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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17 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
45 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
9 views

Poor Keyboard battery life solved? [on hold]

Several months ago my wireless keyboard and mouse on imac snowleopard started to drain in a very short time. (week or two) None of the bulletin boards had the answer. My question was, what changed ...
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0answers
19 views

Battery care program in java [on hold]

I am looking forward in creating a battery care program for linux like in windows. I need to know : 1) What all will be required to make this program. 2) What all API's in linux will I be needing. ...
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0answers
12 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
10 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
26 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
167 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
18 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
11 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
30 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
33 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
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1answer
43 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
42 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 ...
0
votes
1answer
54 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
vote
1answer
39 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
43 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 ...
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0answers
20 views

Is leaving a laptop plugged in all the time bad for the battery? [duplicate]

Or should I let it go down the 15% or so and then plug in the adapter? For reference: http://superuser.com/a/855852/255933 I don't have the ability to add comments.
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0answers
73 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
45 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
63 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 ...
79
votes
5answers
6k 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
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1answer
45 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
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1answer
16 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
50 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
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1answer
32 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 ...
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0answers
22 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
42 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
25 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
41 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
72 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
72 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 ...
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0answers
32 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
26 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
votes
1answer
49 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
33 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 ...
0
votes
0answers
14 views

acer aspire z5600 erratic screen issue

Can;t select time zone; screen drop panel will not go to the bottom; can't select time zone; whatever I would select when successful is ignored; in troubleshooting, decided it could be my cmos ...
0
votes
1answer
58 views

Dell Inspiron 1545 - Battery will not charge

I recently bought a new battery that is compatible with the laptop. It ran off the battery just fine initially and then after draining the battery for the second time in order to break-in the battery, ...
2
votes
1answer
49 views

Is safe to switch battery while laptop is on and plugged?

I want to know if is safe to switch my laptop battery while I'm using the laptop, with the AC charger connected. Will the laptop shut down? Will the battery be damaged? Thank you
0
votes
2answers
158 views

My Toshiba Satellite c850 won't display screen

Before this happened, I had some occurrences where my laptop's screen turned off out of no reason. Everything was still on (the sound, tasks in thr computer, fan, etc. was working). I tried closing ...
0
votes
1answer
68 views

Why does my Samsung laptop computer think it is unplugged?

Samsung laptop, purchased new in 2012. Windows 7 64-bit. 8GB RAM. Model NP300V5A. I woke up one morning and woke the laptop. I had left it plugged in to the wall the night before. When it woke, it ...
0
votes
0answers
32 views

Does an SDD use less power than a platter/regular drive? [duplicate]

The answer to this question seems obvious to me but I'm asking it in case I've missed something. I have a laptop with a small SSD drive and a large regular/platter drive. I keep a collection of ...
-1
votes
1answer
58 views

Where is the file that notifies you when you have low battery?

Does anyone know where the file is located that displays the low battery warning on Windows 8? I've searched the entire system32 folder but I can't find it there, maybe it's part of another program? ...
0
votes
1answer
107 views

MacBook (SSD + FileVault) doesn't restore after battery depletion

Setup: I have a MacBook Pro 15", mid 2009, 3.06GHz. The DVD drive has been replaced with a SAMSUNG SSD (830 series), 128GB, the battery has been replaced once with an original one. RAM was upgraded to ...
0
votes
0answers
12 views

Get maximum use of laptop battery [duplicate]

I just bought a Li-ion battery for my dell laptop So here are my questions: How to charge it for the first time ?(I mean leave it for 8 hours and repeat this step 3 times or what ?) Can I plug it ...
1
vote
2answers
888 views

Can a power bank work as a laptop battery alternative?

So here's the thing. My laptops battery is almost dead and I'm planning to buy a new one. The problem is that where I live, the power shortage is a very normal issue. I have a 15 inch basic laptop. ...
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votes
1answer
30 views

How can I test my new laptop battery without special equipment?

I just bought a new battery for my Acer AO756 laptop. I couldn't find any high-capacity ones produced by my laptop's vendor, so I bought a product made by GreenCell. It doesn't seem to charge past 94% ...
1
vote
3answers
43 views

Safe to charge USB devices while doing other power-consuming tasks?

I just recently got an iPod, and I completely forgot that without an adapter you have to hook it up to your computer by USB port to charge it, sync, etc. I currently have it plugged into the front USB ...
0
votes
1answer
22 views

Change power plan in Windows after power failure (on notebook)

I have Windows 8.1 and would like to have my notebook automatically change the power plan to a different one when loss of AC is detected. How can I do this? Reason is because I have a pretty power ...