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5680 @ A Lecture

post #1 of 43
9/23/03 at 11:39pm
Thread Starter 
To avoid hand cramps due to a long lecture today, I decided to take my 5680 along.

Here is the set-up (+ see specs in my sig):

- Dual batteries, cycled about twice since I got the lappy on the 12th.
- No peripherals whatsoever (my G WiFi is a PCMCIA card).

- Cold booted on batteries at the beginning of the lecture, shut down at the end, and cold booted on batteries once at home.

- First 15 minutes: Screen at brightest; After that, dimmest.
- After a little while, I set the lappy to turn the screen off after 1 minute of inactivity.

Use:

- MS Word

Length of lecture:

- 2 hours 50 minutes, with a 10 minute break (Standby during that time).

Results:

- 18% Battery Level when I turned the computer back on at home.

I am very satisfied. I didnt think it would last me through the lecture. Come to think of it, I would have been able to pull another half-hour worth of juice.

Comments?

Mikhail
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post #2 of 43
9/24/03 at 12:19am
Thats very reasonable given the amount of power available and the size of the screen.

I think *I* wouldn't last that long in a lecture, dunno about everyone else here!
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post #3 of 43
9/24/03 at 12:27am
My lectures are 3.5 hrs with a 15mins break, that's why I'm going with the 3750. Some days it is really hard after a long day at work -- me, not the lappy.
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post #4 of 43
9/24/03 at 12:29am
That is definately sweet! Keep using those batteries and they'll give you good life. Its when you become tethered to the wall outlet all the time that battery lives depreciate.

-myrkat
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post #5 of 43
9/24/03 at 12:36am
Thread Starter 
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post #6 of 43
9/24/03 at 2:13am
I was worreid that people were saying they got two batteries so they could last through lectures. (I only got one battery)

But now I know why, my lectures are only one hour. (Sometime one and a half)
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post #7 of 43
9/24/03 at 2:21am
Why battery at all??

Our lecture halls have power supplies and LAN ports everywhere...I chat with friends through the boring lectures and camp on the forums during the interesting lectures...

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post #8 of 43
9/24/03 at 2:47am


Sweet how you can pull 3+ hours till the battery dies!!
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post #9 of 43
9/24/03 at 4:34am
Pish! I had 6 hour lectures in college.


Nice that you got your machine to make it through the whole class though.
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post #10 of 43
9/24/03 at 9:31am
Thread Starter 
Yeah, again, I was very satisfied. I was just doing Word, but thats the only thing I needed
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post #11 of 43
9/24/03 at 9:32am
Thread Starter 
Quote:
Originally posted by mmarkin
Yeah, again, I was very satisfied. I was just doing Word, but thats the only thing I needed
P.S. I could probably save even more power by sparing CPU usage with Notepad, LMAO.
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post #12 of 43
9/24/03 at 12:03pm
Quote:
Originally posted by Mschooling
Pish! I had 6 hour lectures in college.


Nice that you got your machine to make it through the whole class though.
WHY, WHEN I WAS YER AGE... I had 4 12-hour lectures a day! UPHILL! BOTH WAYS!! IN THE SNOW!!!

-myrkat
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post #13 of 43
9/24/03 at 12:34pm

errrrr

When do I get hour+ lectures? I am a freshman and these 50 minute classes are weak!
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post #14 of 43
9/24/03 at 12:37pm
Thread Starter 

Re: errrrr

Quote:
Originally posted by stevo9er
When do I get hour+ lectures? I am a freshman and these 50 minute classes are weak!
I am a freshman too and I have 50 minute lectures, and 1-2 hour labs/tutorials. However, I did a challenge for credit for the introduction to computing course (engineering) and thus had to take something else; that something else ended up being anthropology, which is a 2:50 lecture once a week.
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post #15 of 43
9/24/03 at 12:51pm
Don't mean to hijack the thread or change the topic or anything, but do charged batteries lose their charge if the laptop is not turned on for any length of time? Also, when conditioning the battery, do you actually turn the laptop on when <edit>you're<edit> charging or no? I know you have to turn it on to drain it, right?

Rice

I committed a mortal sin -- I actually used your instead of you're -- I should kill myself!!!
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post #16 of 43
9/24/03 at 2:42pm
Thread Starter 
Quote:
Originally posted by Rice60640
Don't mean to hijack the thread or change the topic or anything, but do charged batteries lose their charge if the laptop is not turned on for any length of time? Also, when conditioning the battery, do you actually turn the laptop on when your charging or no? I know you have to turn it on to drain it, right?

Rice
As far as I know, the charging process when the machine is on is simply much slower than when the machine is off.

I dont have the specific facts about the Li-ION batteries, though. Each type of battery has specific properties and care guidelines. Can anyone post the info?
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post #17 of 43
9/26/03 at 1:40am
I just ordered a 5680 yesterday, with 2 batteries, and I also would love to know the proper treatment of them, so they don't deteriorate. I know you have to drain them periodically ... but I'm sure there are specifics? Anyone?
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post #18 of 43
9/26/03 at 3:13am

good

well.. its good to know that the 5680 i just bought for school will be good for using in school once and a while, when i'm not using it for Visual Jockey or synth stuff
of course. How long do you think dual batteries would last in a situation where the CPU was getting near 100% usage without interruption...running an app like VJo as i mentioned earlier?
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post #19 of 43
9/26/03 at 8:38am
Quote:
Originally posted by mmarkin
I dont have the specific facts about the Li-ION batteries, though. Each type of battery has specific properties and care guidelines. Can anyone post the info?
Li-ION batteries should not be conditioned or cycled prior to use - as opposed to NI-CAD which were supposed to be fully discharged and then charged a few times.

Li-ION batteries should be treated just the opposite!! They should be fully charged before their 1st use.
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post #20 of 43
9/26/03 at 9:20am

Re: errrrr

Quote:
Originally posted by stevo9er
When do I get hour+ lectures? I am a freshman and these 50 minute classes are weak!
Really depends on what classes and times you choose to add to your schedule. My freshmen fall semester I had Calc I three days a week for 1hr 20 min, the rest of my classes (4 of 'em) were once a week, 3hr lectures.
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