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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Linux: Prevent iPod Touch from charging while computer is running off battery
Is there a way to prevent an iPod Touch/iPhone from charging while my computer is running off battery power?
OS: Crunchbang Linux (Based on Debian 6)
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A small red cross flashing next to the battery icon
I replaced my laptop (HP 6735s, Windows Vista) battery about 3 months ago due to its poor performance (it was running out after about 20 minutes).
The new battery (some cheap one off eBay) that I ...
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Never turn off Windows
My Surface has an issue with the power button; it doesn't make contact properly. To turn it on, I have to try clicking it often for more than 10 minutes before it powers on.
Fixing it is as expensive ...
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ezbook 2 battery not charging when OS (Fedora) boots
I have bought an ezbook 2 and installed Fedora 28. Unfortunately I have problems with the battery (INT33F4).
Specifically, I'm unable to charge my laptop with Fedora running. The charging light is ...
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Computer Shutting Down at ~50% Battery
My laptop is unexpectedly turning off when it reaches about around 50% battery, but the actual level can be anywhere between 40% and 60%. It never turns off when plugged in. Whenever it does shut off, ...
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Laptop battery won't charge after virus
My laptop got a virus and after removing it, the laptop batteries no longer charge.
I tried reinstalling the drivers in the device manager for Battery→ “Microsoft AC adaptor” and →“ACPI ...
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My laptop charger blew a fuse in it, should I just short it?
Soo, I recently had a voltage surge at my house, and a couple of my chargers blew up. My laptop's charger was one of them. Upon opening I found out that only a fuse labelled T3.15A/ 250V had burned. ...
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Can you use a MacBook without the battery?
Can I use my MacBook (13 inch aluminum late '08) without the battery and only plugged in?
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How to reset a Windows 10 laptop that can't be recharged?
A client of mine (started at a tech support job last month) got a pretty hefty problem with Windows 10 on his Lenovo laptop - the battery isn't charging anymore. It seems that this is because the USB ...
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How can I determine how many amps I need to power/charge my Chromebook
The power supply that came with my Chromebook died recently and I've had a hella time just to find a charger that's just right for it. When studying different recommendations from different sources it ...
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How is it possible that I never have to change the batteries of my wireless keyboard?
For a long time now I wonder about the lifetime of the batteries I use in my old wireless keyboard from logitech. I own the wireless keyboard for about 5 years now and never had to change the ...
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battery status light flashing orange, what is it?
The battery status light on my Studio XPS is blinking. 1 white, 4 orange.
What is the problem and how can I fix it or stop it?
The battery can only run for about 10 minutes without the AC adapter. I ...
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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 ...
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Are any of these laptop bricks compatible/interchangeable?
Over the years I've acquired several laptop charger bricks. I haven't disposed of any of them because I've always felt that they're probably interchangeable, but I never really knew what would make ...
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Plugging laptop, Desktop PC, Iphone etc in reverse due to 2 plug pins with same size
If you have a 2 pin laptop charger and a 2 pin wall outlet and plug in your laptop into the charger and the charger into the outlet upside down due to the 2 pins on the plug having the same dimensions ...
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Extra HDD dramatically decrease battery?
I have an Asus N550JV, and a few month ago I added extra 8 GB RAM and an SSD. I left the HDD instead of the cd-rom, since I thought it would be more useful for me.
I noticed my laptop now holds much ...
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Why does removing the CMOS Battery reset settings / time?
Why does the act of removing the CMOS battery reset BIOS settings and/or clear date and time settings? The settings are probably not stored "in the battery"...
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How to get the most battery life out of a laptop?
I'm getting a brand new Dell Inspiron 13 7359 with 8GB of RAM, an Intel Skylake i5 processor, and Intel HD graphics (550 I believe). I did numerous hours of research and found this to be better than ...
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Laptop Charger Short Damage
today while I was plugging in my laptop charger a really unfortunate incident happened. The laptop side plug fell down and made contact with the wall jack as I was plugging it in causing a short. It ...
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Low CMOS battery but it's brand new [closed]
When booting my old PC it says low CMOS battery so I replaced it with a spare battery which I bought a few years back. Upon booting from power-off state, it still says low CMOS battery.
Is it ...
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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 ...
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Why do laptop chargers need such a large transformer? [closed]
Cell phone chargers need a much smaller transformer, usually ones that sit on the wall. Lamps cords don't need any transformer. Why do I need a giant brick in the middle of my laptop charger?
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Windows 8 custom power plan keeps resetting itself
I just got a new Haswell laptop, and was experiencing very short battery life: about 3-4 hrs with minimal use. I knew this had to be wrong, so I checked the power plan, and found that "HP Recommended" ...
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My battery doesn't gets charged beyond 98% now-a-days
My battery is not getting charged beyond the 98% mark. I know battery losses maximum capacity with time but my question is ideally isn't it supposed to show 100% charged but actually get only 98%? In ...
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Does the battery get used at all when playing songs on it from the computer?
If the iPod is connected to the computer, it will start to recharge. I was wondering if playing songs on the ipod from the computer causes it to use its battery a little, so that the iPod is being ...
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How to programmatically disable OSX from charging?
How can we programatically disable OSX from charging when connected to power source?
And how can we programatically check the current battery percentage?
In order to extend battery life I'd like to ...
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Can the MacBook warn me if power adapter is not plugged?
Almost always I have my MacBook plugged to preserve battery health. But sometimes I forget to plug the adaptor or the wall outlet is switched off by others.
How can I have the MacBook warn me when it'...
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How to autostart notebook on electric power is connected?
Have a arcade machine and a hp elitebook (8440p). How to start notebook automaticaly when plug the energy?, I want to avoid soldering the part of the power button to have an external button, I prefer ...
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Is a laptop batery some kind of uninterrupted power supply for a laptop system
I preferred using my laptop on AC{Battery Unplugged} because the System suggested that performance is better while on AC{unplugged battery} than when on DC, So i decided to remove the battery and use ...
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New laptop adapter has 0.5A lower input?
I'm buying a new adapter for my ASUS laptop, but its output is a little different than my old adapter.
Old:
Input - 100-240V, 2.0A, 50-60Hz
Output - 19V 3.42A
New:
Input - 100-240V, 1.5A, 50-60Hz
...
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Battery charging on and off, should I replace battery or AC adapter power supply?
Situation:
I have a Lenovo G40-70. Windows 10 Home. I bought it as new in 2017; I keep it running 24-7. The problems started with the battery not charging. I disconnected it for the night, leaving the ...
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Can laptop battery get damaged if charged from non grounded outlet?
Recently I noticed my laptop battery swelled large amounts a lot on both top and bottom. It is an internal battery and 2+ years old. I have suspicion that using a power outlet without earthing/...
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Processor Underclock to 0.38Ghz if battery below 60%
I've really got a very wierd issue with my laptop.
Laptop Model: Hp 15 AU006TX
Processor: Intel i5 6200U
Operating System: Windows 10 Home 1909
The issue that I'm facing is very wierd if my laptop is ...
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Lenovo x280 Won't Turn On
I have a user that is having issues with there laptop not turning on, and I think its either the battery or the power I/C chip.
When the laptop has the battery in and is connected to the mains, the ...
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My mouse, just says Microsoft on the bottom, and doesn't work
I changed the mouse batteries a few days ago and the mouse has not been working. I don't know the specific model or type of mouse. It is wireless and there is a USB connector in my computer. The ...
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Battery ran out of charge suddenly and won't charge
I've dell inspiron 5547 laptop and it was working fine till last night i used it. I didn't shut it down as I usually do and just closed the lid to let it go to hibernate or sleep mode, battery was ...
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Charging laptop via laptop
Can I charge my HP Omnibook 4150 off my HP Pavilion notebook by connecting USB
to USB, or any other connection, as I don't have a charger for the Omnibook?
Ive tried googling.
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Are there specific batteries for pure sine wave UPSes? Do I need a specific type of UPS battery?
If the battery of my pure sine wave UPS dies, can I replace it with a common UPS battery, or are there specific types of sine wave UPS batteries?
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Is it safe to use the 5v/2A charger on a device with 1.5A max input [closed]
I have a 8000 MAH rechargeable lantern with power bank, the max input is 1.5A.
Based on my recent research, this is what I am concluding, please confirm if my finding 1, 2 are correct. #3 is a ...
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Is there a way to make sure that my laptop doesn't exit sleep-mode?
I often have the following problem: I pack up my laptop, but forget to unplug/turn-off my mouse before doing the packing.
Then soon after, I'll move the mouse.. causing my sleeping PC to wake up ...
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How can I add power plans to the battery notification area in Windows 10?
In previous versions of Windows it was possible to choose a power plan by left-clicking the battery icon and selecting the relevant power plan.
As far as i can tell in Windows 10, this is not ...
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Is keeping a laptop connected to power supply harmful for its battery? [duplicate]
I heard that charging a Li-Ion battery all the time is practically harmful for the battery and significantly reduces its useful capacity over time. Is this true? Should I disconnect the power cord ...
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Non physical hardware switch
My laptop comes equipped with a hardware switch on its backside that connects/disconnects the battery. When I am connected to AC for example, I can thus avoid overcharging the battery.
Yesterday ...
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Computer turns off unexpectedly (new battery)
Recently I purchased a new battery online from newegg. Upon using it I noticed some strange symptoms:
-Computer randomly turns off before battery is anywhere near low level
-Once the computer shuts-...
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How to measure how long it take's for a laptop's battery to charge
I have the following scenario:
I am testing several laptops with Windows 8.1 installed. One of the tests is to measure how much the battery lasts. For this task I use benchmarks like PeaceKeeper or ...
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Battery drained after a few hours of charging
I seem to have a serious issue. I still have the 'visual indication not moving up after a few ticks' battery charging icon issue. But there is another problem which is way more critical.
I can not ...
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new battery for my toshiba laptop, rechargable Li-ion Battery Pack
The instructions that came with the battery say to discharge battery to 2% then charge fully to 100%, how do I discharge the battery?
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just bought universal power supply, how adapt it to my laptop
i just bought an universal power charger but does not adapt to the right voltage. The original charger is 19.5 v and 6.15 a, and the charger i bought is 12/15/16/18/19/20/24 v and 4.5 a. What should i ...
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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 ...
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How to initialize a lithium-ion battery?
I just bought a lithium-ion battery for a Lenovo ThinkPad T61, and frustratingly it displays being able to charge only at 91% of its design capacity (65.16 Wh out of the designed 71.28 Wh).
liv@...