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Old 07-31-2016, 01:13 AM   #1
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Brand: Thor Motor Coach
Model: Vegas
State: Pennsylvania
Posts: 19
THOR #1755
Extra 6v Batteries

Has anyone added another 6v Battery to their Thor Vegas, to get extra off grid 110v power. Thanks Kamm

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Old 07-31-2016, 01:22 AM   #2
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Brand: Thor Motor Coach
Model: Axis 24.4
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THOR #1150
Adding an extra battery to get extra 110V power implies you have an inverter. Did you install one as Axis/Vegas units doesn't come with one.

(Our Axis only came with a single 12V house battery.)
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Old 07-31-2016, 02:43 AM   #3
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Brand: Still Looking
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Originally Posted by Kamm View Post
Has anyone added another 6v Battery to their Thor Vegas, to get extra off grid 110v power. Thanks Kamm
Unless I'm misreading your question, 6-Volt batteries have to be added in pairs to get 12-Volts. I'm not sure under what conditions you would add one extra 6-Volt battery.

If your Vega has one 12-Volt battery, it should be easy to replace it with two 6-Volt batteries. If you do a forum search, you'll find owners who have done such upgrades.
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Old 07-31-2016, 11:58 AM   #4
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Ours came with the optional 2nd 12 volt house battery. From the measurements I have made it looks like 4 of the Trojan grp 24 105 Ah 12 volt deep cycle batteries will fit with modification to the battery box.
that would give you a total of 420 Ah with 210 Ah being usable if you don't go below 50% state of charge SOC.
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Old 07-31-2016, 12:03 PM   #5
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Battery upgrades are very common. The best upgrade for you depends on what battery(s) you now have and what space you have to add new battery(s).

You can't add one 6v battery. Your battery system is 12 volt, either a single 12v battery or multiple 6 and or 12v batteries.

If you have a single 12v battery you can add another (or several) 12v battery in parallel with it. Parallel batteries work best if they are identical. If you add a new battery to an old battery the new battery will discharge into the old. The same is true if you add a larger or smaller 12v battery.

You can also replace your single 12v battery with 2 6v batteries in series. This is perhaps the most common battery replacement. If you decide on this, make sure you have enough room. The 6v batteries, golf cart batteries, are taller than the 12v batteries.

If you have two 6v batteries in series, you can add 2 more 6v batteries in series, in parallel to the 2 batteries you have.

Lots of options.
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Old 07-31-2016, 02:21 PM   #6
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Brand: Thor Motor Coach
Model: Vegas
State: Pennsylvania
Posts: 19
THOR #1755
Extra 6V Batteries

Thanks to all that responded. Yes I know that I would have to add Two 6v batteries. I was wandering if anyone found a place on the Vegas to add the extra batteries, if I put the extra batteries I also plan on installing an inverter.
Just looking where others may have put the extra batteries or relocated all the batteries.
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