Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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.

0
votes
2answers
91 views

Would using a laptop battery with 0.2 V difference hurt my laptop?

A similar question has been asked before but it doesn't answer my specific problem. I got the HP Star Wars Special Edition Laptop (HP Pavilion series) when they were promoting The Force Awakens about ...
-1
votes
0answers
27 views

The full charge capacity higher than design capacity? [on hold]

Why is my full charge capacity higher than design capacity asus laptop? Is that's a problem or not ? How i can solve it ? Also sometimes the laptop trun off suddenly while the battery is still more ...
0
votes
1answer
28 views

Can I charge a simple Nokia phone which has USB input (5V=450mA) with a 5V=2A/7V=1.8A/9V=1.8A/12V=1.3A supply? [closed]

I have a Nokia Asha 501 Dual Sim phone which comes with the power supply as stated in the title. It recently broke, and I decided to test if the phone's USB port which I thought was only for data ...
0
votes
0answers
23 views

Lenovo Rapid Charge - is it safe for my battery?

I'v bought my new laptop 2 weeks ago. After downloading Lenovo Vantage I have noticed function "Rapid Charge". I just wanna know is it safe and not damaging for my laptop accumulator and not cause ...
0
votes
1answer
108 views

No Battery Detected but it works if i disconnect AC

I'm having the exact problem described in this question: "No Battery is Detected" but battery works A few months ago my laptop (ASUS ROG G750JH, bought roughly 6 years ago, now running on ...
0
votes
0answers
39 views

ASUS Battery Health Charging enabled - but the battery % keeps growing

My laptop has ASUS Battery Health Charging and Maximum Lifespan Mode enabled, keeping my battery at 60% charged. However, this was some four weeks ago. Now it's 65%, and it keeps growing. Am I to ...
1
vote
0answers
20 views

Laptop battery is charging, system says it is not

This happens when I turn on my laptop without the power cord plugged in, then plug in after it is on. The battery is charging, the system reports the battery level and I can see it increasing, but it ...
0
votes
1answer
36 views

How can I tell if a USB C charger is compatible with my device?

I have two different laptops which have USB-C chargers, both have 65W chargers, but the voltages and amperages are slightly different. How can I tell if a USB C charger is compatible with my device? ...
1
vote
1answer
45 views

Disable Brightness Change when charging Lenovo Ideapad

I have a Lenovo 320S-15IKB (Type 81BQ) Ideapad Laptop. This is a new laptop with latest versions of drivers and utilities installed. When using the Intel Graphics app, I attach the charge cable, ...
1
vote
1answer
31 views

USB A to C cable with USB 2.0 charger, low current

Note: this is not about a specific device but the general aspects of charging a USB device using accessories with different USB standards so I hope this fits here. I've got a Samsung Galaxy ...
1
vote
0answers
54 views

Asus laptop screen turns off when unplugged - new battery

I have a Asus R554L laptop. The battery was just about dead so I replaced it with a new one. With the new battery, I can see it charging and I it is working. But as soon as I unplug the power cord, ...
1
vote
1answer
50 views

My battery is completely dead [closed]

So I haven't charged my laptop in 6 years and the battery is completely dead. If I charge it will turn on but if I disconnect it will turn off. Do I have to replace my battery?
1
vote
1answer
45 views

Getting electricuted when touching the laptop

My friend bought HP Pavilion 15-cc183cl, the seller immediately removed the ground pin, because the circuits in my country don't have ground, (the circuits aren't designed to have a ground pin), and ...
1
vote
2answers
49 views

Battery drain in switched off laptops [closed]

Say, I charge a laptop fully while using it, then once it's 100% charged, I switch it off, and don't use it again, at all, for around a month. Will all the battery automatically have discharged due ...
0
votes
0answers
20 views

Lenovo laptop suddenly shutdown an never turning back on

I think i have a big problem. My Lenovo G50-80 suddenly shutdown. It was connected with the charger and the battery was in good condition. The laptop doesn't have the warranty. I tried removing the ...
-1
votes
1answer
102 views

Diy laptop battery extension [closed]

So I was wondering how I could increase the mAH of my laptop's battery, which is quite lacking at 36Wh. One idea I had was to fill up the 2.5 hdd bay with lithium flat batteries and solder them in ...
1
vote
0answers
59 views

Using third party battery with Dell laptop [closed]

I recently bought a replacement battery for my old Dell Latitude. It was advertised as a replacement battery for the model, but when it arrived I discovered it was not actually a Dell battery but ...
1
vote
2answers
55 views

Why is my computer out of battery when I wake it from hibernation?

I use hibernate, I don't know what happens, with other modes. Sometimes (not always) when I turn the computer on, it says, that battery is too low (like 4% or something). I use the computer mostly ...
0
votes
3answers
50 views

How can I increase my laptop battery life? [closed]

I don't have enough knowledge about laptop care. I have a second hand hp laptop core i5 . Last two weeks I notice that the battery of my laptop low very soon specially during audio and video use. How ...
1
vote
0answers
57 views

Powering an eGPU (Razer Core X) through a 500W ATX DC-DC Power Supply [closed]

I have an 500W ATX DC-DC Power Supply connected to a 12V battery and I am using it with a Razer Core X eGPU with an RTX 2080 installed in order to make my setup mobile for a project. The motherboard ...
0
votes
0answers
27 views

Lenovo laptop thinks battery level is critical and automatically goes to sleep

I have strange problem with Lenovo Ideapad 700-15ISK with Windows 10. Quite often (few times a day) it randomly goes to sleep while working on battery. I discovered that this is because the laptop ...
1
vote
0answers
31 views

T460 won't charge when powered on [closed]

I seem to be experiencing the same problem or a very similar problem to the person in this post. Bought a second hand T460 that also doesn't charge when powered on. However, the Windows 10 Lenovo ...
0
votes
2answers
57 views

I recently bought a replacement charger for my laptop, but I'm worried about the polarity

so a couple of weeks ago my original laptop charger blew. So I ordered a new one with the same voltage and amperage. On arrival I noticed that the polarity might be in reverse. The old charger had (+)-...
1
vote
0answers
18 views

Battery percentage jumps erratically on an 8 month old Lenovo Y720 laptop

My laptop has been acting very strange the last few weeks. It is about 8 month old. I have conservation mode turned on, which means it does not charge above 60%. However lately when I am using it, it ...
3
votes
0answers
84 views

Disabling repeating battery failure alarms on an APC Smart-UPS

I have an old APC SU700I with batteries which were failed on the self-test. Its manual says the following: THE REPLACE BATTERY/BATTERY DISCONNECTED LED IS ILLUMINATED Failure of a battery self-...
0
votes
2answers
77 views

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. ...
1
vote
1answer
44 views

Laptop not working on any battery

I had a problem with battery in my laptop (laptop hibernate or crash randomly when on battery). The laptop is a Clevo N957TP6. So after sometime I bought a new battery. the battery has a part number ...
0
votes
0answers
30 views

Bad battery energy reporting on linux

I'm using thinkpad e560 with arch linux and for power management I'm using tlp, /sys/class/power_supply/BAT0/energy_now is returning false values for battery energy, I've measured its value every 2 ...
0
votes
1answer
43 views

Using two different chargers for the same laptop

I have laptop HP 650 G1 It came with charger with specs: INPUT 240V - 1.6A 50-60 HZ OUTPUT 19.5 V-3.33 A So I want to know is it safe to charge laptop with another charger (same connector, also from ...
0
votes
1answer
46 views

Could not boot up the laptop until BIOS is reset

I meet a strange problem recently which did not happen before. My acer E5-471g laptop could not boot up though the battery is full. I press the boot up button and nothing happens. And I unplug the ...
0
votes
1answer
49 views

Laptop Battery and Charger potentially broken?

This is about my roughly 4 years old Asus N551JK, in case it matters. Whenever the laptop is under heavy load (android studio running, for instance) the battery is acting really weird. It constantly ...
0
votes
0answers
37 views

Mid 2013 MacBook Pro won't turn on and charger blinks green/orange light

My mid 2013 MacBook Pro (with removable battery) has stopped turning on and when I plug the charger in the green light is very dim/flickering. When I attempt to power on the laptop the charge ...
0
votes
1answer
136 views

The description for Event ID 256 from source DPTF cannot be found. ERROR FUNC: EsifEventProcess FILE: esif_uf_event.c Invalid event source received

I have Alienware 17 R2 laptop, OS is Windows 10. I started getting a lot of these errors in Event Viewer. The description for Event ID 256 from source DPTF cannot be found. Either the component ...
0
votes
1answer
55 views

Dell Latitude E6410 battery issue

I just bought a 'Like New' Dell Latitude E6410 laptop. I ran an initial diagnostics when I bought it, and everything seemed good. Especially the battery. I ran the powercfg report on windows and found ...
3
votes
1answer
61 views

Can phones/tablets avoid charging from USB power?

I know that some laptops (e.g. Lenovo ThinkPad) have user-controllable software to disable battery charging even when AC power is plugged in. This feature takes precedence. When a typical mobile ...
0
votes
1answer
46 views

Laptop not booting after reset and battery not charging

I have an ASUS i7 series laptop. After the factory reset, my PC is not booting normally. I have to use the power button a few times to start the laptop. I have noticed that the battery is not getting ...
0
votes
0answers
288 views

Laptop is charging to design capacity, not full charge capacity

I have a laptop (Dell Inspiron 3541) with Windows 10. After running powercfg /batteryreport in PowerShell, I got a battery report (at %userprofile%\battery-report.html). However, the results didn't ...
34
votes
3answers
8k views

How is the operating system able to know the battery level?

Even if we remove the default OS and install a new one it can interact with the battery. Are there some drivers for it? How does it work?
3
votes
1answer
49 views

New battery installation in the Macbook Pro

I get a new battery from a repair shop yesterday for the MacBook Pro and the configuration is provided below, I read that the battery life for the new installation should be about 7+ hours while I ...
0
votes
0answers
39 views

Laptop battery detected intermittently but power is supplied

Situation: Laptop battery detected sometimes, gives power always, when detected can be charged. I wanted to ask what the problem could be and how to go about it. Battery is ThinkPad Battery 57++ (9 ...
0
votes
0answers
118 views

Ubuntu not detecting battery on HP x2 210 G2

I've installed Ubuntu on this laptop (three flavours) after wiping the system of the original copy of Windows that it came with, and while it was mostly functional, one major aspect that concerned me ...
0
votes
1answer
68 views

Do HP printers have batteries?

I have an HP p1606dn printer which keeps forgetting his LAN configuration and going back to factory settings. So, I wonder if HP printers, (or maybe printers in general), have a battery, which could ...
1
vote
3answers
75 views

Fully discharging your laptop battery on Linux

I'd like to fully discharge my laptop battery (to comply with a vendor instruction to fully discharge after first full charge). What's a simple way to do this on Linux (that is, prevent the laptop ...
1
vote
1answer
41 views

Laptop battery replacement (MSI) [closed]

So I bought a used (almost new) MSI laptop two weeks ago. It is a GP62MVR-7RF Leopard Pro. Everything is looking great on the outside & doing great on the inside. 1 problem, obviously : the ...
2
votes
1answer
102 views

Laptop battery swollen--how to proceed?

Over the course of weeks, the batteries in my laptop have swollen gradually, forcing open the casing. Only recently was I informed that this can be dangerous, leading the batteries to explode. I'm in ...
0
votes
1answer
87 views

Dell Precision m6800 won't recognize any power supply (through own DC jack as well as docking port), and battery will not charge

My m6800 has complained occasionally about the AC adapter being seated poorly since I bought it, and I have always been able to pacify it. Since last night, I cannot. BIOS tells me that I have ...
5
votes
1answer
126 views

Is the 40% - 80% laptop battery rule still relevant?

In 2013, the wire reported that you should plug in when the laptop battery gets to 40%, and unplug when it gets to 80%. Quoting from the article: For example, Battery University states that a ...
2
votes
1answer
102 views

How to extend battery lifespan / not charge to 100%

In the internet I found a lot of threads about Windows settings about making the battery last longer before you need to re-charge ist. But this is about how to increase the battery lifespan. Also ...
0
votes
1answer
120 views

Can i use a universal laptop charger for +10.8v 4400mah, 47wh [duplicate]

I have a universal laptop adapter with listed voltage that i can set 12v/15v/16/18/19/20/24v.. i want to try it on my asus laptop with battery rating of +10.8v 4400mah, 27wh.. it's an li-ion battery. ...
0
votes
1answer
47 views

Battery issues: Should I wait or get my laptop replaced? [closed]

I bought a new laptop which has a 10 day replacement policy on it. The laptop has battery issues -- for example, Windows always says that the laptop has 0% battery and that it's not charging (and ...