0
votes
1answer
30 views

My laptop battery doesn't charge

my laptop battery is nearly dead (it lasts only 10 minutes), but the major problem is that MANY times (not all) when i put the charger, the system says that there is power but the battery is not ...
0
votes
0answers
19 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 ...
2
votes
0answers
20 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 ...
2
votes
2answers
96 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
45 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 ...
1
vote
0answers
14 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%?
1
vote
3answers
319 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
53 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
76 views

Power4gear purpose and value

Asus laptops have Power4Gear app installed. Beside usual "custom" settings like when screen dims, laptops goes to sleep etc, does it have any other purpose or value? For example, does this software ...
-1
votes
1answer
35 views

Computer doesnt charge and harddrive fail after spilling fluids

I spilled tea under my laptop (Dell 7520 15R) yesterday, water got on my rams, hard drive and battery. Computer shut down immediately. I cleaned everything, assembled it and it works fine, except that ...
0
votes
0answers
30 views

Is there a way to tell a laptop not to use the battery, besides removing it?

Is there a way to tell a laptop not to use the battery, besides removing the battery physically? I mostly use the laptop as a desktop, but sometimes may need to take it into anothewr room.
1
vote
4answers
358 views

Does battery life decreases when plugged in or overcharged? [duplicate]

My laptop is always plugged in when it is switched off and i many times forget to remove the charger.
2
votes
2answers
837 views

Run laptop off AC power without charging battery

It's true that keeping lithium batteries fully charged degrades them quicker than at half charge (PDF). I bring my laptop with me in the day, but run it on the charger in the evenings. Besides ...
1
vote
1answer
103 views

How to accurately determine the remaining time of your laptop battery

I have a big issue with the estimated battery life of my laptop Though it states that i have an estimated 2hrs 23min battery life before the battery runs out , it normally lasts me only 0.7 hrs to ...
0
votes
1answer
100 views

New laptop battery charging only until 37% and keeping alive after reaching 0%

I just bought a new battery for my laptop (Sony VAIO). When I plugged it the first time it was 66% charged. I use it until I reached 5% and after that I started charging it. It just got charged until ...
2
votes
1answer
29 views

Close programs when on battery

Is there a Windows application or a script that kills programs when my laptop in not plugged in (and preferably relaunches them when charging)? I have a few background applications that use too much ...
-1
votes
2answers
230 views

Battery is getting drained very fast

My laptop is approx. 18 month old. I have changed the internal hard drive recently and I have Ubuntu installed on the system. The problem is my laptop's battery is draining very fast. When it ...
1
vote
0answers
291 views

Battery life Samsung Series 7 with Linux (Mint, KDE)

I've been trying all the tricks I can find to reduce power usage on my Samsung series 7 (Ivy Bridge Core i7, AMD Radeon HD 8570M GPU) laptop (running Linux Mint Olivia, KDE version), but it all seems ...
1
vote
1answer
43 views

Battery: uncharging?

I have a Lenovo Laptop (G470). My OS is Ubuntu. Five minutes ago my computer said that only two minutes were necessary in order to have the battery fully charged. Right now the indicator says that I ...
0
votes
1answer
119 views

Laptop screen dimming

On my laptop, when I press the Fn keys that dim the screen - is Windows doing the dimming, or the hardware? Are if it is the hardware, would using software to dim it further improve battery life?
0
votes
0answers
582 views

It seems Windows 8.1 killed my two T60 laptop batteries

Upgraded Windows 7 to Win8 earlier this year, and last week upgraded to Windows 8.1. (Lenovo T60) Had no problem with battery usage when on Win7 nor Win8. After about a week of Win8.1 on my system, ...
3
votes
3answers
2k views

How can I limit battery charging on a Surface Pro (2) or Windows 8(.1)?

Limiting the maximum amount that a battery can be charged extends its life. Historically, utilities for this have been provided by the manufacturer (i.e. on Sony and Lenovo). Does Windows 8 or 8.1 ...
2
votes
3answers
111 views

Fixing poor battery life on Windows laptop

I am a college student and I use my laptop in lectures to take notes or (in the event of a boring lecture) work on assignments for other classes. With only vim and a web browser open, I still only get ...
1
vote
1answer
63 views

Why was my laptop unable to turn on?

I suspended Ubuntu on my laptop, and then carried it in my backpack to another place. Then I found that the laptop was off instead of being suspended. I couldn't make it power on either, even with ...
0
votes
1answer
86 views

Laptops and batteries left plugged in

What kind of batteries can be left plugged in and not suffer any side effects such as less battery life or exploding? I was told some laptops and even some apples can be left plugged in continuous ...
0
votes
1answer
88 views

unplug the laptop battery when the laptop is working [duplicate]

I usually plug the charger to my laptop, whiles my battery is plugged in. After a while, when my battery became fully charged I remove it from laptop, while the laptop is still working. Now I want ...
2
votes
2answers
321 views

Do ULV Core i5 CPUs consume same power as i7 CPUs if they use same TDP?

Title says it all really: If you have a Core i5 CPU and its TDP is 17W and there is a Core i7 CPU which also has TDP 17W, will they consume the same battery power even though one runs faster? I am ...
3
votes
1answer
4k views

Application to only partially charge laptop battery [on hold]

I was wondering if there were any software packages out there that will prevent my laptop battery from charging above a specified level. I know there are propriety options out there for Samsung and ...
0
votes
1answer
2k views

Are there any Linux distros that are specially made for laptops? [closed]

I have tried and tested Ubuntu, Linux Mint, Arch Linux and Windows. Recently I have come across Open SUSE. I was wondering what are some Linux distros that are specially designed for laptops. I am ...
0
votes
1answer
164 views

Laptop getting shutdown / run by battery after 10 minutes

Laptop is getting shut down after 10 minutes while it's run without battery - but with battery as well as plugged in it runs first 10 minutes by power then automatically runs by battery until the ...
-1
votes
2answers
2k views

Laptop battery software to disable charging AND battery usage

I'm going to buy a Microsoft Surface notebook that does not have the capability to easily remove the battery. I'm also going to be near a powerpoint for around 90% of my usage of this notebook. To ...
4
votes
2answers
531 views

Does depleting the battery completely do damage to it?

This question applies to laptops, but also to smartphones or anything that's battery based and rechargeable. Does depleting it completely (Computer won't even turn on, or turn on but shuts down ...
0
votes
1answer
117 views

Put and remove laptop battry while working

When I work on my laptop I remove the battery and work on AC power, but some times I want to move the the lap while its on I was think of putting the battery then remove the AC power, and when come ...
0
votes
0answers
3k views

Can a faulty battery cause my laptop to shutdown even on AC line? (battery installed AND plugged in together)

until recently I experience something rather annoying (and troublesome) with my laptop: it spontaneously shuts down itself without any warning, and restart right after that. No blue screen, no hanging ...
3
votes
5answers
2k views

Is it normal for a laptop to discharge to 60% when not plugged in and not turned on for 5 days?

I recently purchased a Lenovo IdeaPad Y400 and have noticed that after I do the following: Use the laptop while plugged in Shut down and unplug (it is fully charged at this point) Turn it back on ...
3
votes
1answer
99 views

How is battery charge reported to the operating system?

This feels like a stack exchange EE question, but it seems like it belongs here instead. How is the charge of a notebook computer's battery reported to the operating system? Since all laptop ...
1
vote
1answer
196 views

My laptop's battery is 46% worn - what can I do?

I've got an Asus Eee 1005PE "netbook" laptop with a 6-cell battery. The usage pattern has always been to let it drain down to 10-40% capacity and then let it recharge during the night. I realize ...
3
votes
2answers
2k views

Battery plugged in, not charging

This is a new battery and this gives the problem of Plugged In, Not Charging for the past two days. I have no clue as to why this is happening. Sometimes it does, sometimes it does not. Battery Wear ...
1
vote
1answer
840 views

Modify Laptop Battery's internal status?

Is there any way to modify the values of the laptop battery to make it fully charge? I assume that these values are stored in EEPROM. I would like to know if there is any tool that can read/write ...
5
votes
3answers
6k views

How does limiting a laptop battery's full charge to less than 100% extend its battery life?

My laptop lets me limit how much of the battery will charge before reaching full charge: At first, I understand what the intent is. I know that overcharging a battery will result in degradation of ...
1
vote
2answers
1k views

Dell Vostro 3500 battery life remaining missing from Windows 8?

On Windows 7 a Vostro 3500 laptop shows the battery life remaining, while on Windows 8 this information appears to be missing. The percentage is still available, but the life remaining is missing. ...
0
votes
1answer
58 views

troubleshooting battery performance (toshiba satellite)

I replaced my old rankling battery with a new one, but something odd is happening, the battery reaches some level (say 30) and then jump straightly to 7% with a dialog box that normally appears when ...
-1
votes
1answer
293 views

Battery level is incorrectly displayed on Dell Studio 15 with Windows 8

After removing my Dell Studio 15's laptop battery charger I'm not getting the perfect battery level displayed in my Windows 8 task bar. At 82% it displayed 3 hr 32 min and at 75% it's displaying 2 ...
2
votes
2answers
496 views

Kubuntu 12.04 notebook battery droping fast

I have a simple problem. When I am using Kubuntu 12.04 and doing some simple stuff like IRC, Chrome, Tor and Okular, my battery lasts 1-1.5 hour. With Windows 7 and same kind of programs, it lasts ...
0
votes
1answer
735 views

Electrical Surges And Power Outages - What Is The Proper Laptop Battery Care While Running Solely On Battery? [duplicate]

Possible Duplicate: Should laptops remain plugged in when their battery is 100% charged? What is it that kills laptop batteries? Because of convenience, I had to move my laptop to another ...
-1
votes
1answer
199 views

Can you disable the GPU on a Macbook Air?

Can the graphics processing unit (GPU) be disabled on a 2011 Macbook Air as a means of increasing battery life?
0
votes
1answer
159 views

Prevent hardware from loading or consuming (battery) power?

I'm using an Asus Zenbook UX32VD notebook and would like to maximize its battery life. Would it be useful for me to disable devices that I do not use, such as the internal bluetooth device? Also, ...
1
vote
1answer
143 views

Is there an adapter that will allow me to plug my power source directly into my battery?

I know there are "external battery chargers for laptops", but I would like to know if there is an adapter that will plug my existing power source directly into my battery. Does such a thing exist and ...
2
votes
3answers
323 views

Increasing Laptop Battery Service Life [duplicate]

Possible Duplicate: What are some good practices for making sure my laptop battery serves its full life? I use my laptop as a replacement for desktop. I generally use it for 6 to 7 hours a ...
1
vote
1answer
616 views

Performance and Battery Life

Okay, I'm looking for hard evidence to settle an argument. From a developers perspective, the argument of CPU usage and battery life comes into play often. If a CPU is throttled to use 10% of its ...