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 PostPost subject: Record battery life        Posted: Wed Apr 29, 2009 4:59 am 
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Is there any program that lets you record laptop battery life, rather than just sitting there w/ a stopwatch?


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 PostPost subject: Re: Record battery life        Posted: Wed Apr 29, 2009 11:04 am 
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there is a software called batterybar. Its a freeware. I don't know whether it is the one which you need or not. Anyway you can find it here

http://osirisdevelopment.com/BatteryBar/


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 PostPost subject: Re: Record battery life        Posted: Wed Apr 29, 2009 11:08 am 
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Hmm, that might be worth a shot, since I can't find nothing on the internet. Thanks for the link (:


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 PostPost subject: Re: Record battery life        Posted: Wed Apr 29, 2009 6:57 pm 
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lemme know what the results are like.

Knowing what my battery is like, your's is probably lasting at around... 1h10mins?

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 PostPost subject: Re: Record battery life        Posted: Thu Apr 30, 2009 10:12 am 
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Rioter wrote:
lemme know what the results are like.

Knowing what my battery is like, your's is probably lasting at around... 1h10mins?


~1hr20 on wifi - the program linked above says battery wear is 15.6% of 48,600mWh


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 PostPost subject: Re: Record battery life        Posted: Thu Apr 30, 2009 10:17 am 
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Thats quite pitiful for a battery of that size. What laptop is it and what CPU? Do you have all the windows updates installed? Also what power profile are you using?

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 PostPost subject: Re: Record battery life        Posted: Thu Apr 30, 2009 10:48 am 
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Happy Dude's laptop is the same as mine (before I upgraded some bits, i.e. new processor more ram etc), Acer Aspire 5315, Celeron 1.6ghz, 1GB RAM, crap battery like mine

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Full lifetime was recorded at 1h43


The batteries in Acer Aspire 5315 are rubbish. They originally lasted 2h10 when they came. Mine these days lasts 1h30, if I had the celeron it would probably be about 40 mins. The wear as well :/

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Your battery has more capacity than mine :/

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 PostPost subject: Re: Record battery life        Posted: Thu Apr 30, 2009 10:55 am 
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Give this app a go: http://cpu.rightmark.org/download/rmclock_235_bin.rar

It can reduce the clock speed and can throttle its 'P' states up and down along with core voltage, and can dramatically increase battery life. I doubled my Aspire 1350's battery life with it from 1hr 20 mins to 2hr 40 mins by forcing the clock speed to stay at the lowest (400MHz) when on battery. More than enough for MSN, browsing, music, etc.

Careful though, if you set too low a voltage on some 'P' states the machine will just lock up because the CPU is unstable. It'll take a bit of playing around to get it right. I should also note not all CPU's allow their 'P' states to be changed, so you have to pray yours is one that can to get any benefit from this app.

Other things you can do to increase battery life:

1. Don't run un-necessary background apps. E.G close down the crap by the clock, such as quick time, winamp tray, printer tray icons, any other crap there you really don't need.
2. Reduce your backlight to minimum, or if you have bright surroundings, low enough to still see it.
3. Disable hardware you don't use, E.G bluetooth, CD-ROM, Infrared, WiFi when not in use.
4. Set your power profile to Max Battery, and have the hard disk spin down after 3 minutes.
5. If you can invest in it, get an SSD hard drive rather than mechanical. They use a lot less power.

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 PostPost subject: Re: Record battery life        Posted: Thu Apr 30, 2009 11:49 am 
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FYI I'm running a Celeron 560 2.13Ghz, Rioter's running a C2D T5450 @ 1.6Ghz and we both have 2GB of ram

E: I'm running Vista Home Premium with all updates, no crap + balanced profile


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 PostPost subject: Re: Record battery life        Posted: Thu Apr 30, 2009 5:13 pm 
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Just my personal experiences. Not to say they are rubbish, but I'm just saying how effective those steps have been.
Andy wrote:
Other things you can do to increase battery life:

1. Don't run un-necessary background apps. E.G close down the crap by the clock, such as quick time, winamp tray, printer tray icons, any other crap there you really don't need.

Has negligable effect, literally nothing.
Andy wrote:
2. Reduce your backlight to minimum, or if you have bright surroundings, low enough to still see it.
Some effect, but only by about, 5 mins?
Andy wrote:
3. Disable hardware you don't use, E.G bluetooth, CD-ROM, Infrared, WiFi when not in use.
Virtuall no effect, especially the wifi. I checked this when I first got the laptop, same results
Andy wrote:
4. Set your power profile to Max Battery, and have the hard disk spin down after 3 minutes.
Have you ever noticed your HDD spinning down. I never have known it spin down
[/quote]


It would be interesting happydude to see what rmclock could do battery wise.

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 PostPost subject: Re: Record battery life        Posted: Fri May 01, 2009 1:09 am 
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My laptop has terrible battery life, only about half an hour. My laptop is from around 2001-2003 and the battery a max capacity of 6.5 mWh so it makes sense...

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 PostPost subject: Re: Record battery life        Posted: Fri May 22, 2009 5:41 pm 
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1h34 with wifi, on my dell d620, yeah its a old laptop but was good for longhorn :)


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 PostPost subject: Re: Record battery life        Posted: Tue May 26, 2009 5:51 pm 
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Aspire One with 9-cell + 3-cell = 11-13 hours 8)

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 PostPost subject: Re: Record battery life        Posted: Tue May 26, 2009 10:59 pm 
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The problem is that the Celeron processors don't have Speedstep, so they're at their full speed all the time.

If you have a Celeron M 520, those lack speedstep and Celerons have always lacked speedstep. That's what makes them absolutely wretched. I also don't think any program can adjust its speed, like what Andy suggested, but it is worth a shot.


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 PostPost subject: Re: Record battery life        Posted: Sun May 31, 2009 11:56 pm 
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Thlump wrote:
My laptop has terrible battery life, only about half an hour. My laptop is from around 2001-2003 and the battery a max capacity of 6.5 mWh so it makes sense...

Have you ever tried cycling that battery? Run the battery completely dry, and charge it completely, do it a couple of times, sometimes causes improvement. After that much time, you probably need a new one anyway.

I can recall a macbook pro battery dropping to 43 minutes while running Vista Beta 2 (the machine was only 5 months old), but the battery was very weak.

I'm wondering how much life I could get out of my EEE 1000 with RMClock now, with eeectl, I decreased CPU speed to 1Ghz, set backlight to 3%, and the power usage dropped to roughly 4.6 watts (with wifi and bluetooth off), it's usually around 9-12 Watts (measured with MobileMeter).

EEECTL was actually modifying the FSB of the processor, so I don't know if RMClock could accomplish what you want.

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 PostPost subject: Re: Record battery life        Posted: Mon Jun 01, 2009 2:05 am 
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No I haven't, because I don't take my laptop with me, it's always on AC power, I could remove the battery and leave it on AC power if I wanted but I don't think that's a good idea.

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