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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Word "Apple" blacked out from Macbook battery [closed]
I took the back cover off of a Macbook Air because two of the batteries had swollen up, but that's not (exactly) the topic of this post.
Curiously, the printing on the plastic battery frame has been ...
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Does my laptop battery have a fuse?
I've had an Asus Vivobook X202E for ~10 years. In the last months there was a problem with display flickering etc. while moving the lid. Sometimes I had to change the angle of opening to get a stable ...
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Calculating estimated runtime and charging time for a Linux system battery in a command-line project
I am working on a command-line project in Arch Linux, specifically designed to present system battery information. I have successfully implemented various features, but I am currently facing ...
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What's an acceptable laptop battery discharge rate when it is turned off?
I have a Lenovo laptop (few months old) with Windows that is only used on weekends. It's kept unplugged during the week; when turned on after 5 days, I notice it looses about 25% of its charge (e.g ...
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Laptop battery starts producing a crackling sound when I plug the cable into the Laptop
When I plug my laptop battery from HP into my laptop, it starts making this crackling noise. The battery has died on me once before in school (but I think it was just a defective outlet). I also ...
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MacBook Air doesn't power on when the battery is connected
A friend asked me to look into his MacBook Air because it didn't want to power on anymore. Took a look at it, opened it, took the battery out and connected the charger cable and it worked every single ...
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c MSI GE70 laptop shows Aptio setup utitlity endlessly - many solutions tried but non working
enter image description hereMy MSI GE70 (Model Name MS-1756) {Boot version E1756IMS.513 / EC version 1756EMS1 Ver5.05} suddenly got stuck while I was running and operating on several desktop ...
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Asus G751J won't turn on after suddenly shutdown itself
So yesterday I was working on my company's laptop when my personal laptop (asus g751j) just died with no warning (I wasn't doing anything on it).
It suddenly shut down. I tried to turn it back on but ...
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On a laptop are voltage input and voltage rating on a battery the same thing?
I need to replace the battery in my Samsung Notebook model #XE501C13-S02US. The label indicates input as 12V. When I shop for a battery for this model they all list a rating of 7.6V. I suspect we're ...
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Macbook Pro mid 2014 battery lasting only 2/3 hours (300 cycles)
I just can't figure out why my battery is draining so fast, using it only for browsing/watching videos.
Any idea?
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Windows forces update [duplicate]
I have disabled updates on win 10 by going to run ->services.msc -> windwos updates.
Now the trick is, unless you hibernate, shutting down and restarting deletes this setting, and windows update ...
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Can a loosely connected PSU damage a laptop?
is it a bad thing that the cable connects to the power adapter block in a laptop power supply comes loose and is left alone while the laptop is under use (as shown in the picture)? I am worried it ...
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Who is responsible for checking/ blocking a laptop from booting due to low battery? Motherboard's POST, bootloader or the kernel?
is it the motherboard's post that will prevent a critically low battery from continuing with booting up the OS?
is it the bootloader's responsibility? (e.x GRUB)
or is it the kernel who runs some ...
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Read "time to fully charged"
I am testing several laptops with Windows installed and I need to write code that takes the time (in seconds or minutes) "until fully charged" - the value that windows shows, as well as the ...
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Replaced cmos battery in OptiPlex 745, now just black screen - no option to reset BIOS
One frustrating issue is that no one knows the key to hold down upon startup. Some say F2, some F12, some F10, and some the Delete Key. This is a specific machine OptiPlex 745. I don't understand why ...
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Diagnosing an HP EliteBook x360 1030 G3 that does not charge
I am attempting to diagnose why an HP EliteBook x360 1030 G3 does not charge on its USB-C ports.
Symptoms:
When the battery is connected:
No charging diode remains off, whichever the port to which ...
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2008 Acer laptop boot problems
5 days ago i made a post asking what charger adaptor would suit the ACER ASPIRE 6920G as i got one for 20EUR.
today an ORIGINAL laptop AC adapter arrived but it seem that the charger was not the issue....
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Find cause of startup BSOD connected with complete battery discharge
I get the following issue on my Lenovo Yoga C940-15IRH laptop (i7-9750H, Geforce 1650 Max-Q, 16GB RAM, 4K display):
I work on battery, and turn the PC off (Shut down) with the battery well over 60%
...
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Dell Latitude E5450 runs (Minecraft) better on battery
I have a Dell Latitude E5450 (Windows 11, Intel Core i5-5300U, Nvidia GeForce 830M, 16GB) and have noticed that in sometimes it runs better on battery than plugged in, specificly playing Minecraft (...
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Laptop dead from overvolted usb-c
Laptop is EVGA SC17
Usb-c 3.1 (non thunderbolt)
Battery 3.7v 550mah
Ok so i stupidly was hotwiring a battery to charge via my laptops usb-c port, I know i should have used my powersupply or even a usb ...
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Is there any way you can check after a while what the battery percentage was on linux at boot?
Let's say I'm using my laptop for an hour and I see that the battery percentage is currently at 30%. I am interested in what was the battery percentage was when the laptop started.
Is the battery ...
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How to fix broken CMOS after pc battery replace
I recently changed my PC's battery (not the CMOS' battery, the PC's main battery). After that, whenever I boot my PC I get the "Invalid CMOS checksum" error. Therefore, the BIOS settings ...
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CPU speed drops to 0.48GHz afer plugging charger
I have a Lenovo Yoga 500-15ibd laptop that I recently bought (used). Everything in it seems to be fine but whenever I plugin the charger it slows down.
I looked at the task manager and I saw that as ...
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Asus T100 won't boot
Dropped my ASUS T100 a while back and it wouldn't turn on, so I threw it in a drawer and forgot about it for a few months. Come to present time, I'm charging it, it shows it's charging, it's the right ...
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Why did my Windows 10 PC shut down (automatically), saying that the battery is low when it showed 72% just seconds before?
Recently, at least twice, my Windows 10 PC shut down automatically, saying that the battery had drained. But it wasn't even a minute before I saw it when it was 72%. I opened a few apps, a heavy code ...
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The charge became 0% for no reason when I booted my Lenovo Xiaoxin Air 13iwl laptop
My system is a Lenovo Xiaoxin Air 13iwl laptop.
The situation has occurred many times recently. After shutting my laptop down as usual, the charge would run out for no reason the next time I started ...
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Windows Is Plugged In and not charging after disassembling laptop
I disassembled a laptop (an ASUS ROG G752VY) to replace a CR2032 bios battery. It was disassembled for two days with the motherboard disconnected from the laptop battery.
When I re-assembled the ...
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Upside down SLA/VRLA battery in UPS?
Is it ok to position SLA (sealed lead acid) / VRLA (valve-regulated lead acid) batteries upside down?
Are there safety, performance, or longevity implications?
Some UPS (uninterruptible power supply) ...
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MS Surface Book Pro. Battery Died Suddenly
I have a Windows Surface Book Pro. device. The battery was healthy and works for as much as I needed. Out of a sudden, the battery today does not work at all. If I plugged the cable, the device turns ...
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How could I merge multiple original laptop batteries together in series?
My laptop batteries keep dying with half of their life left.
Basically a I have 2 * 1 hours old laptop batteries and a new 3 hours one.
There are all the same battery, same model, is there a way I ...
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Laptop's battery: can not charge to energy-full-design
I have a pretty new laptop. Using it just couple of months. So, battery must be OK. But I am never able to charge it to energy-full-design, even if the battery's indicator in OS shows 100% charge (the ...
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Trying to Output Battery CycleCount via Powershell on a single line
The command I am using is the following:
Get-WmiObject -Namespace 'root\wmi' -Class MSBatteryClass | select CycleCount
The output seems to be inconsistent and out puts multiple lines underneath ...
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How do I find how much a battery pack can charge my device?
I have a Dell laptop with these battery specifications from HWID HWMONITOR
I want to buy a powerbank, and saw there are many 20k mAh/30k mAh batteries, as described by sellers. How can I check how ...
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Notebook screen colors get weaker when disconnected from battery charger (not the bright)
I'm experiencing some difficulties when using my notebook, because the colors seem to get weaker/washed out when the battery charger is plugged out. Some backgrounds and borders for example almost ...
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Macbook 10,1 not charging completely with elementaryOS
While charging, my Macbook pro (10,1) with elementaryOS's charge is freezing at 60-70%. I have even tried to charge it for 1 and 2 days continuously with it shutoff to no avail.
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X1 battery discharging stuck at 7%
The old battery of my X1 Carbon 4th Gen. was dying, and the battery readings became unreliable. So I had it replaced (with an official battery replacement).
Now the problem with the old battery and ...
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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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Laptop battery calibration not working even after trying all the methods and bypasses win 10
The image shows how fast the battery is wearing out. but then when I checked today it gave me about normal battery backup.
The discharging stops at 5.5% then it stays on for about 3 more hours on ...
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How can I run a Windows 11 Lenovo laptop for the longest possible time on a portable power bank?
I have a Lenovo Ideapad3 running Windows 11 which comes with Lenovo Vantage battery conservation mode where it only charges the laptop battery to about 50 or 60% while plugged in. I do this and then ...
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Best laptop battery charging strategy when already at 100% [closed]
For a Dell Vostro 7510 (which just says "3-Cell Battery, 56WHr (Integrated)" in the order...not sure what type it even is...) let's say its battery just reached 100% charge, but I have an ...
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ASUS N56VM-AB71 laptop suddenly shuts down on battery
Caveat: I know an ASUS N56VM-AB71 is a 10 year old laptop, and it was only mid-range in the first place, but aside from this issue it works remarkably well and I can still even play games on it (no ...
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Powerchute Windows10 and reducing power consumption while on UPS battery
I have a computation app that can sense running on batteries, but does not trigger when PowerChute 3.1.0 is running on battery power (APC UPS1500 Pro). That app knows the power is limited, but Win10 ...
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Lenovo ThinkPad P15 won't boot after disabling battery
The battery on my P15 was no longer charging (the battery + charging symbol never appeared in the task tray). I disabled the battery in the BIOS in an attempt to "reset" things. The PC ...
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How can I simulate/generate mild workload on my Windows laptop?
I've been asked to have a look at a laptop (intended for donation), and I want to estimate the state the battery is in. For that purpose, I would like to simulate a typical, "mild" workload -...
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Acer Swift 1 randomly shuts down when moved (Acer SF114-32)
I have an issue with an Acer Swift 1 laptop.
It sometimes switches off when moved. It can even turn off from touching the keyboard.
When powering back on, I must hold down the power button and ...
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My keyboard is not working in my PC when I connect UPS to main power source. It only works on ups battery when disconnected to main power source
I've kept my PC on kitchen cabinet made of granite and covered it with some plywood. Also the nearby walls are damp. I've fitted the socket in the same wall. When I connect my UPS to the power socket ...
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Toshiba Satellite C855 is not booting up or going to BIOS and just displaying black screen
My parents own an old Toshiba Satellite C855 that sits in the office always plugged in. Now it won’t turn on.
When the power button is pressed the LEDs light up and the HDD spins up but the screen ...
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My laptop CPU slows down to 0.20GHZ when the battery reaches 10% and everything become laggy and unresposive is this normal? [closed]
My ASUS TUF Dash F15 (Windows 11) laptop becomes unusable when the battery reaches 10%. CPU speed go down from 3Ghz To only 0.20 and the laptop become unresponsive and slow and can't even play YouTube ...
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HP Zbook G3 Mobile workstation
I have a HP Zbook G3 Mobile workstation, I was working with that and forgot to plug it in to charge. The laptop eventually turned off when it was out of battery, after that the laptop is not booting ...
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My laptop is charged only up to 98% [duplicate]
I bought a new Samsung Galaxy Book 2 Pro.
While it is unused for a couple of hours with the charger connected, the battery is still 98% charged, not 100%.
The charger is 65W, and the cable is C-to-C ...
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