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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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Why HP Windows 10 laptop is not starting without charging cable

I have a HP Windows 10 laptop. I was reinstalling Windows yesterday so I left the charging plug on and today when I was using it, it suddenly got shutdown so plugged the charger. As you may know ...
KafeelGamer's user avatar
1 vote
0 answers
14 views

Incorrect reading of battery status after wake up (linux only)

My computer is a Thinkpad X1 Extreme Gen 2. OS is OpenSUSE Tumbleweed / Slowroll, dual boot system with Windows 11. I am having this issue since around February. In Windows everything works fine, but ...
Victor Nițu's user avatar
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28 views

Samsung a15 fast charging dose not start when the battery level is below 30% [closed]

I have a confusing problem with my samsung a15. When the battery level is below 30%, the fast charging dose not works, but if I deactivate fast charging the battery starts charging in very slow speed ...
Mohammad Ghaderi's user avatar
1 vote
0 answers
36 views

replacing a battery in the Lenovo Ideapad 3

I'm replacing the battery for a Lenovo Ideapad 3. The label fine print seems to show the model is 15IML05. When I search for that part in an online marketplace 2 batteries show up. 45 Wh battery ...
H2ONaCl's user avatar
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1 answer
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Troubleshooting and fixing laptop battery charging issues [closed]

My HP laptop battery does not charge. It only shows 0% available all the time. The following is what I tried to do so far: I installed a BIOS update. I removed the battery from the laptop and opened ...
Clint William Theron's user avatar
1 vote
1 answer
55 views

Laptop wont start on battery but works fine when adapter connected

We have Lenovo Y50-70. Original old battery went dead, so we bought new battery from Green Cell. But the problem is that laptop cannot boot to windows on battery. It shuts down on windows boot screen. ...
Marin's user avatar
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-3 votes
0 answers
45 views

Why does my LiPo (lithium-ion polymer) battery capacity diminish with each charge? [closed]

My laptop’s battery capacity, which is a lithium-ion polymer battery, gets just the tiniest bit smaller every time I charge it.
chub's user avatar
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-4 votes
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How to see battery percentage in the taskbar in Windows 11?

Is it seriously true that Microsoft forgot to add in Windows 11 a taskbar percentile indicator of battery charge? I have been searching on the Web about this and it appears that only Windows store ...
Felipe Dilho's user avatar
-3 votes
1 answer
40 views

Laptop needing a more powerful power supply?

I have chosen a laptop to use both for university use and gaming: Lenovo Yoga Pro 9 16IMH9. It is quite expensive and has great specs and features, but unfortunately has a major flaw. According to one ...
Staxis17's user avatar
1 vote
0 answers
20 views

I usually miss low battery warning from Windows 10 (while typing...)

I find the coloured banner that appears at ~10% very useful, but only under low keyboard activity... I would love to have something as a corner popup with a long enough timer, which doesn't take ...
Andrestand's user avatar
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1 answer
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What happens if during RAR compression the laptop runs out of battery?

I was compressing a large file using RAR, so it took quite a while. During the compression at some point I had to unplug the computer and let it continue with battery only. After a few hours when I ...
Torsten's user avatar
2 votes
1 answer
58 views

Good battery, but UPS fails to do its job

I have a not-so-old APC Back-UPS 1400 (model BX1400U). It uses 2 x 12 V / 7 Ah batteries. The original batteries are dead (voltmeter says less than 5 Volts, ultra dead). I bought 2 new batteries (12 V,...
Gregory MOUSSAT's user avatar
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0 answers
46 views

Lenovo laptop cpu speed down to 0.5 GHz from 3.0 GHz normal speed when battery connected and plugged in to ac power

This problem of mine has nothing to do with power options. I really can not understand what is going on. When the battery is connected and the laptop is plugged in to ac power, laptop cpu speed is so ...
Nick_K's user avatar
  • 101
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1 answer
215 views

Why is my CPU utilization limited to 0.4 GHz?

I've seen other similar questions, but none meet my exact circumstances so I wanna make sure I do the right thing before investing money in a new fan/charger or potentially messing something up trying ...
Cameron Mullis's user avatar
2 votes
1 answer
136 views

Why are UPS battery backups all rated in VA instead of AH?

Looking at an online retailer, I see uninterruptible (battery backup) power supplies are marketed as: "1500VA" "600VA" "425VA" "425VA/260W" "1500VA/900W&...
natevw's user avatar
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0 answers
112 views

Dell XPS 13 strange power behavior - won't shut down, BSOD upon attempting to hibernate

I have a Dell XPS 9310 2-in-1 laptop running Windows 10. I generally keep it up to date but have been getting BIOS update fail messages occasionally that I haven't been able to fix. It is otherwise ...
submarina's user avatar
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1 answer
60 views

Bought an X220 Lenovo in a good shape. Used it for a couple of weeks. But for two days I can't load the battery

Bought an X220 Lenovo in a good shape. Used it for a couple of weeks. But for two days I can't load the battery. I use a SANYO 45N1172. It's stuck on 48% and shuts down if i take the power supply off. ...
PaiThon's user avatar
0 votes
1 answer
242 views

ASUS laptop not starting: battery LED blinking green twice then pause

ASUS laptop GL552V not starting. Power LED 'on', Caps lock LED 'on', fan working, battery LED blinking green twice then pause... blinking green twice again (one-second interval) then pause, etc, etc......
bernardmilene's user avatar
0 votes
1 answer
68 views

Laptop is not charging when plugged and very laggy

I accidentally connected a Lenovo charger to my Dell laptop. After I realized this, I disconnected and connected to its Dell charger but now it doesn't charge. The laptop still works when plugged in ...
Asmat Ali's user avatar
  • 118
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1 answer
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Compaq Deskpro N119 turns on, 2 short beeps, no video signal

I have been trying to get this computer to work over the last couple days. I had the "no video signal" problem and tried several things. I opened the unit and cleaned the dust out with ...
doindirtywork98's user avatar
0 votes
1 answer
43 views

The monitor on my Lenovo Thinkpad suddenly started going black, displaying normally, back and forth (3 cycles avg) when plug in or unplug from charger

This just started happening and I’ve found lots of questions and answers on forums with similar phenomenons except none of them go back and forth, that is the display goes black and then back to ...
Jethro's user avatar
  • 1
-1 votes
1 answer
110 views

Why has my hard disk started dying all of a sudden? [closed]

I have explained the complete environment/set up of my laptop in this question. It is long, so I am not repeating it here. Please note that is a completely separate question and hence this is not a ...
Shy's user avatar
  • 173
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0 answers
279 views

HP has laptop limited performance on battery

If I unplug my laptop, it looses significant amount of performance - it is clearly visible even in switching windows, opening task manager, reading emails in outlook 365 desktop app etc... everything ...
tomas's user avatar
  • 101
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0 answers
50 views

I would like to know how to add a 2nd USB charging port to a Lenovo YogaBook with only one USB 2.0 port used for both data and charging?

I would like to charge a Lenovo YogaBook laptop while using the data port. This isn't supported by the laptop unless I am wrong. I have followed some tutorials which supposed to work but it didn't. I ...
Bryan Phillips's user avatar
0 votes
1 answer
138 views

Dell Latitude 7480 laptop has issues with charging

My Dell Latitude 7480 laptop has strange symptoms related to charging: Sometimes it wont charge even though the charger's light is on (not the laptop one), but the battery percentage does not go ...
L Maxime's user avatar
0 votes
1 answer
204 views

Laptop power button not working but battery discharge pinhole button is starting the computer, what might be the issue here?

I have an Acer Aspire A515-51G, the issue is suddenly the power button has stopped working, the battery is charging, but the pinhole that they have given; pressing it, actually starts the computer; ...
Yanjan. Kaf.'s user avatar
0 votes
2 answers
239 views

Bluetooth and USB connectivity issues - Dell Precision M6700

Despite age and dead battery, Dell M6700 laptop serves well as a desktop replacement for tasks like email, social media, and video streaming for a family member. However, recently Bluetooth ...
Serge's user avatar
  • 156
0 votes
0 answers
33 views

Battery life of a MSI

I have an MSI Creator 15 A10UET-222NL that I have had for about 3 years. For some time now, I have been experiencing the problem that the battery life of my laptop is only about 1.5 hours without the ...
Masterrun80's user avatar
0 votes
1 answer
122 views

Is my battery completely dead?

I left my Asus Vivobook Pro 15 not plugged in overnight to download a file. I didn't expect the battery to run out but it did. Now, apparently, it won't charge and my laptop shows no signs of life ...
user492754's user avatar
0 votes
1 answer
285 views

How to know if a charger will be compatible with Lenovo T15?

I don't have my charger for Lenovo T15 Gen 1. I bought a temporary replacement until I get it back. But, with the replacement, I get a message on startup that the charger has insufficient wattage and ...
Tomáš Zato's user avatar
  • 4,524
0 votes
1 answer
203 views

MacBook Pro M3 date time in macOS Sonoma (14.2.1) all messed up after battery went to dead, how to fix automatic time?

My MacBook Pro M3 battery died on Friday Jan 19, 2024. The system is running macOS Sonoma (14.2.1). Then here's what happened: Opened computer today on Monday Jan 22 around 9am. Date time said Friday ...
Lance's user avatar
  • 387
1 vote
0 answers
40 views

Wacky battery report -- ghost using my computer at night?

Why does my laptop's Battery Report sometimes say that it was "Active" when I know I wasn't using the computer and had the lid closed, and sometimes says "Suspended" when I was ...
Glaucoides's user avatar
0 votes
1 answer
366 views

Notifications disabled (Windows 10)

My new laptop is running Windows 10. I was running on battery without the power supply plugged in. No notification was received at the default Power Options > Advanced settings > Battery > ...
AlainD's user avatar
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-2 votes
1 answer
154 views

Is there enough evidence that this USB-C power bank works with my laptop as per the specification and not harming my laptop? [closed]

I recently purchased a HP ProBook 440 14 inch G9 Notebook PC. According to the specifications, user manual, and user guide that came with the unit, as well as the USB-C power connector port symbol on ...
Faramarz's user avatar
0 votes
0 answers
73 views

Dell laptop having issues with charging. Recognises charger and starts charging automatically and then doesn't recoginse charger and won't charge

I have a 7 year old dell vostro and this issue arose suddenly when one day I noticed that my laptop was lagging significantly. I went to the task manager to see the issue and in the performance tab ...
Ali Mustafa's user avatar
-7 votes
1 answer
197 views

Why does the Lithium-Ion computer batteries make horrible smells after being stabbed ( and got in tact with Oxygen)? [closed]

Recently my laptops just died. So I decided to get my hands dirty and open up the motherboard. Open up everything in order to gain some valuable knowledge. Long story short, I found some interest in ...
KhodeNima's user avatar
4 votes
2 answers
1k views

USB C charging on Dell Inspiron laptop: OnePlus 65W phone charger

I have a Dell Inspiron laptop with a USB C port. The normal charging is 65W adapter via the Dell power (charging port). If I connect this to my OnePlus phone charger which is also 65W somehow it does ...
curious_cat's user avatar
1 vote
0 answers
663 views

Win 11: What performance characteristics does the "power mode" setting change

(1) In Windows 11 there's a new settings item System -> Power & Battery, which under Power mode gives 3 choices: "Best Power efficiency", "Balanced", and "Best ...
1NN's user avatar
  • 8,109
9 votes
2 answers
3k views

Is it safe to replace a 11.25V laptop battery with 11.1V or 10.8V?

I need a replacement battery for an older laptop that originally came with an 11.25V Li-ion battery (presumably 3 cells at 3.75V each). The batteries I found online mostly have a nominal voltage of 11....
Dejan Govc's user avatar
0 votes
1 answer
141 views

HP Pavillon 15 not charging beyond 50% (54%) - HP battery care function issue?

I have the issue that my (well-aged) HP Pavilion 15 laptop does not charge beyond 54%. The issue might be connected to having the "HP Battery care function" activated before updating the ...
Egon's user avatar
  • 1
0 votes
0 answers
21 views

Laptop screen is black when on battery

On my Lenovo Ideapad LCD screen is black while on battery, OK when powered by AC adapter. Only LCD is off with battery, also while booting, in BIOS, in Windows. If I connect adapter screen ...
user3472183's user avatar
0 votes
0 answers
398 views

How to safely use dell latitude without battery?

I was following a YouTube video and managed to remove the battery including tapes. However, the videos on youtube mostly show how to replace the battery but I do not have a replacement and plan to use ...
Sophie Lee's user avatar
2 votes
3 answers
2k views

Dell Latitude not charging over USB-C PD 3.1 when powered on. It can charge, but only when I power it off

I have a somewhat weird problem where my Latitude 7300 won't charge over USB-C port when powered on with a specific non-Dell charger; I can charge the Latitude, but only when I power it off. The ...
ikrnjajic's user avatar
0 votes
0 answers
73 views

Battery remaining time is not shown in KDE after upgrade to Kubuntu 23.10

I upgraded my computer from Kubuntu 23.04 to 23.10 and now it refuses to show me the estimated battery time anymore (not showing remaining time of battery, sorry about the Slovenian language on the OS)...
Aleks Marinič's user avatar
1 vote
1 answer
920 views

0190 critical low battery error only on boot lenovo x 1 carbon gen 7

I replaced my x1 carbon battery with a new one. The battery itself seems to be okay. However, it isn't a Lenovo original (I can't find any). On boot, if I don't have a charging cable plugged in, it ...
Alex Guesnon's user avatar
0 votes
0 answers
34 views

Dell laptop not turning on and charging suddenly in middle of my usage

I'm using dell inspiron laptop without bezel and lcd screen stands in support of lcd back cover only. I typically use my laptop sideways on bed so I could lay down and watch. This time while I'm using ...
itsdevthen's user avatar
0 votes
1 answer
869 views

Windows 11 Lenovo Laptop not sleeping when I close the lid

I have a Lenovo Ideapad Slim 3 that I bought new two months ago, and it is running Windows 11. I have no idea why, but starting a few days ago, whenever I close the lid of my laptop, it doesn't sleep. ...
Ben's user avatar
  • 1
0 votes
1 answer
389 views

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 ...
Cecilia's user avatar
  • 111
15 votes
8 answers
20k views

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 ...
user2153235's user avatar
  • 1,201
0 votes
1 answer
241 views

Dell Inspiron 15-5558 - A battery with low health is detected, charged, but not used

I've been using Dell Inspiron 15-5558 laptop for more than 8 years without replacing the battery (cause I've been mostly using AC charger only) and today I've encountered an issue when the laptop has ...
StafordDev's user avatar

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