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Old 01-04-2014, 12:18   #1
Syclone0538
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Batteries in car bag in cold weather?

I have some unopened AA and AAA, regular duracell, that I leave in the car. How, and how much does cold weather affect them? If I they are warm when I use them are they as good as new after a bunch of cold/warm cycles?

Should I switch them out for lithium batteries?



I won't be leaving eneloops in the car, but how do they do with cold weather?
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Old 01-04-2014, 13:18   #2
LongGun1
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Quote:
Originally Posted by Syclone0538 View Post
I have some unopened AA and AAA, regular duracell, that I leave in the car. How, and how much does cold weather affect them? If I they are warm when I use them are they as good as new after a bunch of cold/warm cycles?

Should I switch them out for lithium batteries?



I won't be leaving eneloops in the car, but how do they do with cold weather?

Depends what you mean by cold weather.

IIRC...newer Eneloops are rated to -4...

..but lithium primaries are good to around -40.


BTW....I do not keep alkalines in my BOB or GBH gear..

..mostly lithium AA & SF-123A mainly for their long shelf life..

..and also due to cold weather performance, higher energy density & lighter weight.


As far as extreme cold...there are workarounds...

..such as keeping warm or warming less capable batteries before use..

..and if in a flashlight...the internal heat generated & partially insulated by a gloved hand is more than the temperature loss due to extreme cold combined with wind.


YMMV
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Last edited by LongGun1; 01-04-2014 at 13:22..
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Old 01-04-2014, 14:53   #3
Syclone0538
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Sounds like lithium is the way to go.

For temp, it's supposed to get to -20 or so in the next few days. It hasn't been that cold here for several years. With steep slope windshield and back glass, and t tops, my car is a greenhouse that can be 20* warmer if the sun is shining.

And yeah I don't see a problem with putting the batteries in a pocket for a little while before use to warm them up some.

As for use, flashlights and GMRS radios.
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Old 01-04-2014, 15:37   #4
quake
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I carry a good number of lithium & alkaline batteries in my truck, and have never had a real problem, but this being Arkansas and them being in the insulated cab as they are, it's not really a worst-case test either. That minus twenty stuff is ridiculous; I never lived anywhere colder than wisconsin, and frankly couldn't take even that anymore.
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Old 01-04-2014, 17:04   #5
Syclone0538
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I carry a good number of lithium & alkaline batteries in my truck, and have never had a real problem, but this being Arkansas and them being in the insulated cab as they are, it's not really a worst-case test either. That minus twenty stuff is ridiculous; I never lived anywhere colder than wisconsin, and frankly couldn't take even that anymore.
I'm in Ohio, -20 is like a once a decade thing... it just happens to be the next couple days. It has just made me think about S&P a little more.

I read this forum a decent amount, but don't actually do nearly enough.
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Old 01-04-2014, 18:01   #6
happie2shoot
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Originally Posted by Syclone0538 View Post
I'm in Ohio, -20 is like a once a decade thing... it just happens to be the next couple days. It has just made me think about S&P a little more.

I read this forum a decent amount, but don't actually do nearly enough.
I know this is not the best place for this but it's weather
http://www.wrh.noaa.gov/mesowest/gmap.php?map=boi
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Old 01-04-2014, 20:05   #7
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Below zero temps here. I keep a handheld, flashlights, and batteries in the truck. Never had any problems. As the temp warms up in the truck, so do the batteries.
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