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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24 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
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2answers
16 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 ...
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2answers
26 views

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

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 ...
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0answers
14 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
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1answer
10 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
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1answer
63 views
+50

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.
17
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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
votes
1answer
58 views

Macbook pro 15 retina battery issues

My battery drains at rate of of 1% per roughly 1.5-2min - max battery life is roughly 3.5 hours on a full charge. I have open chrome 5 avg tabs, sublime text 2 switch between files/tabs, terminal 4 ...
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2answers
34 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
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0answers
25 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
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1answer
29 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, ...
3
votes
2answers
90 views

laptop not charging while laptop is on

I have a toshiba laptop, while is off and charger is plugged in, it charges normally and battery led showing orange normally, while charger is plugged in and laptop is on power led is off, it doesnt ...
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0answers
44 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
32 views

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

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
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0answers
27 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. ...
0
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1answer
26 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 ...
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0answers
20 views

Tablet only charges from PC USB

Help asked for strange problem I have a 10 inch tablet. It was supplied with charger and Android plug (Type A Male to 2.5 x 0.7mm(2.5 x 0.8mm) Male Plug) After a few times it would not charge even ...
0
votes
1answer
29 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% - ...
0
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0answers
41 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
43 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
51 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
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0answers
19 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 ...
0
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0answers
37 views

Dell inspiron n4010 battery won't charge

I'm having a dell inspiron n4010 laptop. The battery was getting weak day by day and one day I used the battery to full of its capacity. From next day on wards the laptop won't power up with the ...
0
votes
2answers
38 views

battery status light flashing orange, what is it?

The battery status light on my Studio XPS is blinking. 1 white, 4 orange. What is the problem and how can I fix it or stop it? The battery can only run for about 10 minutes without the AC adapter. I ...
0
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1answer
56 views

plugged in, not charging

My acer aspire r7 won't charge and it states "plugged in, not charging." Looks like this is a fairly common problem people are having. I have tried many suggested solutions that I I found ...
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0answers
51 views

Force Windows 7 to think it is running on Adapter Power and not battery

Anyone know how to make a Windows 7 Laptop think it is running on AC Adapter power? This laptop (HP G62 series) has a usable battery which holds charge but it has a not-official power adapter which I ...
0
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0answers
85 views

Issue with Toshiba Satellite C50 A-1JM

I am having some odd problems with my Toshiba laptop. For the last two days, it has not loaded past the boot screen for hours, if at all. When I force the laptop off and switch it back on, it goes to ...
0
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0answers
26 views

HP 620 - Every battery needs replaced?

I have got a HP 620 Laptop with Windows 7 Professional 64-bit. Recently I've noticed my battery says it needs replaced when it was not charging. The only problem is that I have now changed the ...
0
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0answers
14 views

Battery Spikes in New Laptop

I just bought a new laptop and but it seems like there is a problem with it when it charges. When I plug it in , it charges up to 100, but when I unplug it after it has charged it immediately drops to ...
0
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2answers
43 views

Does running a laptop without the battery cause it to consume more power?

If I am using a laptop without battery and running it on direct charging, does it consume more power or same as with battery?
1
vote
1answer
53 views

HP Elitebook 8530p's CPU Increases to 100% when Plugged In

I apologize if this post is too long or doesn't describe the issue properly. I have absolutely no idea why it is doing this, apparently it is a problem with HP computers or a particular strand of them ...
0
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0answers
80 views

HP Battery Alert error 601

It's an "internal" battery error that my HP laptop has been recently getting in different forms, with a forced restart. I was wondering whether the primary/internal battery means the big one I can ...
0
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0answers
34 views

UPS battery replacement

For the UPS model Niky 900 by Daker, I'd like to replace the original CBS HR1234W F2 battery with something I can buy on amazon.it, e.g. FIAMM models: could you suggest what are the relevant ...
0
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1answer
26 views

just bought universal power supply, how adapt it to my laptop

i just bought an universal power charger but does not adapt to the right voltage. The original charger is 19.5 v and 6.15 a, and the charger i bought is 12/15/16/18/19/20/24 v and 4.5 a. What should i ...
1
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2answers
36 views

Is MicroUSB powerful enough to charge MiniUSB devices?

I have a few MiniUSB devices, living in a very MicroUSB-dominated world. It would be much more convenient for me to leave a MicroUSB charger plugged in all the time, and just throw on an adapter when ...
0
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0answers
33 views

Battery & Fan issue

System ASUS N56VJ Ubuntu 14.04 - 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Issue: Sometimes when I start up my laptop, the fan turns on at full ...
0
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0answers
45 views

Battery indicator not updating in Windows on Macbook Air 13'' (early 2014)

I have just bought my new MacBook Air from early 2014 and I have noticed a problem after installing windows by using boot camp. The battery doesn't show how much time I have got left, and the battery ...
-1
votes
1answer
37 views

laptop battery drains while shutdown

When I shut down(not sleep or standby or hibernate) the computer the is at 80%. Next morning I tried open my laptop it didn't start without plugging the ac power because the battery level is 0%. I'm ...
1
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0answers
50 views

Laptop battery completely discharges while in the laptop, even when not in use

My Laptop Battery completely discharges while in the laptop, even when not in use. I fully charged the battery, removed it from the laptop, and kept it separate. After 3 days I checked it and it was ...
0
votes
0answers
24 views

How should i use my new lenovo laptop(power supply)

I usually keep it at home. Is it alright to use it plugged in? I don't want to mess up the battery. I love how smooth the laptop runs plugged in and i dont want to strain the battery by changing ...
-1
votes
2answers
58 views

Desktop PC, unplugged, hibernation, draining motherboard battery?

If I put my PC to hibernation and then unplug it, will it drain the motherboard battery? I've read a lot of posts, but this is one thing I haven't seen, because of laptop users. Does hibernation drain ...
2
votes
0answers
23 views

Is there a way to estimate the current life of my ancient phones battery? [closed]

I have a 3 year old S2 and I wonder if there is a way to estimate how much weaker than new the battery is right now? Something like a percentage (50% of new) or effective capacity(1000 mAh). Is this ...
1
vote
1answer
20 views

Automatic sleep on idle computer at specific battery level

Can I create a task in task scheduler that starts when a specific battery level reaches on idle computer to go to sleep? Windows does give option to make computer to go to sleep at specific battery ...
2
votes
2answers
126 views

Why is there such disparity in battery life between wireless mice?

When comparing the specifications of wireless mice, the battery life figures I encounter (as reported by both manufacturers and users) can be wildly different, even between similar mice. For example: ...
0
votes
2answers
58 views

Will stopping a charge cause a decreased life span of the battery

Occasionally, I need to stop battery charging, for example at 50% due to emergencies. Will stopping a charge cause a decreased life span of the battery? Also, will leaving battery plugged in when ...
0
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0answers
13 views

Replaced battery on laptop, charger burnt out

I replaced my laptop s battery (laptop is 4 years old and I used it ALOT) and let it go empty. Then I used the charger, but now that one burnt out. (Not really flames, but burnt indeed). I can t find ...
0
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2answers
72 views

Is it safe to leave a Li-ion battery for weeks unplugged while it's not fully discharged ? And is it safe to unplug it while the PC is on?

Is it safe to unplug a li-ion battery not-discharged and leave it unplugged for a considerable period of time? (Less than a month) Is it safe to unplug the battery while the PC is on and directly ...
0
votes
1answer
202 views

Battery only charges when Laptop is off

My laptop only charges when it is off. If I try to charge it when it is on it says "plugged in, not charging". I just got it 3months ago and I've not changed its battery or charger. My Laptop is an Hp ...
1
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0answers
19 views

What depth of discharge does 0% in a UPS correspond to?

When a UPS like an APC Smart-UPS shows 0% charge remaining, does it mean the deep-cycle batteries are completely discharged or that they're at 20%?
0
votes
0answers
20 views

Thinkpad E420S powers on but doesn't boot for 15-20 minutes

What exactly is happening is: I shutdown/hibernate the laptop after using the day before and go to sleep The next day when I turn on the laptop - the thinkpad 'i' lights up (stays up) and the fan ...