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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10
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2answers
671 views

Laptop Either Shows 100% or 0% Charge

I have a strange issue with my Compaq CQ 61 running Windows 2012 (server) and I have Googled for it really long and hard and also searched other questions here but in vain. I believe my problem is a ...
0
votes
2answers
15 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 ...
0
votes
1answer
30 views

Battery Meter in Windows 8.1 keeps showing “Balanced” a the top

I often use High Performance and Power Saver, but the "Balanced" power plan keeps staying at the top and I can't rearrange. How I can change what plans should be shown so I don't have to go to Power ...
-1
votes
0answers
9 views

Battery not charging while working on AC [duplicate]

I have an Acer Aspire 4739z laptop, few days ago it works well. But now I'm facing some problem in batteries. My laptop works only in AC Power, suppose if the power shuts down laptop also suddenly ...
0
votes
1answer
24 views

Sony Vaio Pro 13 (SVP13212SGBI) can no longer run when mains is not connected

I bought this laptop brand new in February this year, and only in the last week or so has it started showing this brokenness. The degradation was somewhat gradual, since I was able to run the laptop ...
0
votes
0answers
38 views

Vaio VPCSA Battery Not Detected

Out of nowhere my Vaio VPCSA stopped detecting the battery. My battery was working fine. I was getting a couple hours of streaming video on just the battery. Then last night, while on AC, the battery ...
1
vote
1answer
84 views

Which CPU is expected to have a better battery life?

I'm considering the following two cpu models for my next laptop: Intel® Core™ i7-4700mq, i7-4500U processors I understand that the 4700 mq will give me much more computing power, and that the 4500u ...
0
votes
0answers
19 views

Archlinux - Battery detected only on AC plug/unplug

I use Archlinux on a new Dell Inspiron 14. I need to plug/unplug the power cord to have the battery detected. For instance, now, the battery icon tells me that no battery is connected and $ ls ...
0
votes
0answers
41 views

How to optimize battery lifespan of Lenovo Z510?

I just bought a Lenovo IdeaPad Z510 laptop, and before I boot it for the first time, I want to make sure to know the exact proper care to ensure the best optimization of the battery's (4 cell 48 ...
1
vote
1answer
33 views

my laptop is not charging when switched on

I have an satellite l735-11f laptop and i have been facing a problem where the laptop battery does not charge even when power cable is plugged in. I have noticed though that i am able to charge my ...
0
votes
5answers
52 views

new laptop battery usage [duplicate]

I have a new hp laptop 4cell battery I am confused about using battery and charging it I have read it is not suitable to keep it pluged in all the time but where I live it has power fluctuation ...
1
vote
1answer
59 views

Keyboard and touchpad stopped working after battery drain in Samsung notebook

I was watching a video on my Samsung 400B4B notebook running Ubuntu 14.04 when it went to sleep because of low battery level. I plugged the AC power, resumed from the sleep but now the keyboard and ...
0
votes
1answer
31 views

SSD Causing Battery To Die Almost Instantly?

I'm a little stumped a what the problem is. I recently got a used a laptop and I swapped out the 500GB 5400RPM hard drive for a PNY 120GB SSD drive. When I unplug the power from the laptop, the ...
0
votes
1answer
53 views

Battery reports it's fine, but notebook won't boot /wo AC plugged in

I am running Acer Aspire Timeline Ultra M5-581TG. I opened it up to clean (as I've done twice before), assembled it back and now observe weird behaviour: the laptop won't react to the power button ...
-1
votes
1answer
20 views

ASUS Notebook PC doesn't turn on

I have a new ASUS T100 Notebook PC. I charged it for 8 hours before use, as per the user manual. The first day, when I turned it on, it was fine, but two days later, when I tried to turn on the PC, it ...
0
votes
1answer
95 views

Dell Venue 8 Pro: why is the battery designed to charge up to 87%

I noticed that my Dell Venue 8 Pro (Windows 8.1) battery does not charge more than 87%. So I uninstalled the ACPI-compliant control method. It reinstalled automatically on reboot. The charge was now ...
0
votes
1answer
45 views

Is it possible to show a warning when laptop battery gets down to 20% remaining battery life? [duplicate]

I have a Dell laptop running Windows 7. When running on battery power, an alert pops up when the battery goes below 7% remaining battery life. Within 5 minutes of hitting 7% it goes into sleep mode. I ...
1
vote
2answers
32 views

Battery showing 100% charged with ''Consider changing your battery''

Is it normal to have a laptop have the warning ''Consider changing your battery'' but whilst also showing 100% charged. I've got the red cross on the charge symbol showing with Windows 7 on my Acer ...
0
votes
3answers
101 views

Ask for date on boot (challenge)

Issue An old laptop computer with XP loses date every time it boots. It has no more battery pack so it has to be plugged permanently in to wall. What I already tried Replaced the little button ...
1
vote
3answers
100 views

Lenovo laptop: Is it ok to leave the battery charging while it is being used? [duplicate]

Is it ok to leave the battery charging while it is being use? Or is it ok to keep the power plugged in with full charged battery while the laptop is in use? Can this shorten battery's lifespan?
0
votes
1answer
67 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
0answers
65 views

Dell BIOS update appears inefective

My Dell XPS M1330 currently has BIOS version A11 which is too outdated to install windows 7 Home Premium. I followed the instructions on the Dell support site, downloaded the appropriate BIOS update ...
0
votes
0answers
66 views

Switching to pre-mavericks low battery notifications OS X

I turned off notification center on my mac because, well, I despise it. The one notification I want is a low battery warning, but that has been moved into notification center on mavericks. Is there ...
0
votes
0answers
30 views

What is the most effective way of using a MacBook Pro with an external monitor?

I have an early-2013 MacBook Pro with Retina Display 15-inch and it has been working amazingly for the past year. I spend around 8 months at school and 4 months at home. In school, I need the laptop ...
0
votes
1answer
19 views

tablet + wired network + recharging

Can any tablet simultaneously recharge and use a non-wireless network? The goal is like an always-on kiosk-like touchscreen, in a location that forbids wifi. Ethernet (not Internet) would be e.g. ...
-6
votes
1answer
38 views

what happened to laptop if it suddenly die without the battery and it is due to power failure, [closed]

I do remove the battery every time I used it for long hour, is this bad and it can damage the hardware and it if can damage hardware what hardware it is. Can also give me advice what should I do in ...
0
votes
1answer
51 views

What are the negative effects of a flat CMOS battery?

Recently I have noticed that my computer has been starting up with the time and date incorrect. Given that my motherboard is about 7 years old I'm guessing that the CMOS battery is flat (or close to ...
1
vote
0answers
104 views

Should a laptop battery be 100% healthy out of the box? [closed]

I recently purchased a brand new Dell laptop. An immediate test of battery health showed that the battery was only charging to 82% of its designed capacity. That means it can be charged only up to 39 ...
0
votes
0answers
18 views

adapter with 19.5 v - 3.33 A.. compare my original adapter +19 v - 4.74 A.. is it okay for using it? will it harm my laptop? [duplicate]

my current adapter with 19.5 v - 3.33 A.. compare my original adapter +19 v - 4.74 A.. is it okay for using it? will it harm my laptop? please help me with your great information. thanks
0
votes
2answers
59 views

Laptop battery will not hold charge after spillage

I had a spillage on my laptop (white wine if you're interested). Thankfully the laptop seems to have survived however the battery no longer holds a charge. What makes this unique (from searching ...
0
votes
0answers
22 views

HP 630 notebook loosing battery charge without any reason

I have a HP 630 notebook that runs on Windows 7. I think its loosing battery without any reason. I felt so because, its not showing the same battery charge level when switched on. So I decided to ...
0
votes
1answer
40 views

Benchmark performance 30% speedup in mains over battery operation?

This observation arose as I was evaluating the running time efficiency of various implementations of a prime sieve algorithm. The surprise was finding that differences between the best algorithms was ...
0
votes
1answer
70 views

Laptop suddenly gets turned off at charging 45%

Mine is acer aspire S7-392-9890 model ultrabook and It is very new. I just received it yesterday! I am totally happy with it except the charging. It really put me in shock when it first turned off ...
3
votes
1answer
82 views

How can I make my Samsung Series 9 laptop charge the battery to 100%?

I use a Samsung Series 9 laptop running Windows 7. I notice that when I connect my laptop to its charger, it charges the battery up to 80% and stops there. I believe this is to extend long-term ...
1
vote
0answers
21 views

How can i get the pinout of 6510b battery? [closed]

I need to create an external charger for the battery. I am looking to know the battery pinout configuration. Please guide me. Thanks.
0
votes
1answer
76 views

Why Windows 8 is giving low battery warning sometimes at 7%, sometimes at 10%?

My Windows 8.0 behaves inconsistently with low battery warnings. Sometimes I receive it at 7% of battery, sometimes at 10%. I thought it depends of current power plan, but settings of ALL plans are ...
0
votes
0answers
15 views

How do I disable new device detection in Windows 98? System freezes when installing ACPI Battery

So, I have Preperad an external USB HDD in VMWare with Windows 98 SE on it and unofficial Service Pack 1 and 2 installed. It works fine in the machine (windows 98 SE boots nice FROM USB! wow, in the ...
2
votes
2answers
109 views

Can using a under powered laptop charger make my notebook shut down under heavy load?

I have a XMG P501 gaming laptop based on Clevo P150HM models at the moment connected to an under powered laptop charger. It is shutting down when under heavy load (3dmark, some games in particular) ...
0
votes
1answer
46 views

Battery Notification

I brought a new Toshiba laptop battery. It is getting a charge and when unplug power it discharges, but it doesn’t shows the battery notification when the battery becomes low. Instead it will get ...
0
votes
0answers
20 views

Random battery life display on laptop

I have a problem with my laptop, mainly the battery display always shows battery is at 100% capacity with random time left ( like 70 hours left), the computer shuts down without any warning since I ...
6
votes
2answers
166 views

UPS - practical maintenance advices to help end-user keeping batteries (classic lead acid models) in good shape

I have read that most (maybe all?) UPS devices for personal computing have lead-acid batteries inside. As long as its chemistry, compared to lithium-ion, is very different, I would like to know ...
2
votes
1answer
130 views

Why has my Battery Icon stopped updating in Linux?

I noticed something funky happening over the past week. My battery icon stopped updating. For a more specific definition, here's the expected and current behavior in detail: Expected Behavior ...
0
votes
0answers
39 views

CMOS battery lifespan

How long does it take for a CMOS battery to STOP working since the first instance of a failure. For example, if a CMOS battery fails on Jan 1, but then works without problem until May 1 (four months ...
0
votes
0answers
115 views

Battery icon says charging - but its not really plugged in. Samsung notebook win 8.1 issue

I have a series 9 samsung laptop recently upgraded to 8.1. It suddendly stopped charging the battery when it is ON, but it does when its turned off or sleeping. Therefore I beleve its software ...
0
votes
0answers
9 views

Debugging power on issue

First off I don't know if this is the correct fora, for this kind of question. My personal Acer Aspire 5745G has an issue, namely that it usually has issues powering on. The issue is that when the ...
0
votes
2answers
56 views

Can I charge my laptop using an External laptop charger?

How can I charge my Gateway laptop without using a computer? My battery cannot be charged onn the computer because the mother board is damaged.
0
votes
0answers
163 views

Macbook Pro 2011 Battery won't charge after it drained out 100% plus can't boot

My macbook was working fine until my magsafe charger's pin got broken. I unplugged magsafe charger as it was not charging and had faint green light. I continued to use Macbook until all of the battery ...
0
votes
1answer
38 views

Processor Throttling, Speeds and Battery life

Does throttling the CPU down give you more battery life? Does i3 give you more battery life over an i7? Just I've not had the options to really test this theory as it requires having the same laptops ...
0
votes
1answer
46 views

Is my laptop's battery dangerous?

I've been using a battery in my laptop for 3 years and I've kept it in fairly good condition until now. My routine was to keep it plugged in most of the time but use it on battery once or twice a week ...
16
votes
6answers
2k views

Does more RAM usage cause more battery usage?

I'm using a 2 year old 15" AMD laptop running Windows 8, and its battery life is not as long as the brand new ultrabooks for sure. In the place I'm currently working I don't have access to a power ...