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Old 10-12-2004, 06:51 AM   #1
driver
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Default Will the stock battery work during the freezing cold winter?

Hi. I recently picked up a 2005 Impreza 2.5RS. I was wondering if the stock battery would get me through the winter with no problem or should I just go ahead and get a better battery now.

Mainly I'm concerned with the stock battery's ability to start the car during freezing weather.

Thanks.
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Old 10-12-2004, 08:00 AM   #2
Mulder
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I haven't seen an 05 RS so I don't know if it still comes with the same battery as previous years. I do know the 05 STi (and maybe the WRX?) has a larger/higher capacity battery.
If your RS has the same 325CCA battery as earlier ones, it should work somewhat acceptably while new although you can expect noticeably slower cranking in sub-freezing temperatures. Keep the cells topped off with water (if it still has caps) and avoid running it down by using accessories when the car is not running. If it's a larger battery you shouldn't have to worry about it.
You certainly have the option of replacing it with something better, many of us have. After one winter with the factory battery I replaced it with an Optima, even though it was still functional.
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Old 10-12-2004, 10:45 AM   #3
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This will be my third winter with my OE battery and I've never had a problem. If you're planning driving to Alaska this winter you may want to consider an upgraded battery, but for the lower 48 you shouldn't have any problems. A battery should last at least 5 years before it starts to loose it efficency.
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Old 10-12-2004, 10:53 AM   #4
Mulder
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Perhaps the OE batteries you get up there in Canada are bigger than the ones we get down here. The 325CCA battery does not do very well once it gets cold, and there have been lots of posts reporting dead batteries in cars that weren't that old.
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Old 10-12-2004, 10:55 AM   #5
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The stock batteries have been a joke. If new, it should get ya through this winter ok....but next fall, I'd ****can it and get a new one....
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Old 10-12-2004, 12:58 PM   #6
Extraze
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my car has seen some -50F temps last year and the battery held up good. it felt a bit sluggish, but worked fine

it does a good job
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Old 10-12-2004, 01:02 PM   #7
Mulder
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So what type/size battery do you get with the car up there in Canada? I find it hard to believe that it's the same one we get, ours has trouble cranking below freezing and I can't imagine it being of any use at -50.
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Old 10-12-2004, 01:15 PM   #8
Benjamin Tang
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my stock battery will not crank over my wrx if it's close to subzero temperatures. i was denied warranty after going to the dealer because they blamed my underdrive pulley for not charging the battery. i took it to an independent mechanic and they did the a battery test and discovered a faulty cell, which could not have been caused by the pulley. i went back with the diagnostic printout sheet and they still denied me
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Old 10-12-2004, 06:24 PM   #9
Extraze
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Quote:
Originally Posted by Mulder
So what type/size battery do you get with the car up there in Canada? I find it hard to believe that it's the same one we get, ours has trouble cranking below freezing and I can't imagine it being of any use at -50.
dont get me wrong, it has trouble cranking, but it cranks, and it starts the car
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Old 10-15-2004, 03:59 PM   #10
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lol. You guys in Canada don't seem to understand. I have an 02' WRX. Last winter the car was just over two years old, and i had to jump start my car on 10+ occasions in -0 temperatures here in Wisconsin. The only reason I didn't replace it was because I had a jumper pack so it wasn't a pain when it would happen. I'll tell you how I came across this thread though, I was searching for Optima's because I'm not going through all that again.
The canadian batteries must be different.

Driver: If I was you, I would consider getting a new one if its not too hard on the budget. Take a look at it. If it's not over 500-600 CCA (cold cranking amps) you might want to get a better one if you're going to see repetitive sub zero days.
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Old 10-15-2004, 05:19 PM   #11
brunetmj
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I can say the battery warmer sold by Subaru as an accessory works quite well. Of course the car has to be parked near an electrical outlet.
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Old 10-16-2004, 09:21 AM   #12
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Quote:
Originally Posted by relirex
lol. You guys in Canada don't seem to understand. I have an 02' WRX. Last winter the car was just over two years old, and i had to jump start my car on 10+ occasions in -0 temperatures here in Wisconsin. The only reason I didn't replace it was because I had a jumper pack so it wasn't a pain when it would happen. I'll tell you how I came across this thread though, I was searching for Optima's because I'm not going through all that again.
The canadian batteries must be different.

Driver: If I was you, I would consider getting a new one if its not too hard on the budget. Take a look at it. If it's not over 500-600 CCA (cold cranking amps) you might want to get a better one if you're going to see repetitive sub zero days.
From the pictures i saw, the batteries look the same, you simply cannot compare two car batteries, there are too many differences ...

- Car sound System
- how many times have you drained your battery and had to charge it
- how old the battery is

i've owned 2 subaru's and i never had to jump-start the car in all the winters they have seen... they cranked slowly, but always started the car.

and like mulder said, always make sure everything is off when you try to start the car in cold temperatures (headlights, soundsytem, brake lights, dome lights, etc) and a trick i found that makes it crank faster is that i leave it in the "START" position for a couple of seconds, (until that little whining sound turns off)
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Old 10-17-2004, 01:19 PM   #13
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My car sits outside in the Ohio winters. There were days when I thought that I would need a jump start, especially during the low-teen days. The stock battery was crap on my stock system. I dropped it and got an Optima Red Top and haven't had any problems since then.
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Old 10-17-2004, 03:03 PM   #14
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I was looking to get an Optima Red Top as well, but Im not sure whether to go with the 35 or 34R. Anyone know which will be best for my car?
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Old 10-17-2004, 03:19 PM   #15
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I got the 35. Make sure you get one with reversed posts.
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Old 10-17-2004, 05:33 PM   #16
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ok, thanks
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Old 12-21-2004, 02:29 AM   #17
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Quote:
Originally Posted by Mulder
Perhaps the OE batteries you get up there in Canada are bigger than the ones we get down here. The 325CCA battery does not do very well once it gets cold, and there have been lots of posts reporting dead batteries in cars that weren't that old.

Yup, 2001 RS battery went to crap this weekend...
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Old 12-21-2004, 02:36 AM   #18
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Quote:
Originally Posted by Extraze
leave it in the "START" position for a couple of seconds, (until that little whining sound turns off)
Yea... it's good practice to let hte fuel pump prime.
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Old 12-21-2004, 09:24 AM   #19
DaveTaylor
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I just went out and looked at the battery in my new RS and could not see any indication on it of the CCA. If it is only 325 as Mulder says the U.S. cars get, then it will not be super when it gets cold say below 10 F.

At 0 F, a battery will have only 40% of its rated cranking power (measured at 80 F), but, the power to crank the engine is 210% greater. At 32 F the corresponding numbers are 65% and 155%. The best bet for reliable winter starting if you live where it gets down below 15 F on a regular basis is battery warmer and synthetic oil. The warmer will increase the cranking power of the battery and the synthetic oil will reduce the cranking power required to turn the engine.

Now...EXTRAZE said his car saw -50 F last year and I just want to assure people that may think Ottawa is in the Arctic somewhere that it has never got that cold here . It was only -31 C (that would be about -21 in the old Fahrenheit scale) yesterday, and the local paper was quick to point out that it was not a record low for Dec 20, that was -34 C. BTW, my car started quickly without battery warmer or synthetic oil.
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