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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Will keeping my new MacBook continously in charge damage the batteries? [duplicate]

I just bought a new MacBook, which I'm primary gonna use as a "desktop pc" (in office). Not always, but for large period of time (~ a month without moving it from my desk). I would like to ...
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1answer
227 views

Can you disable the GPU on a Macbook Air?

Can the graphics processing unit (GPU) be disabled on a 2011 Macbook Air as a means of increasing battery life?
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0answers
13 views

OSX El Capitan, Macbook pro

My battery does not seem to last very long. ca anything be done short of having the battery replaced? I have tried the old full charge, use it till it dies and recharge, but without help
2
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1answer
481 views

Laptop battery liftime from Dell specs?

Question: When I buy a Dell Laptop, I get the following choice for battery: (Lithium-Ion main battery with X cells and Y Wh [included in price/at additional $] Lithium-Ionen-Hauptakku mit 4 Zellen ...
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1answer
25 views

What will change with my new Inverter?

Before i had a 750W Inverter (12V input) and i use 2 x 12V (150AH) car batteries connected in Parallel. With this configuration , i can keep my 2 Computers around 2 hours when there's no electricity. ...
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1answer
1k views

Turn off battery life warnings from Dell Feature Enhancement Pack

How to disable this annoying message that probably appears on any Dell laptop after about one year of usage (my personal experience from 3 different laptops)? My Dell Feature Enhancement pack ...
3
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3answers
95k views

What is a WHr (watthour)?

I was looking for a few computers, and my dad was really picky about the battery life. One of them was "Up to 5 hours", another was "4-cell Lithium Ion (43WHr)", and another was "6-cell Lithium Ion (...
0
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1answer
47 views

Prevent Windows and apps from using hard drive to increase battery life

I've recently found out that HDDs consume ~6 times less power when not spinning, and so I thought it would be interesting to see by how much my battery life would increase if I minimized hard drive ...
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0answers
23 views

precaution i have to take during ups battery bank maintenance

What are the precautions I have to take to replace a 12v 174Ah battery from a battery bank having 48 or more batteries of a UPS system.
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0answers
19 views

Windows 10: Battery level stuck on reserve level?

I haven't performed a battery calibration (gauge reset) in a long while, so I decided to do it today; after charging to 100% and discharging down to 7% (the reserve level), the battery level refused ...
0
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1answer
35 views

Lenovo G50-80 without battery

Can I run my laptop G50-80(with li-ion battery) only on AC power without battery to prolong battery life-time? Is there any problem if I do so continuously?
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6answers
15k views

Logitech M705 Wireless Mouse: Are the batteries dying, or does the device have a hardware failure?

I have a Logitech M705 wireless mouse. I'm first time using a wireless mouse, so I don't have much experience with the hardware features and behavior. It is rated that it runs for 3 years with the ...
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0answers
30 views

How to turn off second hard drive while working with the first? [duplicate]

I have 2 hard drives , SSD and mechanical in my laptop .most of the software and OS are in the SSD . how to turn off the mechanical hard drive to save battery life when working with the SSD ?
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0answers
20 views

Custom Windows Power Plan Issue

When you create a custom power plan in Windows 10 using one of the existing power plans (High Performance, Balanced, Power Saver) as a template, are those power plan "templates" simply a grouping of ...
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0answers
9 views

Why isn't the OEM-provided (Sony) battery health monitor working?

I have a 2010 Sony Vaio Z11 (a very nice laptop, I might add) which has a 9-cell "extended" battery attached to it. When my laptop was new, 6 years ago, I got a full 7 hours out of it - which would ...
0
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1answer
29 views

Prolong battery life [duplicate]

What are the general guidelines for maintaining the laptop computer battery? -Is using the laptop on battery,disconnected from outlet,better or is the opposite true? -If the computer is performing ...
4
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2answers
576 views

Dell M6700 much slower when connected to external battery pack (Energizer XP18000)

A while back, I bought some external battery packs to extend the battery life of my laptop. They're Energizer XP18000s. But I got the feeling that my laptop was going much slower with the battery ...
10
votes
3answers
13k views

How does limiting a laptop battery's full charge to less than 100% extend its battery life?

My laptop lets me limit how much of the battery will charge before reaching full charge: At first, I understand what the intent is. I know that overcharging a battery will result in degradation of ...
0
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1answer
15 views

Hard disk keeps turning off when “Battery Saver” mode is on, despite all setting

I have changed all settings regarding hard disk turn off time to "never" in all power plans. Still when Windows 10's Battery Saver feature is turned on, the hard disk keeps shutting down after a few ...
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2answers
10k views

Can a faulty battery cause my laptop to shutdown even on AC line? (battery installed AND plugged in together)

Until recently, I experience something rather annoying (and troublesome) with my laptop. It spontaneously shuts down itself without any warning, it restarts. No blue screen, no hanging program, just ...
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2answers
142 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 ...
0
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1answer
10 views

Unexpected shutdown when not charging

I have come across an issue with my laptop today,it is a toshiba satellite and it is more than 3 years old. I unplugged it earlier today and after a couple of minutes,it shut down instantly;no blue ...
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0answers
19 views

Can contemporary batteries report on their health status?

The battery on my laptop is weak and I have a bunch of spare ones I could reuse. One problem, though, is to quickly estimate which ones are "better" than the others. Windows (7, 8, 10) have the ...
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0answers
44 views

Significant drop in battery life on new laptop

I got an Acer Aspire V Nitro about 4 months ago and I've noticed a really large drop in battery life lately, despite attempts to fix that. Unless I really need it (games, which I rarely play, or ...
0
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1answer
54 views

How to properly take good care of your laptop battery if you're not really going to use it a lot?

I probably never ever have my batteries inside my laptops except in extremely rare situations (those on average happen something like once per two years, if at all) when I need to unplug one of my ...
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7answers
13k 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 ...
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0answers
73 views

How do I disable devices to conserve power?

I run ArchLinux on a Lenovo G series and downloaded powertop and it says that USB bluetooth and "USB device: Lenovo EasyCamera" are drawing a lot of power. While it advised I implement these rule: ...
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0answers
95 views

Should I keep my new Lenovo laptop plugged in?

I usually keep it at home. Is it alright to use it plugged in? I don't want to mess up the battery. I love how smooth the laptop runs plugged in and I don't want to strain the battery by changing ...
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2answers
13k views

Enable Lenovo's “conservation mode” on boot

I have a Lenovo Z50 laptop with Lenovo's Energy Manager installed. Inside the manager's settings menu is an option to enable "conservation mode", which keeps the battery charged in the 40-65% range ...
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1answer
930 views

Lenovo (T500) battery manager

First of all, sorry for asking 2 questions on one day (the two are totally unrelated). I've got an extended brand Lenovo battery and a Windows 7, with the Lenovo made power manager for Windows 7. My ...
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5answers
3k views

Is it normal for a laptop to discharge to 60% when not plugged in and not turned on for 5 days?

I recently purchased a Lenovo IdeaPad Y400 and have noticed that after I do the following: Use the laptop while plugged in Shut down and unplug (it is fully charged at this point) Turn it back on ...
2
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3answers
20k views

Lenovo laptop: Is it ok to leave the battery charging while it is being used? [duplicate]

Is it ok to leave the battery charging while it is being use? Or is it ok to keep the power plugged in with full charged battery while the laptop is in use? Can this shorten battery's lifespan?
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0answers
53 views

is it possible to “reset” the counting mechanism of power manager for battery maintenance (Lenovo)

Lenovo thinkpad provides a power manager software that allows for battery gauge reset. It's a hunch but it seems that there is a counting mechanism every time I "perform reset". In early days when I ...
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0answers
21 views

Sony Vaio Notebook - Automatic shift in Low Battery Level %

I have Sony Vaio VPCYB15AG notebook. It has a built-in low battery warning indicator (Blinking LED) that operates independent of the OS i.e. it gives this warning even if no OS is running. Earlier ...
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7answers
62k views

Is it better to use a laptop on battery or on AC power?

When I'm at home, is it better to use the laptop plugged into AC power, or with just the battery, for the overall battery life?
2
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2answers
7k views

Does “use hardware acceleration when available” feature in google chrome consume more battery?

I want to know when i enable "use hardware acceleration when available" feature in google chrome, it consume more battery? what is the advantage of this feature? is it better to enable or disable this ...
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5answers
11k 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
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1answer
58 views

When is it time to replace a laptop battery? [closed]

My laptop battery life has degraded substantially. I downloaded and ran BattStat, a battery status monitor. It tells me: Capacity is 37829mWh (of 65664). Also, under "Info": Li-I, 0 cycles, 42% ...
3
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3answers
261 views

How do I know how much power is left on my external battery?

Our IT consultant persuaded us to add an external battery pack to our dying UPS, rather than buy a new one. The UPS still counts down from about 4 minutes after the AC power is removed, but continues ...
0
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1answer
43 views

Macbook Pro Battery Life: Battery vs. Power Adapter

What is better for my Macbook's Pro 13' 2015 battery life: 1) Loading it to 100% and then using it to ~20%, loading it again OR 2) Using it plugged in to the power adapter all the time?
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0answers
7 views

Does keeping pc in sleep mode for long time affects it in anyway? [duplicate]

I keep my laptop in sleep mode and sometimes I forget to switch off when going to sleep and it stays like that most of the time. So is it a bad practice like can it affect the performance of the ...
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2answers
554 views

What consumes laptop battery when it is turned off?

My Toshiba laptop consumes battery while it is off. At night I usually turn it off and unplug the power supply. I noticed that when I turn it on again the battery is no longer full but around 90%. ...
4
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2answers
4k 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 (...
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2answers
88 views

Missing Battery Health Warning Checkbox - Window 7 SP1 - Vaio Netbook

I am using Sony Vaio Netbook with retail Windows 7 SP1. I somehow felt (but not very sure) that battery might have drained quickly today. I remember there is a setting something like ‘Warn if ...
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1answer
60 views

How to keep and restore OS state when electricity was goes off?

I am using laptop and want to not lose my operating system running state when electricity was goes off. Of course this question can be solved by using a laptop battery or external power supply (such ...
9
votes
5answers
13k views

Fastest way to drain battery

I'm using Mac OS X 10.7.1 on a Macbook Core 2 Duo. What's the fastest way of draining the battery without crashing the system and preferable by using some sort of a script?
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1answer
56 views

Does charging a windows phone with a PC have any negative effect on the battery?

My wall charger stopped working all of a sudden and my office is far from where I can get another one, the only option is to use my office PC to charge with the use of USB. So, I'd like to know if ...
2
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1answer
47 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 ...
4
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3answers
451 views

Do same size screens with different PPIs affect battery differently?

I was trying to find out if screens with different resolutions have different effects on the battery life. Around the net, I see a common answer as no to the question: "Will changing screen resolution ...
4
votes
1answer
23k views

Low battery notification doesn't show up in windows 7

On my Lenovo Y410 model laptop I've installed Windows7. Earlier I used to have Windows XP. In XP I used to get low batter notification when my battery reaches 10% life. In Windows 7 I've even set the ...