post #1 of Old 09-27-2013, 12:04 AM Thread Starter
Maverickxeo
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Whats the difference between these types of AGM batteries?

Ultra flat plate agm or Spiral grid agm?

Is one better than the other?

The reason I ask is because Canadian Tire has the two types listed; and both are the same price for a Group 34; but the Spiral Grid AGM has poor(er) ratings over the Flat Plate AGM. Both are the same brand (Motomaster) but I dont know much about the type of batteries.

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post #2 of Old 09-27-2013, 04:48 AM
Holder350
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Flat plate agm has more area to use.

Look at a spiral cell battery, lots of empty space around the cells.

I would go with the flat plate if its no higher.

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post #3 of Old 09-27-2013, 08:37 AM
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What Holder350 said. If you search there are actually graphic represenations showing how more efficient use of space. I think Jerry B posts it in battery threads occassionaly.

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post #4 of Old 09-27-2013, 04:52 PM
Gearhead31
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Quote:
Originally Posted by Holder350 View Post
Flat plate agm has more area to use.

Look at a spiral cell battery, lots of empty space around the cells.

I would go with the flat plate if its no higher.
Ditto. I have an altima yellowtop(should have gone bluetop, but what can I do now). If i had done more research into the different types of AGMs, I'd have looked towards flat plate. They seem to have a little better storage capacity, and slightly better lifespan under typical use for their size/weight. Other than that, there really isn't too much difference AFAIK.
Most people I know recommend altima bluetops as a minimum, especially if winches and such are used but the flat plates typically go for more cost than the benefits warrant, here.
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