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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32 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 much ...
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340 views

Macbook Battery Charging Troubles

Problem: Occasionally, my macbook's battery will say it's charging and actually won't be. It stays at 0% for a long time. Other info: I thought it was my battery (laptop was 3 years old). Got a new ...
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180 views

How to accurately determine the remaining time of your laptop battery

I have a big issue with the estimated battery life of my laptop Though it states that i have an estimated 2hrs 23min battery life before the battery runs out , it normally lasts me only 0.7 hrs to ...
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999 views

Modify Laptop Battery's internal status?

Is there any way to modify the values of the laptop battery to make it fully charge? I assume that these values are stored in EEPROM. I would like to know if there is any tool that can read/write ...
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36 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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127 views

Power4gear purpose and value

Asus laptops have Power4Gear app installed. Beside usual "custom" settings like when screen dims, laptops goes to sleep etc, does it have any other purpose or value? For example, does this software ...
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147 views

New laptop battery charging only until 37% and keeping alive after reaching 0%

I just bought a new battery for my laptop (Sony VAIO). When I plugged it the first time it was 66% charged. I use it until I reached 5% and after that I started charging it. It just got charged until ...
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100 views

Kubuntu 12.10 laptop battery droping fast

I have done fresh install of Kubuntu 12.10 on my HP Pavilion G6 Laptop. I'm a bit nervous that my battery is not lasting more than 1 hour while for Windows 8 it was lasting for 5 Hours(while using ...
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310 views

How do I interpret the information regarding the Vivobook S400CA battery life?

I'm interested in an ultrabook, but I cannot understand it's battery life's spec. The model's website indicates that it has 44 Whrs Polymer Battery How does this information translates into the ...
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835 views

No longer get battery notification or action

I have an Asus n43jf laptop running Windows 7 64-bit. The laptop is a little over a year old. Up until very recently, when the battery would run low, I received a low battery notification, and if I ...
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205 views

New Laptop Battery

My laptop battery recently decided to kick the bucket, so I bought a replacement. I charged the replacement for approx 4 hours and assuming it was fully charged (only took my last batt 4 hours) ...
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508 views

Best usage for a laptop being used as a desktop without removable batteries

After reading the information on http://batteryuniversity.com, I realize that one of the best ways to permanently damage a lithium ion battery is to use the battery at a high temperature while it's ...
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52 views

Computer doesnt charge and harddrive fail after spilling fluids

I spilled tea under my laptop (Dell 7520 15R) yesterday, water got on my rams, hard drive and battery. Computer shut down immediately. I cleaned everything, assembled it and it works fine, except that ...
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23 views

What depth of discharge does 0% in a UPS correspond to?

When a UPS like an APC Smart-UPS shows 0% charge remaining, does it mean the deep-cycle batteries are completely discharged or that they're at 20%?
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367 views

Battery life Samsung Series 7 with Linux (Mint, KDE)

I've been trying all the tricks I can find to reduce power usage on my Samsung series 7 (Ivy Bridge Core i7, AMD Radeon HD 8570M GPU) laptop (running Linux Mint Olivia, KDE version), but it all seems ...
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364 views

Repeating mysql error in OSX console

I'm getting an endlessly repeating set of errors in my mac's console that go as follows: Jan 6 00:21:37 Air com.apple.launchd[1] (com.mysql.mysqld): Throttling respawn: Will start in 9 seconds Jan ...
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34 views

Force-reset laptop battery statistics

On my Acer Aspire S3 laptop-of-almost-3-years BatteryInfoView says that the battery's capacity is at roughly 35%. So, whereas once it would hold for 4,5 hours, now it's down to 1:45 at best. However, ...
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34 views

Laptop suddenly off without notice the battery level

My laptop is HP Probook 4540s and running on Widows 7 32bit OS. My battery may be week now. But the problem is Laptop suddenly off without notice the battery level. Not shutting down or hibernateing. ...
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32 views

How should i use my new lenovo laptop(power supply)

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 dont want to strain the battery by changing ...
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93 views

Samsung Ultrabook Series 5 Cuts out with 50% + battery life left

Initially with 100% battery charge, laptop shows time remaining of around 8 hours. Then with an hour it drops constantly before shutting down without warning when the battery showing around 60% ...
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99 views

Are those CPU temperature readings too high?

System specs & state: windows 8 running 15" notebook, AMD dual core m340 CPU (from 2010), 8gb ram, newly cleaned fans and internals, no unnecessary background tasks running, laptop is elevated a ...
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36 views

Is there a way to tell a laptop not to use the battery, besides removing it?

Is there a way to tell a laptop not to use the battery, besides removing the battery physically? I mostly use the laptop as a desktop, but sometimes may need to take it into anothewr room.
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77 views

Fedora 19 heats up my laptop

I am having a DELL inspiron N5010 with 1GB ATI Radeon 550v Graphics card, 6 GB RAM and i5 2.4 GHz processor, I am running dual operating systems on this laptop while running windows 7 my laptop hardly ...
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655 views

It seems Windows 8.1 killed my two T60 laptop batteries

Upgraded Windows 7 to Win8 earlier this year, and last week upgraded to Windows 8.1. (Lenovo T60) Had no problem with battery usage when on Win7 nor Win8. After about a week of Win8.1 on my system, ...
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51 views

Sudden drop in battery life halfway

My thinkpad x61S just got a new battery. But still the battery drops suddenly from about 50% to 0% in 15 minutes. Even with the new one. I'm running windows 7. Any ideas ?
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4k 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, and restart right after that. No blue screen, no hanging ...