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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How does Windows detect battery issues?
I have a laptop that's a little over 5 years old, and I've never changed the battery, so I believe Windows 7 when it tells me "there is a problem with your battery", and to consider replacing it.
My ...
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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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Can I run a computer using DC power?
I always thought that using a conventional UPS with a PC is highly inefficient. Power goes from AC -> DC -> AC in UPS and then AC -> DC in PC SMPS. Since PC works only with DC (12, 5 and 3 volts) It ...
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Is a UPS a good investment for a home machine?
Is it worth the money to invest in a battery-backed UPS unit for a home machine? Or is it a waste of money? The purpose of the UPS would be to prevent a "meltdown" of the computer due to bad power ...
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Fastest way to drain battery
I'm using Mac OS X 10.7.1 on a Macbook Core 2 Duo.
What's the fastest way of draining the battery without crashing the system and preferable by using some sort of a script?
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Extra battery in the bay of an HDD
Some modern laptops ship with an M.2 NVMe interface for an SSD and a SATA interface for an HDD.
Is it ever possible to install an extra battery in the bay of the HDD, so as to have two internal ...
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Is a CMOS battery rechargeable?
Is a CMOS battery rechargeable? If so, what does its charger look like?
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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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The CPU core temperature is over 110 °C. Is it too high?
Are these temperature values below the permissible level?
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Software to hold battery at 50% charge level [closed]
My Sony Vaio laptop has a built-in program called "Sony Battery Care" which provides a functionality to hold battery at certain levels of charge while operating. For example, I've set it to 50% and ...
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How does the capacity (kVA) of a UPS affect my power consumption?
I asked my dealer for a 3 kVA UPS for my PC-class computer with a 12V * 8 * 42 Ah battery bank. However, he provided me with a 6 kVA UPS with the same battery bank.
He claimed no extra money for the ...
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How to check if power cable is connected from the command line?
I'm running ubuntu on my notebook and I need a way to check (from the command line) if the power cable is connected. Is there any system file that keeps log of this? or is there a bash command that ...
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Are notebook batteries generally hot-swappable?
I have a new HP Compaq 610. Most of the time I use it plugged and with the battery removed, to avoid wearing it. Sometimes I need to move it to somewhere else - currently I hibernate the machine, move ...
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How to stop computer from entering sleep under "Critical Battery Trigger Met" misidentification?
I'm using a Lenovo Laptop, Windows 10.
Update 15/2/2023: just today I upgrade to Windows 11, the same problem still persists (!)
Recently I think the battery cell is not fully functioning, and system ...
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Using a higher current charger on a laptop which requires a lower current [duplicate]
Possible Duplicates:
Laptop power supplies, does current matter?
Can I use a power adapter with more current but lower voltage on another laptop?
I have an ASUS K50IN laptop which requires an ...
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