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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6 views

Compaq CQ61-319WM will not boot from just AC; dead battery has to charge

A friend gave me an old laptop to play around with, and it's exhibiting a peculiar symptom: it has to charge up the battery for a few minutes before it will turn on. The battery does not have much ...
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6 views

Chargin an iPhone 4S with a samsung USB charger [on hold]

I have an iPhone 4S that I charge via a USB cable (plugged into my laptop). I also have a Samsung USB charger with the following specifications: 5.0 V and 1.0 A. Is it safe to plug my Apple USB cable ...
0
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1answer
33 views

Should Windows 7 transition Sleep => Hibernating if battery drops below critical?

I have a MacBook Pro running Windows 7 x64 via Boot Camp. I recently lost work because, on receiving a low battery warning (at 10%), I closed the lid to put the laptop to sleep, but then forgot to ...
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1answer
23 views

New laptop battery inconsistent

I have a fairly old Dell Vostro 1510 laptop and the battery finally gave up recently. I bought another one on Amazon three weeks ago and, initially, it seemed to be OK: it was charging to 100% and ...
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0answers
13 views

Working on battery until is runs out fixes my laptop

I encountered a problem where I'm stuck on the loading screen which shows my lenovo logo. I even can't enter my boot settings. I tried a lot to find a solution on the internet but with no result. I ...
0
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1answer
39 views

Is my battery full capacity normal for a 4 month laptop?

I bought a Thinkpad E450 from Amazon last year. First day I plugged it the battery died. I had a battery replacement which after a month started failing, then I had a second battery replacement. ...
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0answers
37 views

Keep laptop plugged in if at full charge if battery is not removable?

I just bought a new laptop and it comes with an integrated battery. For these types of laptops, is it better to leave the plug when fully charged or not ? I ve just experienced an issue, i looked at ...
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0answers
20 views

Battery is not getting charged [on hold]

When I plug in my charger, my laptop starts charging the battery. But after some time, it stops. Then it starts again, but it keeps stopping and starting the charging. How can I determine what the ...
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0answers
8 views

Charging device with magnetic charger causes my thumb drive to stop working until it's pulled out and replugged

So, I have a pebble smartwatch that charges with one of those magnetic connectors. Sometimes, when charging on my computer, when I pop the connector on the watch, my thumb drive, which is also plugged ...
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2answers
121 views

Windows 10, HP laptop battery “plugged in, not charging”

After installing Windows 10 on my HP Pavilion g6-2197sa laptop, I have had problems charging the battery. The battery icon reports something like "79% available (plugged in, not charging)." I can, ...
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0answers
11 views

Asus UX32A - Battery Charging Weird Problems

Laptop Model - Asus UX32A OS - Windows 10 All of a sudden for some reason I have started seeing this weird problem in my battery charging. When the power cord is connected the battery icon says "No ...
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13 views

Monitor power status on laptop (Windows 10)

Sometimes I notice my laptop is losing battery power despite being hooked up to the power adapter. Also, sometimes while gaming the game becomes laggy for a short amount of time. I would like to ...
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2answers
54 views

Can I use my power bank usb output to charge my laptop?

so I have this power bank that has 3 outputs and one in which is a USB output that delivers 5v =~ 2 A! The charging cord that came with the laptop has an USB end that connects to an adapter that ...
0
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0answers
30 views

Laptop battery full charged

I have a new battery pack for my acer aspire 4750 laptop, it hust a 2 weeks old, actually it is working pretty good. I use batterycare to check charge level, so while i am charging and it reached 80% ...
0
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0answers
19 views

Dell Inspiron 15-5547 Shutting Down Immediately After Startup

I am working on servicing a friend's laptop, and I cannot find what the problem is. The reason that I started servicing the laptop was that he was having issues where the laptop would shut down ...
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0answers
15 views

Laptop not always recognizing when it's plugged in

I have a Dell Inspiron 17R, Windows 10. Almost since I've had this laptop (since October 2014) there are times when the widget will say it's not plugged in. I try unplugging the cord and replugging ...
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1answer
28 views

Laptop froze, turned it off, now boots extremely slow

My laptop froze while browsing the web, I couldn't open anything not even taskmanager. I turned it off by holding the power button. Ever since then, it's booting extremely slow (5-8 min or so). ...
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0answers
7 views

Lenovo X201 Battery management INOP

Something is not working with the Lenovo Power Manager software/hardware on my X201T tablet. The computer always shuts down when I am on battery and still have 1.5-2 Hours left of battery life ...
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0answers
14 views

HP Pavilion D7-1225ez battery not charging (tried a second battery too!)

My HP Pavilion D7-1225ez has not been charging its battery and making a lot of noise (as well as getting very hot). "HP Battery Status" returned as "INVALID: battery not inserted properly..." which of ...
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0answers
14 views

how to write udev rule to supend laptop on low battery, but not when on ac?

I would like to suspend my linux laptop when battery is low. This is done by an udevrule: SUBSYSTEM=="power_supply", ATTR{status}=="Discharging", ATTR{capacity}=="[0-6]", RUN+="/bin/systemctl suspend" ...
0
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1answer
32 views

Can I charge a battery and a phone at the same time? [closed]

I'm wondering if this charging setup will induce any issues. The wall is charging the left battery, which is charging the middle battery, which is charging the right phone.
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0answers
80 views

HP Pavilion 15-ab237na Laptop

The batteries only charges when laptop is switched on. How do I charge batteries when laptop is in sleep mode or switched off. Thank you
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0answers
27 views

Laptop stops and starts charging randomly

I have an ASUS laptop and it randomly starts and stops charging without moving the cables. The battery is brand new and seems to be working fine. The DC Adapter is professionally tested and seems to ...
3
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1answer
39 views

Running Compaq laptop without charger and battery

I have a laptop with a fried charging circuit. I plan to disassemble the battery and connect the leads to a 12V PC PSU. The problem is, is the 12V within the battery cutoff range? The battery is ...
2
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1answer
65 views

Charge my laptop/external laptop power bank from usb-output-only power banks?

I want available backup power for my laptop (ASUS ux51vz, 19V/4.74A), I've got a pile of 10-20k mAh power banks, and I'd like a solution to marry the two somehow. I know that I can get an external ...
3
votes
1answer
113 views

Can I use car battery directly to supply power for my router?

I Have D-LINK ADSL router that needs 12V/1A DC power, I want to give it power from my old car battery (12V). Is that safe?
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14 views

Battery indicator not descending, sudden shut down

my problem is kind of simple, I have a Toshiba laptop with Windows 7. When I use it with battery, the indicator of the battery level doesn't go down, it stays at 100% for about 3 hours (normal battery ...
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votes
2answers
119 views

No charge, Blinking power LED on Lenovo Y50 laptop

My laptop no longer charges while turned on. Lenovo Y50-Y70 UHD 59425943 While computer is off: Plugged in (before reset trick): No LEDs or charge. Plugged in (after reset trick): Computer charges ...
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0answers
27 views

How hard is it to DIY a small, battery powered bluetooth device that communicates with Raspberry Pi?

I've done a lot of programming projects but have never attempted to work with bluetooth. I have an accelerometer with digital Ic2 output attached to my raspberry pi. How hard is it to get that ...
0
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1answer
76 views

Laptop Battery is not charging above 59%

I recently purchased Lenovo G50-80 laptop and installed ubuntu 14.04LTS, when i put my laptop on charge it is getting stuck at 59 and not charging above that. Please provide a solution.
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1answer
47 views

Asus N53SV - upgrading bios without battery

I want to upgrade BIOS, my battery seems to be broken as I am getting communicates that battery must be replaced or have at least 20%. So I cant do it using EasyFlash in Bios. I downloaded Afudos but ...
0
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0answers
44 views

HP Pavilion 15t RTL8723BE Wi-Fi severe packet loss when on battery power

I have an HP Pavilion 15t-ab100 laptop that is experiencing Wi-Fi issue (Realtek RT8723BE 802.11b/g/n + BT). I found that whenever I am on battery power. There will be severe packet loss even if I am ...
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1answer
26 views

Detect battery change

We have all the same laptops in the area were we work. Last week, I noticed that my (10 month old) battery suddenly drained within 5 minutes (from 1hour+ one month ago). I suspect a battery change ...
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0answers
34 views

Laptop battery charging/not charging eratically

I noticed today that my HP DV6 6008eg laptop running Windows 10 eratically reports that the battery is charging and not charging. The small LED near the AC plug also changes its colour accordingly ...
3
votes
1answer
28 views

Laptop is not turning on with working charger

When I am connecting the charger to the laptop, the laptop is not charging (LED light is not on) and LED on the adapter/charger also turning off. I don't know what could be the problem? Things I ...
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votes
0answers
20 views

laptop overheated, could it have taken permanent battery damage?

A while ago my (asus ux305, fanless) laptop overheated because it mysteriously came out of sleep mode while it was in a bag, rebooted and got stuck at my bios password screen where it couldn't fall ...
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0answers
32 views

FPS Skips due to Power Issues, is there anything I can do on my own to fix it?

My laptop skips frames. I tried to pin-point the issue and I finally have. My gaming laptop (Asus, 17.3", GTX 960m, 4gb, 12GB, i7-4k, SSD). It used to work at full-speed (All Max SC2 at ~100 fps), ...
1
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1answer
31 views

MacBook Pro mid 2009 Keeps shutting down when on Battery

Recently replaced battery and installed SSD's (Main and replaced cd with 2nd sad). Running ElCapitan. With the power cord attached it seems to be working fine. But on Battery it boots up and sometimes ...
2
votes
1answer
90 views

Laptop shuts down suddenly when running on battery

My Acer Aspire S7-392 runs well on mains, but on battery shuts down suddenly and without warning. And I mean no warning, it is like someone yanked the power from a desktop PC. Windows does not ...
3
votes
2answers
987 views

Laptop battery charging stuck at 90%

My laptop battery charged week ago up to 100% (fully). Recently, I noticed (within this week) that it now charges only to 90%. First sign was that laptop battery led now always orange (charging) and ...
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votes
1answer
29 views

Laptop powers off within seconds of powering on; suspect battery issue; how to confirm?

I sometimes leave my laptop open and on overnight -- laziness, I suppose. A few days ago, when i woke up, I saw my laptop was shut down. Odd as I didn't recall turning it off. When I tried to restart ...
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0answers
36 views

Asus q502l will not turn on

I left it on while it was unplugged and it died, however the white light next to the light bulb symbol is continuously on and the light on the f2 key (that has the airplane symbol on it) is also ...
0
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0answers
20 views

Regarding USB battery charging, what is a 'unconfigured device'?

The USB Battery Charging 1.2 Specification says that 'unconfigured devices' are allowed to draw up to 1.5A for CDPs and DCPs, whilst configured devices are able to draw up to 5A as long as the ...
0
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0answers
69 views

Uninterruptible Power Supply Unit Failure, Or Is It the Battery?

I have an APC brand, SUA750 Model UPS unit that has been in service since late 2008. Recently, it failed completely when there was no power outage. (If any power outage occurred, it was for only a ...
0
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0answers
14 views

Charging issue with dell inspiron battery

i have dell Inspiron 15R with windows 7 ultimate installed,charger is plugged in and showing that its charging but it remains as it is, in a way that it is showing charging but the battery % remains ...
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3answers
69 views

Ditch AC, Plugging a laptop into a car battery

Hopefully I'm asking the obvious; but my computer is important so I would like more opinions. According to the question Laptop battery: is voltage really important to respect? It seemed their ...
0
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1answer
183 views

Charging a laptop though a USB-C power port with a low voltage/amperage

Let's say we have a new laptop with a USB-C port - like the new Macbook1 or the Chromebook pixel which, yes, are meant to be charged through these ports -, a good solar panel for smartphones (5V 3A ...
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0answers
64 views

Windows 10 laptop spins down HDD every second when using battery and screen is off

The problem is that if I load something to the HDD which is in caddy in laptop then windows spins it down every second and then reenables it if I close the screen and if it's using battery. It clicks ...
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1answer
232 views

How to check the battery level of devices connected via Bluetooth in OS X

I have a set of Bluetooth headphones that I use with my iPhone and Macbook (OS X Yosemite). On my iPhone, a little battery meter pops up next to the Bluetooth logo each time I'm connect the ...
0
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0answers
97 views

Asus F553M wont charge and won't power on

I used the laptop this evening until it had 7% battery left, then I just closed it without shutting down. I tried charging it tonight but it won't charge and it won't power on. The blue Light on the ...