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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.

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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
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1 answer
36 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 ...
Chris W.'s user avatar
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107 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
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381 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 ...
Matt S's user avatar
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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 ...
Virtuality's user avatar
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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 ...
thatman's user avatar
1 vote
1 answer
254 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 &...
ETL's user avatar
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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 ...
Shefield's user avatar
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337 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 ...
Ashish Kushwaha 's user avatar
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66 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 ...
To Do's user avatar
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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?
Leonardo Motta's user avatar
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1 answer
335 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 ...
None's user avatar
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1 answer
64 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 ...
Kev's user avatar
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303 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 ...
Benjamin's user avatar
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How to force Edge to run only in iGPU on my laptop running Windows 11?

My laptop is an Asus ROG Zephyrus M16 - i7/RTX3070 and 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 ...
jmoralesh's user avatar
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1 answer
3k 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%?
Franck Dernoncourt's user avatar
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101 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 ...
Amir Naseri's user avatar
1 vote
0 answers
751 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 ...
Alexandre Lutosa's user avatar
1 vote
1 answer
116 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 ...
scisamir's user avatar
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2 answers
178 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; ...
Vlastimil Burián's user avatar
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442 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 ...
ChocolateOverflow's user avatar
1 vote
0 answers
78 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 ...
Jorge Najera T's user avatar
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2 answers
574 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 ...
Jason Vorpahl's user avatar
1 vote
1 answer
954 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 ...
James Baker's user avatar
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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 ...
peterB's user avatar
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2 answers
404 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 ...
Luis's user avatar
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0 votes
1 answer
390 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 ...
runr's user avatar
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405 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 ...
Greg Lovern's user avatar
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. ...
V19ipT's user avatar
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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 ...
Andy5's user avatar
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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 ...
Alex97's user avatar
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1 vote
0 answers
135 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? ...
Nand gopal's user avatar
1 vote
0 answers
217 views

Laptop battery quickly losing capacity

I have a brand new Lenovo Yoga Slim 7 (about two months old). The battery health report in the Lenovo Vantage app shows the current battery capacity as 58.24 Wh, compared to a design capacity of 60.7 ...
Dakshin's user avatar
  • 123
0 votes
1 answer
246 views

Incorrect reading on laptop battery

Since last 3-4 days, my laptop's (Dell XPS 9370) battery is behaving quite erratically. I use my laptop mostly plugged in during the day, so the battery is charged to 100% at the end of the day. If I ...
taninamdar's user avatar
2 votes
3 answers
21k 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 ...
pizi's user avatar
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1 vote
0 answers
49 views

Do cables exist that will both charge via usb micro, but also function with a female usb port [closed]

I have a tablet, in particular, a Hyundai Protocol x8. The only port on it is a USB 2.0 micro type B port. I can use a USB micro B to USB A Female adapter, then a USB hub, to plug in a keyboard, ...
AlbinoRhino's user avatar
1 vote
0 answers
2k views

Is there anyway to stop charging when laptop battery is < 80%?

I'm a Linux (Debian) user. I work on my laptop full days. Most of the time I forget to remove the laptop charging plug. I'm looking for something when my laptop battery is more than 80% it will ...
Naiem's user avatar
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2 votes
1 answer
60 views

Keeping a spare laptop battery at home

What is the best way to keep a newly bought spare laptop battery at home?
user1934212's user avatar
1 vote
0 answers
110 views

New Battery Acting Weird

I have a Dell Vostro 14 3468 and recently my battery died. So I bought a new replacement battery on 6th of October, 2020. I followed all the instructions mention and did my first charge to 100%. When ...
Muhammad Ahmad's user avatar
0 votes
2 answers
545 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 ...
user avatar
0 votes
2 answers
52 views

LAPTOP BATTERY ideapad lenovo

Design capacity 629.75 Wh Full charge capacity 23.4 Wh is my battery life is poor , do i need to replace it? is there any way of calculating life of battery?
Shivam Kumar singh's user avatar
0 votes
1 answer
85 views

Transferred old SSD with OS to new laptop w/o clean install. Battery drains indredibly quickly

So one of the main selling points of the laptop I just bought last week (Dell xps 13 9300) was its long battery life, allegedly 8hr on heavy use, or 13 hours light use, according to most benchmarks I ...
Laura Salas's user avatar
0 votes
2 answers
183 views

If I keep my laptop charging while I use it, will it spend lifecycles?

I am looking for a laptop to buy and I am reading some pages about hardware and battery. I read about lifecycles and that if I remove the battery and use it plugged, it will prevent battery from ...
Emilio Sanches's user avatar
1 vote
1 answer
306 views

Charging a laptop with usb c charger but it does not support it will damage the port?

So there is a reverse charging thing built into smartphones nowadays.I connected my phone to the usb port of my laptop and my laptop said charging is not supported from this port and I saw that ...
Tech's user avatar
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0 votes
0 answers
7k views

Full charge capacity much much lower than design capacity?

I had no idea about battery report on windows until recently. I have a Dell Inspiton 5570 bought 2 years ago. I didn't know if full battery capacity met design capacity then. But now, full charge ...
Sandil Adhikari's user avatar
-2 votes
1 answer
1k views

So what exactly is RESERVE BATTERY LEVEL(IN %) in Dell ALIENWARE Laptop?

So what exactly is RESERVE BATTERY LEVEL(IN %) in Dell ALIENWARE Laptop? RESERVE BATTERY LEVEL (RBL) WHAT is RESERVE BATTERY LEVEL? Please follow with the series of screenshots for explanation ...
Strobe's user avatar
  • 1
0 votes
1 answer
239 views

Should battery count for laptop be a negative number

I have a Toshiba Satellite P55W-C5200X that dual boots Windows 10 and Ubuntu. I had to replace the battery, which is removed by opening the laptop's bottom (doesn't pop out), over 3 times. I bought ...
Jinzu's user avatar
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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, ...
Maarten Bodewes's user avatar
1 vote
0 answers
167 views

How to set charging cap for a laptop battery?

From various sources I learned that when you need store a battery for extended period of time, it's best to support it's charge level somewhere around 40-50%. Some laptops have firmware settings which ...
The Dreams Wind's user avatar
1 vote
2 answers
93 views

Laptops Battery not holding much recently Acer Predator g3 571

my Acer Predator's battery isn't holding it anymore it used to do 2 to 3 hours on power-saving mode, not it only does an hour and a half, this starts to happen recently according to the battery report ...
Datatravler's user avatar

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