Questions tagged [battery]
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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Do recommended battery charging practices for a laptop apply to an ultrabook (with non-removable battery)?
For normal laptops, everyone said that if you want to use your laptop for a long period of time at home, its better if you detach the battery and just connect it directly to power. I followed this ...
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Why does Ubuntu eat more power than Windows?
I play full screen video with maximum volume or
browse the Web with Wi-Fi.
Under Windows 7 my laptop works ~5 hours.
Under Kubuntu 10.10 only ~2 hours.
I've got an Acer Aspire 1810TZ. Battery wear ...
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Checking CMOS battery without going into the BIOS
Today, I found my Windows 10 date and time too far ahead by about 26.5
hours. The time zone is fine, and I corrected the problem by clicking
on a "Sync" button to sync with a Microsoft ...
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Windows XP/Vista/7 Check Battery Charge from CMD?
How can I get the battery status in windows? On Linux it is as simple as acpi -b but in Windows this simple task seems impossible.
powercfg -energy can get all kinds of all information, but won't ...
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Is it safe to store a battery in the freezer?
Of course, assuming you wrap it in a tight plastic bag to avoid humidity.
I have a laptop battery at my office that's not currently in use, and also won't be used at least for the next several ...
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Notebook's Battery is not calibrated. Operates at 0% for an hour
My problem is that even if the battery percentage is 0 the notebook can stay on around an hour.
I have disabled "critical battery action" on my operating systems to use more time my notebook.
The ...
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Why is my ping higher when my charger is plugged into my Dell Precision M6800 laptop?
I recently noticed that the reason my Wi-Fi was so terrible seems to be caused by plugging in my charger.
Here is a little video of it happening, trying to ping riot.de
Here is the ping when plugged ...
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What is an easy way to drain a laptop battery to 0?
I need a way to kill my battery in my Ubuntu laptop. Is there any mind numbing tasks I can Ubuntu do that will eat up the battery? I have already shut off the power management options.
The battery is ...
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Implications of using a laptop always-on as a server
I assumed that there would be a lot of information on this on both the Web in general and on Superuser, but to my surprise I can't find direct answers to these questions about using a laptop as a ...
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How long do Lithium Ion batteries normally last?
On the laptop I have, I've had to buy a new Li-Ion batter roughly every year. I do use this computer quite a lot, but I'm wondering if this is normal.
Right now, my battery is completely dead (it ...
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Laptop Battery Technology
My laptop battery has finally taken the plunge and I'm looking online for a new one. However I'm getting lost in all of the specs of the batteries that are out there. I'm looking to gain a better ...
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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 ...
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How to display battery discharge rate in watts, Windows 8 + perfmon
Windows 'perfmon' utility allows to display graphs for different counters. One of them is Battery -> "Discharge rate" that can be spotted in the internet as a good way to examine battery discharge. I ...
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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 ...
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How long does CMOS battery (3V) on a motherboard last?
Just wondering usually how long does CMOS battery last on a regular motherboard?
I read that motherboard leakage current of about 3 - 6 micro ampere. I did a calculation below but I believe that i ...
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