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Old 04-17-2012, 08:08 PM   #29
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Originally Posted by tomkaren View Post
We have one grp 29 deep for the coach. I was wondering how that battery is charged. We use the 12 volt lights as litttle as possible. Does the 120 volt plug and the gen charge the deepcycle or is it recharged from the alternator when the engine runs? Thanks for the help! Tom
Your house battery is charged through the converter when you are plugged into shore power or running on gennie. Your house battery MAY also be charged from the alternator (check your owners manual) when the engine is running.

No reason to conserve battery by not using 12v lights unless you are dry-camping, using strictly the battery without running the generator.

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Old 04-17-2012, 09:01 PM   #30
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We have three batteries. One runs the house circuits. The other two are on a separate circuit that powers an inverter which provides power to the televisions, satellite receivers, and the CPAP machine in the bedroom. We can cross-connect the inverter batteries to the main house circuits by use of a switch.

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Old 04-17-2012, 09:18 PM   #31
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8 house batteries and 2 dead-beat chassis batteries.
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Both US Army Retired - Fort Lewis, WA
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Old 04-19-2012, 06:06 AM   #32
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How many house batteries (A battery is a collection of cells) do I use, 1.

But it's in five parts,

Two Interstate U-2200's (Six volt golf car batteries in series)

Two WalMart Maxx-29's
and one Group 27
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Old 04-20-2012, 03:36 PM   #33
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6-224AH 6v Full River AGM house batteries and two grp31 chassis batteries. 6 Kyocera 135w solar panels and a Onan QD 7500w diesel generator.

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Old 04-21-2012, 08:29 AM   #34
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I have 8 house and 2 engine, wondering if I could get by with less, maybe 4 house since we almost never boondock and I could run the Onan if we did.
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Old 04-21-2012, 08:52 AM   #35
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If your RV use is traveling from one power post to the next power post one 12v battery is all you would need.

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Old 04-21-2012, 09:21 AM   #36
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Sometimes generators will not start, so it is a good idea to have some backup if you stop for lunch or have an emergency. Our RV is number one option in case of hurricane and fuel can become scarce.I can go for 6 days on my AGM batteries in an emergency.

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