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.
1,870
questions
13
votes
3
answers
18k
views
Is it OK for the laptop to always be plugged in? [duplicate]
Possible Duplicate:
Is it better to use laptop on battery or on AC power?
If I stay near a power source is it recommended to always have my laptop plugged in?
Or should I use the battery and let ...
13
votes
5
answers
65k
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 is.
But this is about how to increase the battery lifespan.
Also ...
12
votes
5
answers
13k
views
Does Windows 10 Fast Startup feature drain battery while laptop is turned off?
I'm wondering if leaving this feature enabled drains the laptop battery while it's turned off. I've searched online already but haven't found a conclusive answer.
12
votes
3
answers
96k
views
Laptop battery: is voltage really important to respect?
I got an Acer Aspire 5100 and I just bought a new battery (after the stock battery just died yesterday). But I saw something after buying and I'm wondering whether it's really important or not.
My ...
12
votes
1
answer
34k
views
How to bypass Windows 10's auto shutdown on "Critical battery level" when the battery is dead?
If your battery is “critically low” in Windows 10, you get about 45 seconds before it will automatically shut down “for your own good.”
Well, if you have a computer with a bad battery, your computer ...
12
votes
4
answers
10k
views
Is there a way to execute a program on power events?
I'm basically looking for a way to execute an application when my laptop transitions to battery power and, similarly, when it returns to AC.
Is there a built-in hook in Windows or a third-party ...
12
votes
8
answers
45k
views
Can using higher rated battery damage device?
I am in need of a battery for my Lenovo 3000 Y410 Laptop. It's installed battery has voltage rating of 10.8v. But the shop i've consulted has only a battery of 11.1v rating.
Should I buy the ...
12
votes
6
answers
39k
views
Can you plug-in the battery while laptop is on AC only?
I'm using my laptop at home with battery removed and only connected to the AC power. However I'm lacking the mobility as my power cord is kinda short. Is it safe from electrical point of view to plug ...
12
votes
2
answers
22k
views
Prevent .NET Runtime Optimization Service from running on battery?
When I opened my laptop this morning, it had rebooted itself (after installing updates). Now the .NET Runtime Optimization Service (ngen?) is using quite a bit of CPU while the computer is on battery....
12
votes
2
answers
2k
views
My MacBook is a Battery Denier
I have a four year old MacBook rev 1,1 (the original Intel Core Duo). Just recently it has begun denying the existence of its battery while still happily running unplugged. I get the X battery icon ...
11
votes
5
answers
32k
views
How to update Lenovo BIOS on a T460 without battery?
I am trying to update my Lenovo T460 bios to latest version:
Version 1.43.1.11 (https://pcsupport.lenovo.com/fr/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t460/downloads/...
11
votes
2
answers
14k
views
How can I find out when my laptop was last unplugged in windows 10?
I need to know how long my laptop has been unplugged. Is there a way to do this using cmd or some kind of tool?
11
votes
6
answers
56k
views
What is the impact of leaving a laptop in "sleep" mode (while on battery power)? [closed]
How much battery would leaving my laptop at "sleep" mode consume? is the consumption low enough so that it would be safe to leave the laptop sleeping at nights regularily and using it tommorow?
What'...
11
votes
2
answers
9k
views
What happens when laptops reach 100% charge?
I have been reading alot of mixed views on how Lithium Ion batteries work when it comes to laptops. I have the new dell xps 15, with an intel i7 cpu, 16gb ram, and a 512gb ssd.
Is it bad for the ...
11
votes
1
answer
99k
views
How to judge if a laptop charger noise is a safe "hum" or a dangerous "crackle"?
I've read existing questions and answers on noises coming from laptop chargers (e.g. https://superuser.com/a/104860/112639 and https://superuser.com/a/832501/112639 and have learnt that there are two ...