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why is the cold weather draining my battery?

post #1 of 21
1/11/04 at 6:06pm
Thread Starter 
i've had my laptap in the car quite a bit the past few days. the temps have also hovered between 28 and 32 degrees. i thought it was a fluke the first time it happened, but it is now apparent that the cold weather completely drains a fully charged battery in short order. what's the deal with this?
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post #2 of 21
1/11/04 at 6:21pm
does it just not last long when your using your comp? or do you turn your comp off and the battery is dead when you try to turn it on?
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post #3 of 21
1/11/04 at 7:48pm
Maybe it's like a car battery in that sense. I know car batteries lose starting power when in the cold...
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post #4 of 21
1/11/04 at 7:50pm
I think this is common with all batteries. I know that batteries used in flashlights die quickly during winter.
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post #5 of 21
1/11/04 at 10:11pm
This is a basic property of batteries. I assume its worse for these batteries as they are not intended for use in real cold, just the cold atmosphere of the laboratory.

My god, its ... its ALIVE!!! ALIVE I TELL YOU!! ALIVE!!! ALIVE! Alive! Alivo, and his name was alivo.
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post #6 of 21
1/11/04 at 10:18pm
toronto here, it was -26 degrees 2 nights ago , laptop wouldn't turn on on battery
had ot plug in
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post #7 of 21
1/11/04 at 10:50pm
I think it has to do with the organic principles of the LiOn batteries. When I was in the service (years ago) and thr LiON technology was the "newest and best upcomming technology), the batteries cam with a cold weather warning. Let it warm up and much of the capacity will magically re-appear.
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post #8 of 21
1/12/04 at 12:40am
Thread Starter 
..and on top of all that, i receive the "Low Battery Alarm" even when the battery is fully charged. in the bios i have disabled the "Beep On Low Battery" option, and in windows power management i've disabled all low power alarms. but it still beeps and flashes the battery led. thankfully though, the beep only lasts for around 60 seconds, and i ignore the blinking led. even though this may seem bearable, methinks it should not happen, at all. the mobo, power supply and lcd have all been replaced by sager. am i the only one that experiences these oddities?
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post #9 of 21
1/12/04 at 2:24am
Batteries are a chemical process . Some chemical processes do not work in extreme cold. This is why your batteries are hosed. Try warming them up under your armpits (yes I am serious) That is sometimes enough to kickstart the chems again
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post #10 of 21
1/12/04 at 3:36am
Li-Ion batteries will retain their charge if they're subjected to temperatures between 40-80 degrees Fahrenheit provided you allow them to warm up before use. If they're frozen they'll loose their charge. (If they're heated you shorten their life substantially.)

I just happened to post a lot more information on Li-Ion batteries to my blog earlier today.
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post #11 of 21
1/12/04 at 11:31am
Thread Starter 
thanks for the info.
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post #12 of 21
1/12/04 at 5:36pm
same thing with cameras. Photographers will often use an external battery pack that they wear inside their clothes to keep the batteries warm and functioning.
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post #13 of 21
1/12/04 at 5:59pm
Thanks for the info usrbingeek (love the handle btw).

As to cold weather, you stand outside for several hours in the freezing cold and see how well you work .
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post #14 of 21
1/13/04 at 12:06pm
Quote:
Originally Posted by G-Omaha
I think it has to do with the organic principles of the LiOn batteries.
Organic principles! Thats funny.
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post #15 of 21
1/13/04 at 3:52pm
When I'm using my SLR film camera in the cold (ski photos), and I need good performance (high frame rate), in order to get 'the juice flowing', I need to rubber band hand warmers to the battery tray.

Haven’t you ever done the trick of when your AA batteries stop working, like for your CD player, take em out, put em in your armpit for a min or two and you get another 10min of listening time??

Batteries work better when warm--- and since we have Sagers, we should be getting optimum juice from the battery because these things are hot mofos
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post #16 of 21
1/13/04 at 9:19pm
Remind me to never ask you if I can borrow your batteries - eeeeuuuuuuuuuwww
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post #17 of 21
1/13/04 at 9:35pm
Quote:
Originally Posted by aussie
Remind me to never ask you if I can borrow your batteries - eeeeuuuuuuuuuwww
I agree because the "warming location" may not be limited to the "pits".
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post #18 of 21
1/13/04 at 9:38pm
Thread Starter 
my mom places all her packaged batteries in the fridge, and i've always assumed that this was just part of her psychotic tendencies....does the cold really maintain them?
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post #19 of 21
1/13/04 at 9:44pm
Quote:
Originally Posted by gr8gatzby
my mom places all her packaged batteries in the fridge, and i've always assumed that this was just part of her psychotic tendencies....does the cold really maintain them?
Are these conventional batteries? If so, she may have the same wisdom that was used by the U.S. Army about 20+++ years ago. Excessive heat did cause premature failure of bateries at that time -- don't know about the batteries that are created and used today??
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post #20 of 21
1/13/04 at 9:46pm
Thread Starter 
these are indeed conventional batteries...
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