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Old 07-30-2017, 08:45 AM   #1
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Scooter batteries to replace house

I'm doing research on increasing the battery life for my RV, which currently has 4 - 6v deep wet batteries. I love the idea of Lithium, but obviously not the price. So here's my idea....wondering if anyone has experience or if I need to be the first.

It appears that the larger batteries to drop in and replace are crazy expensive. A part of this is the limited demand and the market. These are just batteries with a higher capacity in a single case, but you can get the same AH from several scooter batteries at a far less cost. These batteries are very common, can find most everywhere, cost around $30 and could match a large single battery with about 6 of them (under $200 for 100AH).

I really love the ability to easily connect and disconnect batteries, replace or upgrade with the slip connectors on scooter batteries. If I bundle a group of batteries and crimp to a large battery cable and then group large battery cables, I shouldn't be trying to draw anymore from a single batter wire than it is capable of carrying.

So, has anyone replaced their house batteries with scooter batteries? How did it go?
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Old 07-30-2017, 08:59 AM   #2
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I would not go there. Check the chemistry on Scooter batteries. If they are gel cells you are asking for problems.

Flooded are usually the cheapest. Moving in the distribution chain gets you the best price. That's why you see a lot of talk about Sam's Club or Costco. They buy from the manufacturer by the truck load.
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Old 07-30-2017, 09:17 AM   #3
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I am into scooters and motorcycles and I am wondering what you are calling scooter battery's?
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Old 07-30-2017, 09:20 AM   #4
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Lithium batteries are a different chemistry = different voltage = different charging requirements. The change to Lithium will require a change to your charging system, including severing the tie to the chassis charging crossover.
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Old 07-30-2017, 10:12 PM   #5
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My 12 volt scooter batteries are gel cells, but only 35 amp hour. You would probably need a couple dozen of them to replace 4 6volt batteries. Golf cart batteries at Sams club are cheaper than my scooter batteries.
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Old 07-31-2017, 06:42 AM   #6
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IIRC GC2 batteries are around 225 AH each and a lot less than $200 / each.
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Old 07-31-2017, 11:01 AM   #7
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You want to go from 400 AH to 100 AH? For $200 you can purchase 2 6volt at Costco and have 200+ ah and no wiring cost. Or one of the newer 12 volt true deep cycle with 100 plus AH and at less cost and no new wiring. Most need more AH not less, don't see any gain in your scenario just work and cost.

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