Dell :: M6400 Battery Life 2.5 Hours

Feb 19, 2009

Just got 2.5hrs usage on battery from my M6400 (QX9300, FX2700m, 16GB RAM, 500GB RAID 0 disk array). I was pleasantly suprised by this, as previously I've only managed 1.5hrs.

I was working on a virtual PC hosted by the M6400 - developing C++ code - (connected via RDP), included lots of builds and test runs etc to the (also hosted as a VPC on the M6400) sql server.

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Apple :: How To Optimize Battery Life - Decreased From 4:30 Hours To About Over 3 Hours

Jan 20, 2009

I know the usual drill, disable bluetooth, reduce brightness and etc.. but since i bought my mac (October) my battery life have decreased from 4:30 hours to about over 3 hours. Does anyone have anytips? Use black wallpapers? Use safari instead of firefox? We could make sticky thread for reference for future mac owners. i am using safari right now, and it seems to be consuming more energy than FF

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HP/Compaq :: HP DM3-1044nr Battery Life Only 4.4 Hours

Feb 27, 2010

before microsoft rated it at 6 hours now they have knocked it down to 4.4

hp rates the dm3 @ up to 10hours

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HP/Compaq :: HP DM3T Battery Life Well Short Of 10 Hours

Dec 7, 2009

I have the following set-up on my DM3T that is getting 4.5-5 hours of battery life at a maximum with light use, ie: lowest screen brightness, wifi off, word processing. I am not running any background programs (anti-virus) or anything else that is resource intensive.

SU4100 1.3ghz 2MB L2 cache
4gb DDR3 ram
320gb 5400rpm HD

Why am I getting less than 5 hours of battery life on a unit with low specs that is supposed to get "up to" 10 hours?? Is this consistent with what everyone else is getting? Battery bar currently says that my battery's 'full lifetime' is 4:58. I just returned an Acer timeline that had the same processor and 3gb of ram instead of 4, and that thing was getting 8-10 hours easily.

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Lenovo P/Y/Z Series :: Z500 - Battery Life Below 2 Hours

Apr 1, 2013

I bought Z500 last week and I am facing problem with the battery life. I charged the laptop for 12 hr for the first time. The battery discharges within 2 hr every time. I just browse internet or watch movies and the battery life is far below the expectation.
 
There are two power plans - Balanced and Power saver and I do not see any difference in either. What is wrong with my laptop battery.

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Dell :: M6400 Battery Life / Capacity After 5 Months...

Apr 16, 2009

Got my M6400 in early December.

Now, using RMClock I note that my fully charged capacity of the battery is now only 85% of the designed capacity. (72361mWh out of 86580 mWh)

What does everyone else get?

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Dell 15R 5520 :: Battery Last For Only 2 Hours

Mar 24, 2013

I've bought some days ago an Dell 15R 5520 with i3 3110M, HD 7670M and a battery Li-Ion, 6 cells, 48 Whr. I use laptop for some browsing, listen music and edit text and my battery last around 2 hours. I turn off bluetooth. On official page of the product Dell says that battery should last for 6 hours. My OS is Ubuntu 11.10.

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Dell :: Do I Have To Charge The Battery For 12 Hours Like Before When I First Get My Laptop

Jun 19, 2009

Do I have to charge the battery for 12 hours like before when I first get my laptop?

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Dell :: Superclean Install9 Hours On A 6 Cell Battery

Mar 20, 2009

UPDATE: Cheat sheet to the superclean install posted
[url]

I am currently experimenting on seeing how far beyond the manufacturer's specifications I can take my machine. I'm keeping track of the steps I've taken, and will update this post when I feel I've reached the limits of what this machine is capable of doing, along with exact steps on how to reproduce my setup. Here's what I've currently achieved:

- A maximum of 9 hours of battery life on a 6 cell battery using 6.5 watts
- 6.5 hours of typical battery life while browsing using 8.5 watts
- No audio stuttering/crackling and perfectly green DPC latency
- Super quiet operation with no fan noise (fan stays off and doesn't spin)
- CPU temperatures around 33 degrees, rest of computer around 40 celcius
- Roughly 25 seconds to reboot to a working desktop (not just login screen)
- Only about 0.37 gigs of ram being used when idle

Machine specs are Dell Latitude E6500, Intel P8400 CPU, Intel X4500MHD Graphics, 1440x900 WXGA+ LED Screen, Corsair 128 Gigs SSD, 1.5 Gigs RAM, Dell 1397 Wireless, Dell 370 Bluetooth, DVD RW Drive, Webcam, Backlit Keyboard, 6 Cell Battery, Windows 7 Beta Build 7000.

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Acer :: 4810T + Windows 7 = 4 Hours Battery

Jul 20, 2009

I just purchased a 4810T laptop, formatted it, and loaded windows 7. Now on power saving Mode it says i only have 4 hours of battery left.. what happened to the selling point of 8 hours?

I'm thinking it might be because I don't have the empowering technology and power smart applications installed, but i can't install it anyway as it doesnt work on windows 7. So whats the problem here? my laptop, windows 7, or acer software?

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Acer Switch 10 :: Battery Icon Keeps Saying 100% Even After Several Hours Of Use?

Oct 8, 2014

My battery icon keeps on displaying that my battery is not depleting, which is weird since I've been using my laptop for several hours now and it is still at 100%. When I plug in, it registers that it is plugged in but says fully charged. Not sure if this is a magical always - full battery - or a problem?

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Apple :: MBP 17 Unibody Battery - Run In Power Saving Mode I Can Just Get 6 Hours

Mar 2, 2009

This laptop is advertised as having 8 hours battery life, but even when i turn my screen brightness right down and run in power saving mode i can just get 6 hours, is this normal or is there a fault with my laptop?

17"
2.93 ghz c2d
Intel X25 ssd

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Lenovo P/Y/Z Series :: IdeaPad Z710 Battery Only Lasting For 1.5 Hours With Balanced Use

May 17, 2014

I've just purhased the above for my son who is in hospital having chemo at present. Very disappointed with the battery that is only lasting for approx 1.5 hours. I have it set to a balanced use and so far the laptop has only been used for surfing, etc.

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Dell :: Battery Life On XPS 16

Feb 9, 2010

I am looking for real world feedback for the 6 cell battery on the XPS 16. This would be mainly word processing and Internet surfing, with the screen at about 1/2 brightness

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Dell :: S15 Battery Life

Oct 6, 2008

check this out. 6 cell.

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Dell :: XPS Keyboard And Battery Life

May 23, 2009

I have Dell XPS 1530 and I have 2 problems,

1 Keyboard. When I type cursor seems to jump around a lot. I would be typing and suddenly the cursor is in the middle of the previous sentence and its a mess. Is that something common, is that me or is that something I need to call Dell?

2 Battery life is extremely short. I hear of such thing as deactivating your video card ( I have GeForce 8600 GT) and that supposedly helps you with the battery life. Does this laptop offer such opportunity?

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Dell :: Studio XPS 13 Battery Life

Apr 16, 2009

Why is the Studio XPS 13 so terrible on battery life? ~2.5 hours on power saving mode, 1 on high-performance. I believe the Sony Z rates around 3-5 hours on power saving, as does the Latitude 6400. Is it normal to have this low of a battery life for a 13.3"?

What is draining all the power? How does the Z pull 4-5 hours on its battery life?

I don't want to shell out for a 9-cell and also have to deal with the added weight... but this is ridiculous.

Also, are there any new deals for the 9-cell batteries?

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Dell :: Optimizing I7 Battery Life

Nov 30, 2009

Here a bit of summary of how to enable some advance power plan settings, the highlights are disabling the core parking override and max % of unparked cores.

-Windows by defaults keeps at least one logical core active per physical processor core. With the nehalem architecture parked cores consume almost no power.
-Also keep in mind if you set max unparked cores to 50% it may still activate all cores because 50% of 8 hyperthreaded cores is 4.
-You can use resource monitor to see if cores are parking
-once you've done the registry tweaks below you should have some extra options in your advanced power plan settings
-Setting you power plan back to defaults nulls you the changes to it is harmless and reversable if you are careful
-If you are not comfortable making registry changes don't do this as you can really screw your computer up, if you mess up the wrong things in your registry

Open Regedit (type regedit into the startmenu search box)

Expand location to:
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlPowerPowerSettings54533251-82be-4824-96c1-47b60b740d00

In order to enable some advanced power plan settings you will have to rename the REG_DWORD "Attributes" to "_Attributes". This one it own does not change how your computer runs, it simply adds an extra option into your advanced settings for each power plan

Here are the relevant registry keys:
0cc5b647-c1df-4637-891a-dec35c318583
lets you set the minimum number of unparked cores (I set this to 25% for power saver)

3b04d4fd-1cc7-4f23-ab1c-d1337819c4bb
turns on additional processor throttle states, caution this throttled my laptop to the point that it was almost unusable you can change the attribute to _attribute but leave the power plan setting disabled.

447235c7-6a8d-4cc0-8e24-9eaf70b96e2b
Sets the processor power state when parked, I think the default is ok

5d76a2ca-e8c0-402f-a133-2158492d58ad
Option to Disable processor idle states, not really relevant on a laptop

a55612aa-f624-42c6-a443-7397d064c04f
Processor core parking override, this one is key, it you don't disable this in your power plan settings you will only park "virtual" cores

ea062031-0e34-4ff1-9b6d-eb1059334028
Maximum number of unparked cores, this is useful to put your computer into "dual core mode" in power saver if you set this to 25% or 50%

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Dell :: S-xps 1645 Battery Life

May 2, 2010

my S-XPS 1645 battery lasts only 1.5 hrs..

is this same with you guys as well or is this just in my case....

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Dell :: Battery Charger Life

Nov 22, 2008

My battery charger doesn't charge and the blue light isn't turning on.

Is it safe to assume that it is dead?

Are there any tests I can do to verify if that's the case?

I've had it for a year and 3 months, is that the typical life of a battery charger?

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Dell :: Battery Life On E6400

Aug 7, 2009

I have a e6400 with SSD, a P series processor, LED screen and 9 cell battery. On the balanced mode, it is at 94% and 2h32m left. That sounds REALLY low to me. I have WiFi on, brightness up, etc. but still sounds extremely low.

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Dell :: Save Battery Life

Dec 31, 2008

i like having my m1530 on my lap (unplugged) in the living room while i watch tv/babysit so far i can only make it last 2 hours at the most(surfing the web,messengers) with the brightness 30% and powersaver mode.

well i was reading on the thread on how to underclock your cpu...theres a problem with that:

-numero first im too lazy (hurts my head when i try to understand the thread,hence the "[ADVANCE]" on the title ^^")

-numero dos having a t5450 on power saver mode (50% max perfomance) is slow enough... so i tried to look for a better solution and found this...

[url]

i think its great...my battery up to 2 hours and 20-ish minutes.

i think vista users should give it a try

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Dell :: XPS 1330, Win 7, Battery Life

Sep 12, 2009

Anyone running Win 7 RTM and noticing lower battery life? My 6 cell can barely push 2 hours, though its missing about 30% of its capacity due to wear. Its about 18 months old with a lot of charge and discharging. I do like Win 7, the laptop is running very snappy with it.

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Dell :: How To Prolong Battery Life (when A/c Is Available)

Oct 21, 2009

I have a Latitude E6400 having Windows 7.how to prolong my battery life when I am at my home;

should I keep

1) Laptop connected to A/c supply even after its fully charged (with battery)

2) Remove the battery once it's fully charged and keep the laptop on A/c

3) Remove the A/c once the battery is fully charged and charge it next time
when its about 10%

My work at home comprises of net surfing and gaming.

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Dell :: 1530 Battery Life

Oct 8, 2008

Ive always gotten, well, not so much battery life out of my machine. However, today Ive realized it might be a problem with it, rather than how it is meant to work. Today I put a DVD (AC/DC live!), plugged an hdmi cable into my tv, and it died half way the 2 hour concert. All my laptop was doing was working as a dvd, so, I figure something must be wrong.

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Dell :: Vostro V13 / Battery Life

Mar 4, 2010

I'm looking for a new laptop for school/work, and so far I think the Vostro V13 seems good. What do you think?

[url]

Anyway, my only concern is that it only has four hours of battery life. However, it does come with a 7200 RPM hard drive, which seems like that would eat a lot of battery life compared to a 5400 RPM hard drive or an SSD. Well, I have an extra 80 GB SSD in my old laptop, so my questions are...

How much (if any) battery life do you think I would gain by replacing the 7200 RPM hard drive with the SSD?

Also... Would you recommend the Vostro V13, or is there another laptop that you would recommend for school?

My XPS M1530 is a beast, but it's starting to get worn out and it just isn't convenient enough to bring to classes all day. Netbooks are too small for my hands (and eyes!). I really do prefer big screens, but I suppose I must compromise for the sake of mobility/convenience, so hopefully I'll be able to get used to the 13.3" screen.

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Dell XPS 15 :: How To Improve Battery Life

Jan 23, 2015

I have a brand new XPS-15. When I use it on battery power, the battery only lasts for about 2 hours. I could check to improve battery life.  I've disabled some start-up programs....

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Dell :: M1730 Battery Life This Horrible Always?

Nov 22, 2008

took a little over a hour on balanced power to drain to below 10% and just downloading , 50% display

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Dell :: Vostro A860 Battery Life?

Apr 5, 2009

New Dell Vostro A860, I love it....BUT...after full charge, I only get 1 hr of battery life?

Is that normal? I've heard the battery time on these was good - but only active for 1 hr without a charge seems silly

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Dell :: M1530 Poor Battery Life

Mar 8, 2010

My m1530 battery life is very poor, im only getting around 40mins unplugged, Im not running power-sucking tasks either,

i just use internet and msn messenger when im unplugged. I switched to the power-saving plan and its not really making any difference.

Its so annoying now does anyone know what could potentially be the problem?

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