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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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 ...
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How to make Chrome only use efficiency cores on Alder Lake and later

If no, can anyone @ somebody in chrome dev team to integrate this option as a feature of future version(plus such as auto turn on/off when on battery/ac)? Mainly benefits laptops on battery and make ...
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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 ...
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2 answers
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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; ...
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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 ...
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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 ...
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2 answers
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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 ...
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1 answer
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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Laptop battery drop suddenly [duplicate]

I own a hp laptop, it isn't old, I bought it from 2 years and half. The strange thing is that from 2 weeks the battery was very good and worked for 2 or 3 hours, but now if I charge the battery 50% or ...
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1 answer
398 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. ...
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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 ...
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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 ...
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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? ...
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121 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 ...
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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 ...
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3 answers
4k 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 ...
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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, ...
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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 ...
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2 votes
1 answer
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Keeping a spare laptop battery at home

What is the best way to keep a newly bought spare laptop battery at home?
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0 answers
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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 ...
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2 answers
154 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 ...
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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?
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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 ...
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2 answers
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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 ...
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1 vote
1 answer
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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 ...
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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 ...
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-2 votes
1 answer
497 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 ...
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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 ...
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2 votes
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750 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, ...
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1 vote
0 answers
110 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 ...
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1 vote
2 answers
57 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 ...
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4 votes
1 answer
3k views

Is it advisable to update to non-OEM Intel graphics driver on laptop?

I have a laptop, Acer Swift 3 with integrated Intel UHD 620 graphics. Today I received a notification through Intel driver support assistant that I have an update for my graphics driver but it came ...
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2 votes
1 answer
143 views

Is it better to charge a battery to 70% every day, or 100% every two days? [closed]

:D Currently I have a smartphone with a battery big enough to use it 2 full days without needing to charge it, but lately I have been investigating about not charging it to the maximum, what helps ...
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1 vote
0 answers
953 views

how can i limit charging battery level at 60%

Is there a way to limit battery charging to dedicated percent to conserve or store batteries, especially for built-in batteries, I have this feature in my Lenovo laptop but I can't find it in other ...
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52 votes
12 answers
45k 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 ...
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Battery shows 5% remaining after 8 hours of charging and sometimes says "Battery not detected."

Some Observations The computer runs as expected when it is plugged in. After charging overnight (about 8 hours), the battery life is at 5%. Sometimes, the battery task bar icon says, "Battery not ...
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1 vote
4 answers
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Does a low power charger help Macbook's battery?

Since many battery expert believe 100 percent battery would hurt battery's life.So m y theory is, when you use like 45w charger which has lower than apple's original one( 96 power), you can keep your ...
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1 vote
1 answer
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Should I plug out my laptop after shutting it down?

I have 5 Lenovo ideapad 330 laptops in my office and developers work with them. Laptops are plugged in all the time when they are working. My first question: Is it correct usage of laptops? And the ...
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1 answer
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Can generic laptop battery charger ruin my original battery?

I want to use 2 power adapters for my laptop, one I keep in the bag, and one I keep at home. One is original, and other one is generic brand. They both work fine, same thing, generic one charges ...
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2 votes
4 answers
8k views

Does dual boot harm a laptop battery or reduce its life?

I dual-booted my laptop with Ubuntu 17 and Windows 10 one year back. After one year, my laptop battery backup has reduced to 40 minutes. Does having multiple OSes on a laptop harm the battery or ...
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1 vote
1 answer
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Battery Issues in new laptop

I just got a new ASUS laptop yesterday and now it seems to have battery issues. I was allowing a few updates to download and install in the "Windows Updates" settings. When the updates were ...
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Is it safe to use non-genuine laptop's battery

I own an Hp pro-book 430 G2 Laptop, While I found batteries compatible with this model they weren't exactly the same. My battery is RA04XL while What I found has RA04 written on it. Both batteries Li-...
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1 vote
1 answer
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Can I use different manufacturer’s battery in my Fujitsu laptop?

I have a Fujitsu Lifebook A555 and it's been three complete years using it. Its battery life is very low now i.e. it runs only 30-40 minutes after charging it completely. I searched the web but I ...
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2 votes
0 answers
97 views

Battery authenticity, reliability, health and Windows 10 battery health report

I recently purchased a "refurb" laptop/tablet. I was particularly concerned about the condition of the battery as the tablet is 2014 vintage. When asked as to the condition of the battery, the ...
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Is the Ryzen 2 7 PRO 3700U less power efficient than 8th Generation Intel® Core™ i7-8565U? [closed]

Lenovo x395 (Ryzen variant) says Up to 14.5 hours 48Wh (Based on testing with MobileMark 2014. Battery life varies significantly with settings, usage, and other factors.) Lenovo x390 (Intel ...
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Resource usage of docker with no containers running?

Long ago, I needed to install Docker for a college class. I still have it installed, but I haven't run anything on it for quite a while now. Does it still consume CPU/RAM/etc -- anything that would ...
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