Tagged Questions

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)

0
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0answers
11 views

MacBook Pro with Windows 8.1 Pro installs occasionally shows “0% Battery”

I have a MacBook Pro (Late 2013) installed with Windows 8.1 Pro via Boot Camp. Every now and again Windows reports the battery at 0% even though the battery is fully charged. Clicking on the battery ...
0
votes
0answers
8 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
22 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, ...
0
votes
0answers
16 views

Is it posssible to identify this acer battery? [closed]

WHich model is this Acer battery and which Acers it will fit? is it possible to identify it? screenshots: http://ipic.su/img/img7/fs/kiss_2291kb.1416147817.jpg ...
2
votes
1answer
42 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
38 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
40 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
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0answers
31 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
54 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
36 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
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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
69 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. ...
-1
votes
1answer
22 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
37 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
18 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 ...
5
votes
2answers
449 views

AC not working properly

Yesterday evening i used my laptop without any issue, this morning i went to work and i have noticed that the AC charger is not working properly. This is the behavior: If i connect the laptop to ...
0
votes
1answer
20 views

can I use a 5400mAh battery in my Toshiba L40-17m laptop? [duplicate]

I recently bought a replacement battery for my Toshiba Equium L40-17M laptop. It is showing a 5400 mAh. Usually it seems this model takes a 4400mAh. Will the larger mAh damage my laptop?
1
vote
0answers
43 views

packard bell easynote te69hw cannot set screen brightness to maximum when charger is not plugged

I just bought a new laptop and there is something that's been annoying me, when am using the laptop with the battery only the screen brightness lower itself automatically, but the problem is that the ...
0
votes
0answers
31 views

Force-reset laptop battery statistics

On my Acer Aspire S3 laptop-of-almost-3-years BatteryInfoView says that the battery's capacity is at roughly 35%. So, whereas once it would hold for 4,5 hours, now it's down to 1:45 at best. However, ...
-2
votes
1answer
31 views

My lenovo b5400 shut downs when I unplug it from the mains [duplicate]

My laptop is shutting down immediately, when I remove the power cord. It's only charging until 53% when plugged in, then not charging further.
1
vote
0answers
63 views

My asus laptop shuts down unexpectedly when unplugged

My asus laptop shut down unexpectedly when unplugged ... even with battery charge over 50%. The OS installed is Linux, and it is set to shut-down at a critical percentage of 5%. It doesn't look ...
1
vote
0answers
42 views

Battery life up to 8 hours for 4-cell and 8-cell? [closed]

I would like to buy a thinkpad yoga, but I am not sure how to estimate the battery life since each website post different type of batteries for the thinkpad yoga and all of them say the battery life ...
1
vote
1answer
55 views

How to get rid of “Consider replacing your battery” warning in Windows 7 power settings

When I turned on my laptop (Acer Aspire S3-951) today, I saw the following message under the power icon. I know that my battery is 61% degraded, but how do I get rid of the extra text that says my ...
0
votes
1answer
76 views

My MacBook Pro 13 inch keeps shutting down when battery is fully charged

This is the crash report I got after it shut down: 10/14/14 8:30:54.177 PM MDCrashReportTool[320]: 320:2662400|CrashReportCopierAFC.m:-[CrashReportCopierAFC ...
0
votes
1answer
29 views

Battery drained after a few hours of charging

I seem to have a serious issue. I still have the 'visual indication not moving up after a few ticks' battery charging icon issue. But there is another problem which is way more critical. I can not ...
0
votes
3answers
38 views

Make Windows 7 hibernate when unplugging charger

I have a laptop where the battery has reached a state of being pretty much useless. Neither Windows 7 nor Ubuntu 14.04 is able to correctly estimate the actual power percentages or lifetime of the ...
0
votes
0answers
33 views

Will my battery be safe? [duplicate]

Recently I took my laptop to a repair shop for fixing its dead batteries. And I was surprised when the techman told me that if I used my laptop with the charger connected when the battery if fully ...
0
votes
0answers
30 views

battery charging icon issue

I have come across a problem today which hasn't occurred before. The adapter was plugged in but it wasn't on the percentage as I wanted to be at. So I removed the adapter for a while and then ...
0
votes
3answers
17 views

new battery for my toshiba laptop, rechargable Li-ion Battery Pack

The instructions that came with the battery say to discharge battery to 2% then charge fully to 100%, how do I discharge the battery?
0
votes
0answers
51 views

how to show battery percentage on gnu screen hardstatus line

I currently have this as my hardstatus last line on gnu-screen the ~/.screenrc entry is as follows (just incase someone want something similar) hardstatus alwayslastline '%{= g}[ %{G}%H %{g}][%= ...
1
vote
2answers
63 views

Accidentally got a little bit of water in uninterruptible power supply outlet; just let it dry, or trash it?

So, I had some water in my home office, I know that wasn't very responsible, but let's not point any fingers here. Long story short, a bit of water ended up spritzed onto some of the actual plugs of ...
2
votes
2answers
25 views

USB External Battery Packs for devices other than Phones/Tablets

I'm trying to build a wireless/mobile monitor. The monitor will be included in a wheeled cart, so I have some storage very limited storage available in the cavity behind the monitor, but not much. The ...
0
votes
2answers
123 views

Is “Energizer A23 Battery” as a rechargeable battery? [closed]

I need to buy an A23 rechargeable battery. When I tried to search it on Amazon, there was no option to select a rechargeable property! But I found an expensive A23 Battery called a "Energizer A23 ...
0
votes
0answers
25 views

Source for a battery charger cord plugging directly into the battery, not the laptop

I am buying a new battery for an old and retired Gateway W340UA so my son can have a laptop for 5th grade. The school's BYOT rules state that they cannot charge at the school. To eliminate wear and ...
1
vote
1answer
12 views

Buying the correct battery

Looking at getting a new battery for an HP elitebook 2560p. However, there are many 9cell batteries running different mAh from 6600mAh to 9000mAh. Is there a big enough benefit in buying a 9000mAh ...
2
votes
1answer
102 views

Is there a free tool to measure idle wakeups on Windows?

I'm looking for something like PowerTOP on Linux or the energy tab of the OSX Activity monitor that will give me a count of idle wakeups on Windows.
19
votes
4answers
2k views

Can a new battery go bad if unused

My old 2008 macbook's power adapter died recently and since I was not sure if the problem was it or the battery, I ordered a new generic battery as well just to speed things up. After I received my ...
1
vote
2answers
51 views

Should I keep my notebook connected to the AC adapter all the time or “excercise” the battery

I have bought Delll 7537. I want to keep the battery in the good shape. I have not found clear answer how should I treat the battery. Most of the time I use ma notebook indoors(I very rarely take it ...
0
votes
0answers
26 views

Am I ruining my laptop battery? [duplicate]

I have a brand new Asus ux303ln. The laptop is fine but I use it mostly for work. That is: le laptop is continuosly plugged in, on charge. I am worried whether this can reduce the life of my battery ...
0
votes
1answer
36 views

Risks of using a laptop on battery after battery replace warning

I am using a Dell Inspiron 5010 (Windows 7 Home Edition), which is 44 months old. About 2 months back, the laptop gave me a battery replacement warning. The LED which turned white when charging, ...
4
votes
2answers
118 views

Toshiba Laptop doesn't charge whilst the laptop is in use

I have a Toshiba laptop that charges while it is off - it charges normally, the battery LED shows orange (charging) as per normal. However when the charger is plugged in and laptop is on, the power ...
1
vote
1answer
246 views

Why does Chrome have so many 'Not Responding ' processes on OS X?

I'm running OS X Yosemite Developer Preview and I noticed that ever since I switched to Google Chrome from Safari, the battery of my MacBook Pro with Retina Display 15-inch (early 2013) has reduced ...
0
votes
1answer
35 views

What are the consequences of using a smaller power brick on a laptop? [duplicate]

I have found many similar questions, but no one fully satisfying. Please correct me if wrong, but from what I understand the Voltage of the power supply should match closely the specs, while the ...
0
votes
0answers
53 views

Laptop battery won't charge past 68% after dc jack replacement?

Sony Vaio FW41E laptop / Vista I experienced charging problems when the prongs on the original dc jack loosened. I have replaced the dc jack and cable, making sure I ordered a compatible part. ...
1
vote
2answers
64 views

How the PC boots even after the CMOS battery failure?

Whenever I do switch on, my pc boots straightaway. It doesnt wait for me to press the Power button. When I plug the cable and power on, computer also automatically gets powered. So I replaced the CMOS ...
0
votes
1answer
69 views

Rapid increase of battery wear level in Acer V3-571G - more than twice in two weeks

I use HWINFO64 to get information about notebook's components. There is information about battery wear level. It is a percent of battery capacity which have been lost: batteryWear = 100% - ...
1
vote
0answers
98 views

Battery charge management - lenovo

I have a Lenovo Ideapad P500 with Linux Mint installed. For some reason the battery only charges up to 59% and then it stops. I've seen similar problems solved for Windows, but not for Linux Mint. Is ...
0
votes
1answer
182 views

Lenovo W510 randomly shuts down, won't boot

Today I went to turn on my Lenovo w510 and it wouldn't stay on long enough to boot. I tried it plugged into AC power (with and without the battery) and on battery power alone. All attempts yielded the ...
0
votes
1answer
106 views

Battery 100% still charging

I have a Acer AspireV3-772G running Windowws 8.1. My battery indicator shows 100% available ( plugged in,charging) status. I calibrated the battery but no difference. Also I have bought a new battery, ...
0
votes
0answers
27 views

System does not shut down in charging mode

I kept my laptop for charging for a long time and after that when I try to shut down with the power adapter on, it keeps restarting. It shutsdown and wakes up immediately. This is not the same thing ...