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Old 11-24-2010, 04:02 PM
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Mini Battery recommendations

I have been working on a project vehicle for years. I am approaching the time when I'll need to "put a fire in the hole", and I'll need a battery to do that. I was considering dual PC925 batteries from Odyssey. Then, I saw ads for Hot Rod Battery, Braille and XS Power. Now I see another competitior named Dynabatt. Needless to say, I am confused by all this.

Naturally, if I had lots of space, I'd be looking at standard batteries. I don't have lots of space.

Have any of you tried any of the mini-batteries mentioned (mostly AGM)? How would you rate the battery's performance? What brand, size, and quantity of battery did you buy?

The more I read the more I think my 383, 9.1 compression SBC would be OK with a single battery smaller than the PC925 pair I was considering. I'd like to save that second battery's location for something more interesting. Please share your experiences.

Thanks,

PatM

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Old 11-24-2010, 04:16 PM
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I used an Optima battery. It's 9 years old and still good but the car is not driven very often. Maybe once every two week during the mild weather. Never a problem starting even after not being started for an extended time when the gas has evaporated in the carb.
At the time I purchased it, it was the smallest battery I could find for the CCA rating.
Keep a battery minder (charger) on it all the time.

vicrod
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Old 11-24-2010, 04:41 PM
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I agree that Optimas seem to have pretty good power density, but I don't personnally think of them as mini-batteries. I am enquiring more about the smaller more compact batteries that seem to have surfaced over the last seven or so years. Hopefully someone with some personal experience will chime in about these. Thanks for your comments.

Pat
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Old 11-25-2010, 01:38 AM
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the shop I worked at, we had a very very low success rate with optima batteries.. we sent more back as defective then we ever got to work.
including the shop owners own car.
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Old 11-25-2010, 06:51 AM
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Quote:
Originally Posted by kc8oye
the shop I worked at, we had a very very low success rate with optima batteries.. we sent more back as defective then we ever got to work.
including the shop owners own car.
This is said more often then not about those beer can batteries .. A battery that sells on looks, everyone I know and that not a huge amount of folks all have the same gripe once they go dead they wont come back to life. Just to be fair I did have two gel cell NAPAs and the something, once dead they are toast.. went back to acid type..

Just to add some information, I have a friend with a 350 FI that uses this battery http://www.summitracing.com/parts/XSP-S975/?rtype=10

He is not a big driver of his car, feels he need to be going someplace to take the car out, the point being it sets more then it runs. He has had this battery for two years without any problems , it is about the size of a motorcycle battery, they are also sold under other brand names .FYI
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Old 11-25-2010, 10:33 AM
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Thanks Pepi. I really didn't want this thread to be a review of Optimas. We've heard pretty much the mix of good and bad about them. I was hoping to get comments like yours focused on the smaller types of batteries I referred to in the OP. So, the vote is now 1 to nothing in favor. Perhaps I should have done a poll, eh?

Thanks again,

Pat
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