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Old 06-14-2015, 11:45 AM   #1
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Batteries

new 2014 sunseeker how long should the batteries last when not plugged in or generator running
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Old 06-14-2015, 11:55 AM   #2
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Unfortunately we will need some more information, like how many batteries, brand etc. Otherwise a member with the exact same year and type of motorhome will be the only one who can answer.

In addition, how long the batteries last heavily depend on what is using 12V while on battery power. Sitting in the dark without any furnace, fridge, or hot water will make your batteries last really long compared to having all the 12V loads turned on fully.

In general, 2-12V or 4-6V will last about 12-24 hours depending on 12V usage.

With a bit more information we can help more.
Brian
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Old 06-14-2015, 12:25 PM   #3
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Generally the design target,,if they bothered with that is "Overnight".

Around 8 hours with furnace use.. perhaps 12 without.

This assumes nothing save the water pump, and control power for some things.. Even an inverter on STANDBY is going to run 'em down faster.
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Old 06-14-2015, 03:18 PM   #4
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batteries

I have 2 12 volts that came with unit, running fridge and water pump batteries last 10 hours is that ok
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Old 06-14-2015, 03:31 PM   #5
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Yes that is about right - 10 hours for water pump and fridge, assuming you were not plugged for the prior 72 hours. Charging batteries daily with the generator running for 2-4 hours only brings the batteries back to about 70% to 80% of full capacity. They will go low (40 to 50% state of charge) within the 10 hours with water pump and fridge.

In addition there are other parasitic loads such as propane detector, 12V radio if equipped in coach (not dash), and others which contribute to drawing down 12V.

If you plan to dry camp (no power) regularly a solar panel and charge controller will help keep the batteries topped up, in addition to the generator.

Hope this helps,
Brian
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Old 06-14-2015, 03:36 PM   #6
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thank you that helps
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