo in my laptop and im mainly using just the ssd drive. When im plugged in electricity I dont really care as ...
0
votes
1answer
46 views

Non physical hardware switch

My laptop comes equipped with a hardware switch on its backside that connects/disconnects the battery. When I am connected to AC for example, I can thus avoid overcharging the battery. Yesterday ...
20
votes
8answers
941 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 ...
-2
votes
2answers
63 views

How can I maximize laptop battery service life [duplicate]

My laptop is ASUS K 551 LB, which has an internal battery. Would the battery's service life be longer leaving the laptop plugged in whenever possible, or running off the battery to regularly run down ...
1
vote
1answer
2k 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 ...
0
votes
2answers
62 views

What will happen powerwise if you plug a USB-C device to another USB-C device?

If you have a USB-C phone or tablet and you plug it into a laptop with USB-C, which device gets charged? Or no charging will occur? People charge their phones through their laptops all the time, how ...
0
votes
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 ...
0
votes
0answers
30 views

Surface Pro 3 Dock - Blinking light, no charge

I have a Surface Pro 3 and a dock. When I attach the Surface to the dock, the indicator light blinks and will not charge the device: Steps I have taken: Ran and installed all Windows updates with ...
0
votes
0answers
34 views

Fresh SSD - High Power On Count when putting hibernate mode (Win8.1)

I've just bought a brand new Samsung SSD Evo 840 and I found that when hibernating, it increases Power On Count too much (in 1.5 months) as: As you can see Power On Count increases as crazy when ...
0
votes
0answers
40 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 DVD Super Multi DL drive ...
2
votes
1answer
68 views

HP 4530s laptop works with power cord but won't charge battery

Suddenly, two days ago my HP 4530s laptop stopped to be able to charge its battery. Since I was noting that the whole battery was dying since some weeks ago, I bought a new one. Either with the old ...
2
votes
3answers
12k views

What is the function/purpose of the pinhole on the battery of a Samsung Series 5 ultrabook?

Some background (not entirely relevent to main question): I can't find my specific model of laptop online but it has all the same specs as this excluding the touchscreen: http://bit.ly/18netZQ It's a ...
1
vote
0answers
28 views

Dell Vostro 3560: 3NB8W3 battery not recognized, problems with charging

I've been using standard battery for a while, but finally I bought extended battery (3NB8W3, 11.1v 8700mAh 97Wh). Sadly, my Vostro 3560 does not recognize battery properly. I always have "Plugged in ...
33
votes
8answers
6k views

How can a CMOS battery store data?

How does a CMOS battery store information on it? I know it stores information such as the time, date, passwords and drive configuration, but how? How can a battery store data?
1
vote
1answer
84 views

Computer time and bios resets everytime I unplug from wall

I am using an Asus P5GC-MX motherboard with a 700 watt power supply and I cannot figure out why this is happening. First I tried a new good brand battery with no luck. Next I flashed my BIOS and ...
1
vote
1answer
55 views

How to judge if a laptop charger noise is a safe “hum” or a dangerous “crackle”?

I've read existing questions and answers on noises coming from laptop chargers (e.g. http://superuser.com/a/104860/112639 and http://superuser.com/a/832501/112639 and have learnt that there are two ...
0
votes
0answers
21 views

Lenovo t400 s7 cmos

Hi my battery is dying dead and now my ac power is intermittent. It will start and run on ac and battery for a few hours but dies. It will not run on ac alone, although the power light flashes. Now ...
1
vote
2answers
22 views

Using a “unapproved” charger with phone. Any actual real dangers? [closed]

I have a OnePlus One. It states that I should only used approved chargers (aka the one that came with the phone). Is there any real danger with using for example an iPhone wall to usb adapter to ...
1
vote
1answer
151 views

Lenovo Ideapad z510 crashes when connected to AC power but works fine with the battery

I use a Lenovo Ideapad z510 running Windows 8 x64 and earlier today, during a snowstorm, power went out. Later, power came back and I got on my computer. As I was using it, I — idiotically — lightly ...
5
votes
7answers
17k views

Laptop screen turns off on removing power cord

After a recent upgrade to Windows 8.1 Pro from W8, my laptop's (an ASUS X54H) screen turns off as soon as you remove the power cord. It turns back on with no issues when you plug the power back in. ...
0
votes
0answers
22 views

Trying to show 100 splash screens for according to battery percentage

I am trying to show an empty battery with some red color at bottom(like in moto g) when the battery is discharged. I am able to show a static image for that, but if I use many images to show the ...
3
votes
3answers
21k views

Laptop battery: is voltage really important to respect?

I got an Acer Aspire 5100 and I just bought a new battery (after the stock battery just died yesterday). But I saw something after buying and I'm wondering whether it's really important or not. My ...
0
votes
1answer
27 views

Is battery mAh measured per cell?

I have an HP 15-d053cl laptop with a 14.8V, 2620mAh, 4-cell battery (although HP's website says it's 2800mAh) and I'm looking for something to add to my battery life. I've found my same battery and an ...
0
votes
1answer
242 views

Can I charge my laptop using a power bank using my laptop charger?

I have a Dell XPS-1530 laptop with a 9 cell battery. It's working fine but I was just wondering whether I could use a power connector or something to plug my laptop charger's 3 pin plug into another ...
0
votes
1answer
277 views

apple macbook pro 15" replacement battery and charger [closed]

My MacBook Pro's battery has died. Capacity is down in the 2000s and cycles are at about 250. To compound the problem my MagSafe charger has decided to start burning through the cable near the bit ...
2
votes
3answers
687 views

Is it safe to tilt a UPS battery while in use?

I've got an old UPS for which I bought a new battery. The new battery is different in size (longer). Thus it doesn't fit in the structure. However, if I keep the new battery vertically, I can manage ...