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Old 04-11-2018, 06:07 PM   #1
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Good deal on 12v 100ah battery?

So in my current motorhome I replaced the single house battery I had with one of these when it died (battery housing cracked and 1 whole cell drained & corroded). For the past year and a half it has preformed flawlessly

http://a.co/9lX5Iqz

New Class A looks to be fitted with 4x 6v batteries (Series/parallel). They were dead on the lot when we inspected it. Fully prepared to replace those soonish, going to get them load tested and whatnot first.

Instead of doing the 120ah 6v batteries for ~$120 ea would it be worth it to get 4 of the batteries I linked?

$660 for 400ah of 12v AGM batteries sounds pretty good.... Any reason to stick with the quad 6's?
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Old 04-11-2018, 06:44 PM   #2
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Shop around and buy the 6Vs for $80-$90 each and get 400 Ah for less than $400
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Old 04-11-2018, 07:49 PM   #3
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The 6 volt batteries are 205 AH or more, a piece. 4 batteries will give you 410 AH.

Most GC2 batteries have about a 1000 cycle life, if drawing them down to 50% state of charge.

The batteries your linking have about a 500 cycle life, if drawing down to 50% state of charge.

This means the 12 volt batteries will last about half as long as the GC2 6 volt golf car batteries.
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Old 04-11-2018, 08:03 PM   #4
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Here is the chart on the linked batteries.
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Old 04-11-2018, 08:10 PM   #5
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Here is a Trojan 6 volt battery cycle life chart.
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Old 04-11-2018, 08:34 PM   #6
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Quote:
Originally Posted by twinboat View Post
The 6 volt batteries are 205 AH or more, a piece. 4 batteries will give you 410 AH.

Most GC2 batteries have about a 1000 cycle life, if drawing them down to 50% state of charge.

The batteries your linking have about a 500 cycle life, if drawing down to 50% state of charge.

This means the 12 volt batteries will last about half as long as the GC2 6 volt golf car batteries.
Well are there AGM golf cart batteries that have that cycle life? The only ones I see recommended are ones with wet cells.
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Old 04-12-2018, 12:09 AM   #7
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Lifeline GPL-4CT
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Old 04-12-2018, 12:10 AM   #8
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https://www.vmaxtanks.com/V6-225-6Vo...ery-_p_48.html
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Old 04-12-2018, 12:19 AM   #9
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Trojan T105 AGM are also a name brand with comparative specs.
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