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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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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 ...
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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 ...
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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 ...
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35 views

ASUS Battery Health on Asus UX433FN or UX333FN [duplicate]

I would like to buy the Asus UX433FN or UX333FN but the ASUS Battery Health software is vital for my usage. It doesn't seem to be available for these specific models. Is it possible to have it ...
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0answers
24 views

How do I keep a MacBook battery charged to only 70%? (USB C connector)

Following from this question and answer (https://superuser.com/a/1130375/979099) - Does anyone know the equivalent power cord trick for newer macs?
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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 ...
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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 ...
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2answers
91 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 ...
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1answer
24 views

How can I reduce power draw while suspended?

My new XPS 13 has pretty poor battery life while suspended. I've had to switch to hibernating. Is there any way to tweak bios or something to reduce suspended power draw? It has Fedora installed, ...
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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 ...
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1answer
140 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 ...
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1answer
263 views

windows 10 Fall Creators Update - Missing power mode slider in the taskbar

After Windows 10 upgraded to Falls Creator update, a new power slider appeared in the taskbar (when clicking the battery icon). After some time, the slider disappeared and never came back despite ...
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0answers
68 views

What is killing my MacBook Pro battery?

My 2013 MBPr has suddenly been draining its battery when it isn't plugged in and the lid is closed. Sometimes down it hits 1 or 0 percent to cause a deep sleep. According to the advanced battery menu, ...
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0answers
18 views

How can i disconnect my laptop's battery without physically disconnecting it? [duplicate]

I always need to disconnect my laptop's battery, for the sake of battery life. but that is a really frustrating thing to do 3 times or more a day. is there a software relating thing can i do to ...
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6answers
19k 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 ...
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0answers
56 views

Save dead on arrival MacBook battery

I bought a MacBook Pro 13'' with touch bar 2 years ago and only now (for several circumstances) I had the chance to unbox it and connect it (it remained in an unopened box for two years). I plugged ...
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0answers
18 views

Maintain battery life of laptop when charging [duplicate]

I have heard that you should not charge your computer while using it or it kills the battery. I have also heard its bad to keep it plugged in all the time. In general what is the recommended charging ...
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0answers
76 views

laptop's battery is not charging

Model: Asus x540SA My laptop is unibody. It's battery is not removable. the battery isn't a normal battery, it is some cylindrical batteries covered by plastic. Now, my laptop only turns on with the ...
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0answers
117 views

Laptop stops charging after seconds when plugged in and turned on

I have tried the answers here Laptop battery says plugged in, not charging to no avail. I have a Lenovo G50-70 running Win 10. The laptop charges fine when turned off, but when turned on it doesn't ...
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0answers
35 views

How to make my ubuntu laptop not to use the built-in battery?

I have a Lenovo y50 which I use all day and night. It is plugged in most of the time. I was wondering if it is possible to make my laptop not to use the battery sometimes and get it out of the ...
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1answer
102 views

Lenovo Battery Capacity reduced to under 20%

I have a 2 years old lenovo Z51-70 laptop (Windows 10). Recently I started experiencing faster battery drainage. Using windows tool powercfg, I generated battery and energy reports. It looks likes ...
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0answers
45 views

Laptop battery suddenly drops to 0% & I have to recharge it

I have a dell inspiron 3542. It's battery timing is 3-4 hours. But recently it started behaving weirdly. Battery suddenly drops to 0% and it turns off and doesn't start. I have to recharge to start it ...
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1answer
330 views

XPS 13 9350 battery grossly uncalibrated

For the past week or two, I noticed that my windows 10 battery percentage on my XPS 13 9350 would max out at 55%. powercfg /batteryoutput showed a design capacity of ~56mWh and a full charge capacity ...
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1answer
802 views

Windows 10 battery percentage of design or full charge capacity?

Is the battery indicator in Windows 10 a percentage of the design capacity or the current full charge capacity of the battery ? ie. if my battery capacity dropped from say, 60mWh to 30mWh from wear, ...
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0answers
175 views

Windows 10 battery report - Full charge capacity exceeds design capacity

I've replaced the battery twice on a Sony Vaio SVS15 with an aftermarket brand and have run into an odd result in Windows 10 battery report. DESIGN CAPACITY 48,840 mWh FULL CHARGE CAPACITY ...
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1answer
28 views

Why do some battery-powered devices shut down at high power levels?

I have a laptop that consistently shuts down at about 60% battery. No warning, no "shutting down" screen, just an instant loss of power. This is an HP laptop running Ubuntu, if it matters. I also ...
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1answer
123 views

Laptop's battery time drastically decreased

First up, I hope I posted this on the right forum, as I don't think it's a software issue. A few days ago, I bought a refurbished ThinkPad T420s. The first day, it had a battery capacity of roughly ...
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0answers
92 views

Has my laptop battery lost 40% of its capacity?

The past few (work) days, I have noticed that at the end of the day, Windows was reporting that my laptop was plugged in, my battery was not fully charged, and that the system was not charging the ...
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0answers
12 views

How do I turn on saving battery when away from notebook?

How do I turn on saving battery mode when away from notebook, for say, 2-3 minutes without use? Does windows 10 have something like this natively? if not, what's a good software for this?
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1answer
3k views

Battery draining when laptop shut down?

I have had this problem for a few weeks now, tried a few different fixes that I have come across online, nothing seems to work so far. I have attached part of my battery report, which shows the ...
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2answers
144 views

How do I make a custom lock screen?

I would like to display the time as an analog clock on my lock screen, and I would like to show my battery percentage as a large loading bar stretching across my screen. Can I design a custom lock ...
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0answers
48 views

Laptop battery drains really fast after firmware update. 10 hours life to 2.5 hours

An automatic update on my windows laptop happened the morning of July 25. I believe the update was: 2017-06 Update for Windows 10 Version 1703 for x64-based Systems (KB4022405). It stated that the ...
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1answer
63 views

How can a laptop run fine on AC power but not on battery?

I have a 6 year old Asus K53SD laptop. Suddenly, yesterday the laptop won't start up. So, I removed battery and tried starting up on AC power only. It worked fine. Then, while on power and on running ...
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1answer
527 views

Laptop keeps switching between being plugged in and not plugged in with external battery

When I have my external battery hooked up to my laptop, it shows as being "plugged in, not charging" for a few minutes but then after about 10 minutes or so, it switches between being plugged in and ...
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0answers
63 views

Windows Battery Report shows use before purchasing

I bought Microsoft Surface Book 512GB i7 16GB with original packaging but not from the store directly. The previous owner claimed its brand new and looks like one. I generated Battery Report using : ...
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1answer
364 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 ...
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0answers
87 views

Is there a way to enable Windows 10's battery saver permanently?

This may be a silly question, but is there a way to enable Windows 10's battery saver while connected to a power source? My computer has a old hard disk, and Windows is much faster with the power ...
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1answer
347 views

My 2 months old HP laptop (HP 15-ay106ne) is suddenly shutting down [closed]

I'm from India. I bought a HP 15-ay106ne laptop through my uncle in Abu Dubai on 01-01-2017. After a week I noticed that it didn't charge up to 100%. After 15 days I noticed that it suddenly shuts ...
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1answer
1k 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 ...
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1answer
149 views

Windows “Settings” (“Managed By Windows”) insane power usage

I just rebooted Windows, and it suggested I look at how much battery I was using on the Surface Book, telling me that "running too many applications will reduce your battery life". So it popped me ...
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2answers
418 views

High idle power consumption on Alienware 15R2

Just recently, I have noticed that my battery life has gone down the drain on my Alienware 15r2 laptop. It used to be able to last me a whole day, 4-6 hours browsing the web or using Google docs. But ...
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2answers
47 views

Charging the laptop's battery during some heavy workload

When you have the battery in and the charger plugged in and you have some heavy load (gaming for example), which is safe for as much as possible longer battery lifespan? Charger plugged in along with ...
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2answers
95 views

Is my laptop battery still usable?

I had a li ion laptop battery about 2 years ago, there's a safety test sticker dated July 2015 on it. I've never had it in my laptop, it's just been sitting in storage up until now. My current one is ...
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1answer
570 views

Replace laptop battery with lower mAh

My current laptop battery has a capacity of 2750 mAh. Will my laptop still work if I use a replacement battery with fewer mAh?
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3answers
4k views

Does disabling laptop keyboard backlight LEDs improve battery life?

On a laptop, if you press the key that turns on/off the backlight on the keyboard, does it improve battery life? I ask this because I find myself instinctively disabling the LEDs when I don't need ...
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0answers
85 views

Recalibrate 'full charge capacity' in Samsung notebook

The battery of my Samsung NP870Z5G notebook is showing rather weird behaviour: It can be charged normally and still gives 6+ hours of battery life, but the charged-value jumps at around 50% down to 0%....
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1answer
57 views

How do I automatically quit app when disconnecting the power cable on Macbook Pro?

I have a Macbook Pro with macOS Sierra. I have the Suunto Moveslink2 application running in the background, but I really only need the app when I connect my sports watch to my mac (1-2 a day). ...
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0answers
353 views

How do I enable battery saver in Windows 10 with a batch file?

I change between power plans a lot on my laptop (Win10 Pro) so to eliminate clicks, I've been doing this via a simple batch file. For example, to enable my power saver power plan, I use: @echo off ...
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1answer
533 views

My battery is stuck at 43%

I have a Dell Latitude D430 and the battery is stuck at 43%, even though it's been plugged in for days. It runs on batteries fine, and then recharges back to 43% only. I have Ubuntu 16.04 installed.
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1answer
211 views

How long should I charge my external battery (5600mAh), when it's empty?

I bought a 5600mAh external battery for my iPhone 5. It doesn't have an indicator of charge percentage (don't get smart, yes I know, iPhone shouldn't be mixed with non genuine Apple merchandise and ...