Questions tagged [battery-life]

Battery life refers to the amount of time that a portable computer such as a laptop can function while powered only by its battery.

Filter by
Sorted by
Tagged with
1 vote
1 answer
25 views

How to fix the keyNotFound(code: "BCLM") error?

When using the bclm command[1] to change the max charge setting for my M2 Mac's battery. I am suddenly getting the error: ❯ sudo bclm write 90 keyNotFound(code: "BCLM") bclm is installed ...
0 votes
1 answer
84 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 ...
2 votes
1 answer
613 views

Close programs when on battery

Is there a Windows application or a script that kills programs when my laptop in not plugged in (and preferably relaunches them when charging)? I have a few background applications that use too many ...
0 votes
1 answer
292 views

Advanced ways to improve battery life for Windows 10

I've noticed that going from Windows 8.1 to windows 10 I've lost a lot of battery life. Talking about hours worth. Are there any tricks other then the basic common sense like battery saver, power ...
3 votes
2 answers
9k views

Does using integrated GPU increase laptop battery life?

I'm using an Asus ROG GL552VX which has a GTX950M as well as an Intel HD graphics 530. The battery life of my laptop is barely an hour and half with normal use (Browsing, word, student stuff). My ...
0 votes
0 answers
266 views

Two issues with battery report

The first issue is the design capacity. Ever since I got the laptop a bit over a year ago, it has read exactly the same as the full charge capacity, even though they both started off at around 42000 ...
0 votes
0 answers
80 views

Battery drain after switching drive to a different laptop

After switching my NVMe SSD over from my Dell Latitude 7300 over to my Dell Latitude 5300 (very similar hardware and specs, both Windows 11), the battery life has considerably decreased (10 hours to ...
0 votes
0 answers
61 views

2019 laptop, charges much faster and dies much faster, no previous battery problems, this was sudden

The estimated battery time left jumps from a few hours to a few minutes,my energy report says "The battery stored less than 40% of the Designed Capacity the last time the battery was fully ...
1 vote
1 answer
215 views

How do I set a custom battery % to turn on Windows Battery Saver?

You used to be able to set the battery level that triggers Battery Saver to turn on with a high level of granularity in Windows settings, but after recent updates, it can only be set to turn on at &...
0 votes
0 answers
65 views

use DC power while plugged in without charging the battery?

I'm aware that keeping the battery fully charged is bad for the battery health. However, I often need to use my computer and it easily consumes a lot of battery power in a short time. (connected to an ...
0 votes
0 answers
284 views

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 ...
0 votes
0 answers
59 views

Weird laptop battery behaviour

On my 4 year-old laptop, the battery discharge pattern is weird. It goes does relatively quickly and steadily down to 6%, then remains at 6% for 1.5 hrs and then very quickly goes down 1%/min. I had ...
0 votes
1 answer
169 views

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?
6 votes
3 answers
8k views

How do I turn off MagSafe light?

When I go to sleep at night, the two green lights (emitting from both sides of the MagSafe connector of my 13" MacBook Air's power adaptor) light up my whole room. How do I turn these off? I ...
0 votes
1 answer
301 views

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 ...
0 votes
1 answer
44 views

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 ...
0 votes
1 answer
7k views

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 ...
0 votes
0 answers
281 views

Windows 11 battery life issue

In early 2022, I bought a new Lenovo ThinkPad E14 Gen2 with an AMD Ryzen 7 4700 u. It had Windows 10 pre-installed, and I immediately upgraded to Windows 11. Although the manufacturer promised a ...
1 vote
4 answers
2k views

Would upgrading to Windows 10 Pro and enabling WSL affect my laptop's performance?

I just got a new laptop, which I chose mainly for its long battery life. It has an i5 8th gen processor and 8GB of RAM. It came with Windows 10 Home. Now I am intrigued by the idea of having a Linux ...
1 vote
1 answer
1k views

What can I do as far as controlling battery charging via a "Microsoft ACPI-Compliant Control Method Battery"

I noticed that sometimes when my laptop is plugged in it says "Plugged in not charging" - searching around I see all sorts of ways to disable this by removing the "Microsoft ACPI-Compliant Control ...
3 votes
2 answers
1k views

Make my thinkpad battery discharge when it hits upper threshold even while plugged in (TLP)

I just installed TLP on my Thinkpad x230 running Linux Mint. A colleague suggested it for optimizing battery life. My expected behavior (based on my understanding of his description of battery life ...
1 vote
0 answers
741 views

Force Edge to run only in iGPU on my laptop

As the title says, I'm trying to restrict Microsoft Edge to run using only the Intel iGPU to save energy on battery and avoid unnecessary stress and high temperatures when plugged. I tried to do it ...
59 votes
8 answers
90k views

How do I keep a MacBook battery charged to only 70%?

A chemist told me that a battery should be charged to and used between 30-70%, and its very bad for battery life to completely load or unload it. He uses a utility program that always keeps the ...
0 votes
1 answer
2k views

Why does my laptop battery only charge to 95%?

My laptop (MSI GS76 Stealth 11UH) is plugged all the time. I've noticed that the battery charge is 95%. Why not 100%?
0 votes
0 answers
98 views

Is it better to continue the uncomplete charging session of the laptop battery after waking it up or should you just let it discharge first?

I am using a new battery on my laptop. My OS is Windows 10 and I've searched for this question for a long time. Suppose it's the end of the day and you are doing the last things on your computer while ...
1 vote
0 answers
727 views

Battery slowly draining on AC power then laptop (running Ubuntu) drastically slows down when it hits 30%

So all of a sudden my AC charger is not able to keep my battery charging when I'm using my laptop anymore. My Laptop is an Acer Aspire 5 A515-51G-72DB and I bought it brand new 5 years ago. It slowly ...
1 vote
1 answer
114 views

PC Shuts Down Before 10% and Battery Test Shows Battery Capacity Reduction

I recently purchased a new Li-ion battery for my HP Probook 4520s PC which claims to be 5200mAh/58Wh. When I ran battery scan with windows powershell, I saw that the capacity was 45Wh. I was directed ...
57 votes
11 answers
63k views

Is it wrong to use a laptop with the lid closed?

Recently I decided to use my laptop with an external monitor and I always use it closed-lid and enjoy. :) The question is: Is it wrong to use a laptop closed-lid? I mean problems like overheating ...
0 votes
2 answers
172 views

Dell Inspiron battery diode on indefinitely

I have a Dell Inspiron 15 Gaming 7577 with specs hardly IMHO important, but someone might be of other opinion, so let me start with all that non-sense: BIOS/UEFI: updated to 1.16.0, latest to date; ...
0 votes
0 answers
400 views

Is there a way to disconnect the laptop battery in Arch Linux?

I use Arch Linux on a laptop. To make the battery last longer, I wanna be able to disconnect it entirely to minimize idle leakage and little recharges when the battery level drops. I also want to be ...
0 votes
2 answers
510 views

Mimicking Laptop Battery Management Software With Smart Switch

I just bought a new HP Laptop (Envy x360) and was very surprised to find out that it had no battery/energy management software or anything in the bios to manage the charge of the battery to keep it at ...
1 vote
1 answer
913 views

Battery Usage in Windows 11

If I navigate to Systems > Power & Battery in Settings, and then down to the Battery Usage section, there should be a section that shows the Battery Usage per Application. Unfortunately, on my ...
1 vote
0 answers
67 views

Random battery Macbook issue from 22% to full charge

After the battery replacement and an SMC and PRAM reset, still I'm getting strange behaviors on the new battery. I have been working the MacBook for some time, and after having 82% of charge it ...
2 votes
0 answers
2k views

Bluetooth version for mouse [closed]

What new features are exposed in newer versions of the Bluetooth standard that improve such things as power consumption and latency specifically in the use case of a Bluetooth mouse? For instance, ...
2 votes
3 answers
19k views

Is there a Windows 10 setting or an app that can control a laptop's battery charge capacity?

There is a bundled laptop software that comes with a battery master that allows users to set the maximum limit of the battery charge capacity (e.g. 60%, 80%, 100%). Is there a Windows 10 application ...
0 votes
0 answers
1k views

new battery, wear level is 67.7%,16.3%, 8.9%, then 7% at the 3rd charge Cycle, is normal?

I just installed an OEM battery on my Surface Pro 4. At the very beginning, the battery Wear Level is 67.7%. Then I tested it with discharge and charge cycles. The Wear Level reduces as the following ...
0 votes
2 answers
372 views

Unplug or switch off AC outlet when laptop is not in use?

I just replaced the battery of my laptop, Inspiron 15 7000 7567, it was damaged (swelling) and now it works fine. I used to have my laptop connected all the time with the AC adapter, and the AC ...
0 votes
1 answer
373 views

Laptop battery fake discharge after hibernation

Recently I've noticed that every time I'm hibernating the laptop for a longer time (no more than for the night), when it comes back up, it starts at 0% charge and has trouble doing so (tries to ...
0 votes
0 answers
381 views

powercfg /batteryreport no correlation with actual battery life?

I have 6 batteries for my laptop. I used powercfg /batteryreport to check "Full Charge Capacity" for each of them. Then I wrote a quick Excel VBA script that enters total elapsed time in a ...
1 vote
2 answers
130k views

What is the difference between 3 cells, 4 cells and 6 cells battery

I am going to buy new laptop but there is some confusion in battery capacity. I found that 3 cells battery backup is good than 4 cells battery laptop but I read somewhere that more cells means that ...
9 votes
10 answers
63k views

Battery charge suddenly drops from about 25% to 6%

I own a Lenovo Y500 series laptop. The battery being an year old lasts only 1 hour. But the strange thing is that, when the charge comes down to 25-20 it drops to 6%(critical battery level) in a ...
0 votes
2 answers
476 views

Does keeping a computer on power kill the battery? [duplicate]

If we keep a computer charging, does it affect the battery so much that battery-life is greatly shortened? I am trying to find out why someone else's computer battery always gets bad after a couple of ...
16 votes
5 answers
26k views

What is the "known hardware incompatibility" that disables PCIe Active State Power Management? How do I fix it?

I'm on Windows 7. I just ran a Power Efficiency Diagnostics Report through powercfg -energy and I got this error: Platform Power Management Capabilities:PCI Express Active-State Power Management (...
7 votes
3 answers
8k views

Hidden differences between system power plans in Windows?

I was wondering if—aside from the settings listed in the Change advance power settings—do the pre-made power plans change any other hidden settings like throttling, CPU clock speed, etc? For example, ...
4 votes
7 answers
50k views

missing battery time remaining estimation

I am examining a new Surface Book 2 and missing the battery time remaining estimation. On a Surface Pro 4 it behaves as expected and I try to check the differences. If you google it, there are many ...
1 vote
1 answer
2k views

Keeping laptop charger plugged-in, while charging stops at 80%

I have an Acer Gaming Laptop, it comes with an inbuilt feature, that stops charging the battery when the capacity is above 80%, it can be found under Acer Care Center named as Battery Charge Limiter. ...
0 votes
1 answer
277 views

Asus ROG G752VM no battery detected

My ASUS laptop today didn't turn on when I pressed the button to switch it on. Adding the power supply, the laptop turned on, and noticed the battery icon shows 'no battery detected". I have ...
0 votes
1 answer
45 views

How can I fix the issue that when working on battery, my laptop turns off without any notification?

I have a Sony VPCEH 2010 Laptop and Win 10 is installed. When on battery, If the battery arrives at about 30%, my laptop suddenly turns off without any "Battery Low" warning and after ...
2 votes
2 answers
4k views

Why is there such disparity in battery life between wireless mice?

When comparing the specifications of wireless mice, the battery life figures I encounter (as reported by both manufacturers and users) can be wildly different, even between similar mice. For example: ...
1 vote
0 answers
130 views

My MacBook Air M1 (2020) drains the battery faster than expected when I keep my Android phone connected to it

The battery drains very quickly on my MacBook Air M1 (2020) when I keep an Android phone connected to it. I use it for app development. Is there any way I could stop the Android device from charging? ...

1
2 3 4 5
7