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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3answers
42 views

Computer turns off unexpectedly (new battery)

Recently I purchased a new battery online from newegg. Upon using it I noticed some strange symptoms: -Computer randomly turns off before battery is anywhere near low level -Once the computer ...
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1answer
59 views

Is it safe to attach battery when the laptop is plugged in and being used?

Let say initially I removed my laptop battery because it's already fully charged. Then I plug in my laptop to the wall socket, and then use my laptop. After that, I need to go somewhere, but I don't ...
0
votes
2answers
86 views

Laptop shuts down while on battery with no warning

I have a Asus x53e laptop. For two months, the power fails while running, and it shuts down without warning. I have changed windows but the problem persists. I have opened my laptop and had service ...
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0answers
243 views

Laptop won't turn on, only power button lights up

My laptop is failing to turn on fully. The only thing that happens with the laptop is the power button lights up. It stops lighting up after about 8 seconds of me pressing it and once I release it, it ...
0
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0answers
111 views

How to hibernate a chromebook to prevent losing battery

Is there any way to hibernate a Chromebook laptop to prevent it from leaking battery? I noticed that when I close the lid and leave it over the night, the battery is empty in the morning. The laptop ...
0
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1answer
81 views

MSI GX660 laptop power fluctuations

Okay. So my trusty laptop has come down with an issue. It won't always take my power supply, resulting in 2 cases. One is that it simply does not receive the power, the other is more peculiar. The ...
5
votes
2answers
180 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 ...
1
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0answers
126 views

Some CMOS Settings Not Retained on Reboot. Battery good

Some CMOS Settings Not Retained System: Dell Inspiron 546 Motherboard: DELL F896N 0896N Experience: Advanced Issue: Some CMOS settings are not retained after saving and reboot. Some CMOS / BIOS ...
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1answer
326 views

Primary battery not charging on Thinkpad T440

I got my Lenovo Thinkpad T440 bought this year but I am having a problem wit the battery. The issue is that is the primary battery is not charging on my Ubuntu 14.04 LTS just the second (the removable ...
1
vote
1answer
24 views

Laptop cuts from external power when using too much energy

I have Acer Aspire 7750G and I've had this problem for some time now. I had problems with my display, it was going white for some reason. When I got it back from a repair shop, they said it was a ...
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1answer
126 views

Can this different battery model work with my laptop?

The laptop battery which I have currently and is not working for my Dell 5520 15R laptop is having the specs as: 1) Type: 8858X, 48Wh Standard Li-on battery, 11.1 V, 4080 mAh I ordered the battery ...
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votes
1answer
77 views

Why does unplugging my laptop from power reduce power consumption?

I want to save unneeded energy. Because of that, I changed my energy settings to power save mode. However, once I switch off the power supply for my laptop, the energy consumption and CPU tact goes ...
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1answer
50 views

Screen flashing when certain programs are focused

My laptop screen is sometime flashing when it is battery powered. While I can live with it, what puzzles me is that it flashes under certain conditions (and not always): When on battery and Firefox ...
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0answers
74 views

Is it a case of battery replacement or general system fault in Eaton UPS?

We have an old Eaton UPS 5130 with old battery(ies) of 4-5 yrs which has not been replaced yet. Both Load Not Protected and Downgraded Operator Indicators are on. Load Level Indicators is light 1 out ...
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0answers
176 views

“No Battery is Detected” but battery works

The Question: How do I get my battery to be detected again? My system is dual boot Windows/Linux. On Linux, for a while, the system claimed that the battery was always at 15%. Now, it says there's ...
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votes
1answer
45 views

New battery not recognized

I have Acer Aspire 5750. Recently I replaced my 4400 mAh, 6 cell battery with new one, 6600 mAh, 9 cell, compatible battery. Since than, when my notebook restarts, or turns on, I have to wait for 15 ...
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votes
1answer
848 views

Dell AC adaptor flickering green light and won't charge laptop

I have a Dell Latitude E6400 and recently the charger blinks the green LED and wont charge the laptop. After a while however the laptop charges, and then this may occur again after a couple of hours, ...
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1answer
164 views

Only allow laptop to charge battery to 95%?

My laptop makes a very loud noise (coming from some CPU idles state / power saving mode). This is a well recognized problem, and people on the internet seem to have not found a solution yet. The ...
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0answers
38 views

Xbox 360 controller on PC only indentified with the play and charge

I have a different problem than most with my XBOX 360 Wireless controller on the PC. I have the a wireless receptor connector and the Play and Charge kit. IT is an original Microsoft 360 controller. ...
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0answers
93 views

Satellite L745 Battery - Plugged In but not charging

When the adapter is plugged in to charge the battery, battery status show as Plugged in, not charging. When battery is plug to the laptop, can't turn on the laptop. I have to unplug the batter and ...
0
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0answers
68 views

How do I tell my Laptop that you're charging?

I own a Vaio laptop (Model Number: SVF15218SGB) which runs Ubuntu 14.04. It has a LED indicator which when plugged in, should turn on and well also inside the OS, the battery icon should show that ...
2
votes
4answers
1k views

Does charging a Li-ion battery smart phone through a computer's USB port put additional strain on the battery vs a wall charger?

I was curious about this. I read that you should generally avoid completely discharging and then full charging your Li-ion battery because this can strain the battery (though some suggested doing this ...
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1answer
26 views

Prevent Notebook from resuming from Standby while on Battery

A recurring problem I see with notebooks is having them resume from standby or hibernation while on battery. This can be caused by a wide range of possible reasons, ranging from network activity over ...
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0answers
41 views

Battery on Toshiba Satellite L875D won't keep a charge

My Toshiba Satellite L875D wouldn't stay charged when not plugged into power outlet. I figured installing a new battery would solve the problem, but unfortunately it didn't. I went to the Toshiba ...
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2answers
59 views

Charging Android phone battery [closed]

I usually connect my Android phone to my laptop with USB and leave it even after fully charged. Is it OK or harmful ? Will it reduce my battery lifetime ?
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1answer
71 views

Dell laptop battery is dead. Computer appears to not be charging

Last night my computer was working fine. Low battery, so I plugged in it. A little bit of charge before I unplugged it and left it for the night. I thought there should have been a bit of battery ...
0
votes
1answer
78 views

Gaming on laptop with charger in

As Im sure most already know, gaming laptops don't tend to have long battery lives. To circumvent that, I'd just assume that I could game on the laptop while the charger's plugged in. However, my ...
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0answers
87 views

CMOS battery issue

The 5+ year old CMOS battery in my PC died and the BIOS lost it's settings. I replaced the battery but the same problem persists. As soon as I plug the PC into the power outlet, I get 4 beeps ...
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votes
1answer
94 views

Should I keep my laptop plugged in as much as possible? [duplicate]

I know there's already some feeds on this but I just can't get one straight answer. Everybody says different things. I have an Asus laptop with a Lithium-polymer. I do game a lot so what's your ...
1
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1answer
105 views

HP 6910p battery charging very slowly

My laptop battery charge rate is very slow. It charges between 50% - 100% in almost 4, 5 hours. It's running normal on AC adapter without any problem but running very slow on battery mode. So can one ...
1
vote
1answer
214 views

Windows Tablet data and power from one USB

My Windows tablet has one mini USB port which is used for charging the tablet's battery as well as for data transfer but because there is only the one USB port it won't let me do both at the same ...
0
votes
0answers
220 views

Packard Bell EasyNote TE69KB is crashing because of battery overcharge?

I have a Packard Bell EasyNote TE69KB Notebook with an AMD-E1 2500 APU, AMD Radeon HD8240 graphics and 2 GB Ram. On the Notebook is Windows 8.1 installed with all updates and all drivers are updated. ...
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votes
2answers
56 views

Laptop halts on not yet low battery

Two years old samsung laptop with Windows 8.1 64 bit halts without notice or taking low battery action. I realized that it happens when it shows some 55% battery limit. It dies suddenly and ...
3
votes
3answers
660 views

Keeping laptop plugged in vs cycle count

I heard that it's bad to keep your battery fully charged all the time. It's best to keep it between 20% and 80%. On the other hand, cycle count degrades battery over time. So, which of these is ...
80
votes
5answers
9k views

Why are my games slower on battery power, even with the power plan set to High Performance?

My laptop is capable of running most games on high settings at decent frame rates. However, if the power cable gets unplugged while I'm playing, the game immediately starts slowing down, even if I'm ...
1
vote
2answers
135 views

Cannot load tp_smapi module on thinkpad x60

I have an old thinkpad x60 running debian. Recently, I brought a new battery, to check the stats(manufacture-data, first use etc ..) I installed a common program called tlp on the machine. But It ...
0
votes
1answer
50 views

Uninstall fake-hwclock leaves files behind

My machine arrived without a CMOS battery so I installed fake-hwclock to attempt to at least have reasonable and increasing times. I've installed the CMOS battery and attempted to remove fake-hwclock ...
0
votes
2answers
70 views

For better battery backup whether we have to start charge the laptop when battery about to drain? [duplicate]

I recently purchased a laptop ,I have get suggestions from so many people that we should start charging laptop when battery is about to drain and the reason I am getting is battery will last for ...
0
votes
1answer
49 views

Laptop Turning On and Off

Just for a heads up, I am not computer hardware savvy, but I do have a basic understanding of parts and what they do. I have not replaced any parts other than the hard drive but that was before the ...
0
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0answers
29 views

Strange issue with electrical outages and charging my Asus Eee PC

I have an Asus Eee PC 1000H netbook: http://www.asus.com/Notebooks_Ultrabooks/Eee_PC_1000H/ Every now and then, during a storm or so, the electricity in my house will flicker and I'll get a power ...
0
votes
0answers
17 views

Is it bad to have a computer running at maximum temperature for a long period of time? [duplicate]

I'm having a Macbook pro 15" 2012 model here and I remember the past when I gamed on my Macbook- specifically World of Warcraft. When I played this game my Macbook went from a passive ~55 degrees C to ...
0
votes
2answers
122 views

How to measure how long it take's for a laptop's battery to charge

I have the following scenario: I am testing several laptops with Windows 8.1 installed. One of the tests is to measure how much the battery lasts. For this task I use benchmarks like PeaceKeeper or ...
-3
votes
1answer
28 views

Using iPod as a Mobile Battery Charger [closed]

Is there anyway to make my (3rd gen i believe?) iPod touch output power? Preferably by a vanilla app, jailbreak, or another method that doesn't require tearing it apart. It current is sitting in my ...
0
votes
1answer
140 views

How long does it take for a new laptop battery to get charged? [closed]

I just bought a new 6 cell Lenovo battery for my Ideapad. But it doesn't seem to get chraged. It's been an hour but there is no change in charge percentage. Is it normal for a new battery. At first I ...
0
votes
0answers
187 views

Asus Zenbook UX31E + Windows 8 => Random shutdown on unplug

The computer used to work fine with Windows 7. After upgrade to Windows 8, if the computer has been started plugged in, it shuts down randomly, and frequently, when unplugged. If it has been started ...
0
votes
1answer
262 views

My laptop battery discharged in sleep mode?

My laptop computer is an Acer Aspire M5-583P-6428 touch screen laptop computer. Its specs are as follows: Intel i5-4200u Quad-Core Processor Intel HD 4400 Integrated Graphics 500GB hard ...
0
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0answers
86 views

My laptop battery just won't come out! (Lenovo U400)

I'm trying to remove the battery from a Lenovo U400 laptop. It should be as easy as taking out the screws from the battery, unplugging it from the motherboard, and lifting it out, but it's not! Once ...
0
votes
1answer
53 views

Laptop ignores critical battery action

I am having an interesting problem with my Lenovo IdeaPad Flex14 laptop. To give a brief of setup: I am running Windows 8.1 Update 1 64-bit on Intel Core-i5 4200U with Intel's built-in GPU. My ...
0
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1answer
119 views

External batteries and maximum output (Multiple devices)

I'm about to buy an external battery with this output specs: AC 230V/ 50Hz. 65Watt (max 85 Watt). It would be similar to this one; picture below for reference: I’m used to see amperage ...
0
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1answer
61 views

Windows 8 changes screen brightness between profiles

When switching between power profiles in windows 8, the screen brightness changes to the profiles last brightness setting. I often switch between balanced and high performance profiles. This changes ...