Battery life refers to the amount of time that a portable computer such as a laptop can function while powered only by its battery.
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1answer
19 views
Laptop battery discharge jump/non-linear - replace?
I have a 3yr old laptop, Acer 1810T olympic edition. Battery parameters, as written on the battery itself: 11.1V, 5.27Ah, 5600mAh, 63Wh. What's been happening lately is that it goes normally down to ...
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0answers
36 views
iOS Cydia tweak to keep screen off when on lockscreen ? “Hold home button glance”? [closed]
Is there a cydia tweak available or a way to code a tweak that would let me use the home button as a glance button for the lockscreen ?
With features as follows.
Hold home button screen turns on. ...
4
votes
2answers
83 views
Dell M6700 much slower when connected to external battery pack (Energizer XP18000)
A while back, I bought some external battery packs to extend the battery life of my laptop. They're Energizer XP18000s. But I got the feeling that my laptop was going much slower with the battery ...
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2answers
335 views
Vista Low Battery Life Notification Application
I am looking for a program that will minimize all open applications and display a pop-up box saying that the battery has reached a certain level or percentage...
Has anybody heard of such an ...
3
votes
4answers
172 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 ...
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votes
1answer
39 views
Kubuntu 12.10 laptop battery droping fast
I have done fresh install of Kubuntu 12.10 on my HP Pavilion G6 Laptop. I'm a bit nervous that my battery is not lasting more than 1 hour while for Windows 8 it was lasting for 5 Hours(while using ...
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vote
2answers
50 views
How to prevent PC's system resume
Here's my situation:
I left my laptop ON last night and got fully discharged its battery.
It has already a hard drive faults. Only a week since the SMART warning always appearing whenever I boot it. ...
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1answer
75 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 ...
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2answers
6k views
How can I fix a laptop battery that won't fully charge?
The battery in my laptop (a Gateway EC13N01i) won't charge fully. The charge meter seems to be stuck at 92%. How can I fix this? Please provide step-by-step instructions.
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0answers
233 views
Effects of disabling “Microsoft ACPI-Compliant control method battery”
I've been looking for software to disable the charging of laptop battery when the AC Power is in, since I have a laptop without a removable battery and am near a powerpoint 90% of the time.
I've ...
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2answers
141 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 ...
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votes
4answers
2k views
Poor battery life Windows 8
I have an Acer laptop (AS4820TG, it's about 2 years old), and I recently installed Windows 8 to a partition I made on my SSD (now I'm dual booting 7 and 8). My laptop's always had pretty good battery ...
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5answers
133 views
Macbook started to consume battery more quickly
This seemed to happen after I did several things at once (all of which I have since reversed in trying to track this down):
installed a (Crucial M4) SSD drive (replacing my old SATA 5400 RPM drive),
...
3
votes
1answer
4k views
Does the samsung “battery life extender” work?
I have bought a Samsung series 9 15inch (NP900X4C), and there is an option called battery life extender :
Sets the maximum battery charge level to 80% to extend the battery
lifetime.
Samsung ...
3
votes
2answers
68 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 ...
3
votes
2answers
526 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 ...
0
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1answer
48 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 ...
4
votes
5answers
3k views
Logitech M705 Wireless Mouse: Are the batteries dying, or does the device have a hardware failure?
I have a Logitech M705 wireless mouse. I'm first time using a wireless mouse, so I don't have much experience with the hardware features and behavior.
It is rated that it runs for 3 years with the ...
9
votes
6answers
8k views
What is the impact of leaving a laptop in “sleep” mode (while on battery power)? [closed]
How much battery would leaving my laptop at "sleep" mode consume? is the consumption low enough so that it would be safe to leave the laptop sleeping at nights regularily and using it tommorow?
...
0
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0answers
409 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 ...
0
votes
1answer
31 views
Does Windows drain more battery power when patched? [closed]
I've just reinstalled my windows 7 and noticed that the battery consumption is much lower. I already have installed all software that runs on startup. I also tend to keep my pc clean so I'm now ...
2
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3answers
72 views
How can I ensure a longer life for uninstalled batteries?
I picked up a few HP TouchPads for me and the family over the weekend, but I want to be prepared for the future. I would like to buy a couple of batteries now so that I can replace them myself when ...
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1answer
539 views
battery laptop always 0% cannot fully charged
i have laptop Toshiba l645 and the battery cannot fully charged (always 0%).
How make it back to normal ?
In windows 7 i ever try safe mod and it is still 0%
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votes
3answers
12k views
Re-Calibrate Toshiba battery meter with Windows 7
I have a Toshiba U300 laptop. Back in the olden days (circa-2000) you could re-calibrate the battery meter from the BIOS when your battery was no longer reading accurately.
My battery was shot, so I ...
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votes
2answers
2k views
i7-3537U or i5-3337U - How much does it affect battery life [closed]
I want to purchase a laptop, will be using it mostly for general study work, word, excel, web surfing, movies etc.
I finally came down with two dell laptops, only difference with the processor, one ...
92
votes
9answers
28k views
Is it better to use a laptop on battery or on AC power?
When I'm at home, is it better to use the laptop plugged into AC power, or with just the battery, for the overall battery life?
3
votes
1answer
67 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 ...
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vote
1answer
76 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
528 views
How do I keep a MacBook battery charged to only 70%?
A chemist told me that a battery should be charged to and used between 30-70%, and its very bad for battery life to completely load or unload it.
He uses a utility program that always keeps the ...
1
vote
0answers
107 views
Repeating mysql error in OSX console
I'm getting an endlessly repeating set of errors in my mac's console that go as follows:
Jan 6 00:21:37 Air com.apple.launchd[1] (com.mysql.mysqld): Throttling respawn: Will start in 9 seconds
Jan ...
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votes
1answer
145 views
Does a dedicated GPU drain battery life heavily during normal use?
Suppose you have two identical ultrabooks but one uses dedicated graphics instead of using the one in the CPU, if you execute the same office tasks on both machoines (i.e., not gaming) will the ...
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votes
6answers
3k views
Can I reduce the CPU speed of my MacBook when on battery?
I've got a MacBook with a Core 2 Duo CPU. I've got CoreDuoTemp installed which can show the current speed of the CPU. It appears to always show:
Mini : 1.0 GHz
Maxi : 2.0 GHz
Current : 2.0 GHz
I ...
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votes
1answer
89 views
Measuring how much battery charge a process uses in Windows
As battery life in most laptops is naturally limited to a few hours, is there any way to know how much battery a process (i.e. Microsoft Word or GNS.exe) is using? Like process A is using this much ...
4
votes
3answers
4k views
Battery life with i3 vs. i5 vs. i7
I recently purchased a laptop with an i7-640m processor (blinded by a discount), and my battery life is fairly horrendous: the manufacturer given battery life is 6 hours (I know, it's an upper bound), ...
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1answer
207 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 ...
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votes
1answer
168 views
How do I interpret the information regarding the Vivobook S400CA battery life?
I'm interested in an ultrabook, but I cannot understand it's battery life's spec.
The model's website indicates that it has
44 Whrs Polymer Battery
How does this information translates into the ...
3
votes
2answers
599 views
Battery management of a Macbook
I bought a Macbook Pro last week. I mostly use (and plan to use) it like a desktop with an external monitor. I use the system at least 15 hours a day. Now using the coconut battery application, I ...
3
votes
4answers
2k views
How can I identify which application is responsible for my battery life being short?
My laptop is getting much shorter battery life than advertised, and obviously that's going to be due to some code running that's draining it faster than is optimal.
How can I (using Mac OSX 10.6) ...
3
votes
1answer
164 views
laptop mode in Linux vs solid state drive (SSD) [closed]
I have a device running Ubuntu 10.04 with SSD drive and want to optimize its power consumption. As far as I understood laptop mode documentation, it is intended for conventional disk drives.
Does it ...
0
votes
0answers
153 views
Better mode to save health battery of MacBook Pro retina [closed]
I have bought a MacBook Pro retina display last week and I wanto to know what is the best method to save the battery.
I have read that I have to unplugged the MegaSafe until the battery is less than ...
3
votes
4answers
2k views
Battery charge suddenly drops from about 25% to 6%
I own a Lenovo Y500 series laptop.
The battery being an year old lasts only 1 hour.
But the strange thing is that, when the charge comes down to 25-20 it drops to 6%(critical battery level) in a ...
11
votes
8answers
4k views
Do newer laptop batteries still need to be drained before recharging?
10 years ago when I was doing hardware support it was best practice to fully drain a laptop battery prior to recharging in order to maximize its life. Is this still the case or can a battery now be ...
0
votes
1answer
43 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 ...
3
votes
2answers
938 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 ...
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2answers
773 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.
...
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votes
2answers
300 views
Do live tiles continue to update when I'm not looking at the start screen?
If I glance at my start screen, do I need to wait a few seconds for the tiles to show up-to-date information? Or do they continue to update when I'm not looking at the start screen?
18
votes
8answers
658 views
What are some good practices for making sure my laptop battery serves its full life?
Basically, I'm looking for some do's and don'ts. Is it bad to keep my laptop plugged in when I'm not using it (majority of the time)? Is it bad to plug it in once I've finished using it (with it ...
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votes
1answer
216 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 ...
0
votes
1answer
111 views
What is the best way to switch off unused wireless keyboard in the range of working receiver?
I recently bought a Logitech Wireless Keyboard and mouse with unified receiver (Logitech Wireless Combo MK220).
I did not like wireless keyboard, so I use PS2 keyboard + wireless mouse.
No wireless ...
2
votes
2answers
307 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 ...
