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Old 07-21-2011, 05:07 PM   #1
1 Rivet Member
2004 19' Bambi
Santa Barbara , California
Join Date: Jul 2011
Posts: 5
Electrical - Adding a 110V outlet from Battery

We own an '04 Bambi that has an 80w Go-Power Solar system installed. The solar keeps the batteries charged and we never have to worry about low batteries. We do a lot of dry camping however, none of the outlets work off of the battery. Is there a way to adapt an outlet or add a new outlet that can work off of the battery? Perhaps use a 12v inverter?
Your help / ideas would be greatly appreciated.
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Old 07-21-2011, 07:03 PM   #2
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2011 34' Classic
Westchester Cty.NY , / Miami FL
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what are you looking to run off that outlet?
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Old 07-21-2011, 07:14 PM   #3
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1999 23' Safari
Perrysburg , Ann Arbor
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Sure, you can run an inverter to power 120v items.

BUT - remember that they are gonna' draw a lot more amperage at 12v than 120v - more than 10x, given inverter inefficiencies. So a small 240 watt appliance that only draws 2 amps at 120v will draw something on the order of 25 amps at 12v ... your battery won't last long at that rate of discharge. Plus, even at this rate of draw, you need pretty hefty wiring to prevent overheating of the battery connection wires.

I've got a 260 watt solar system and three Lifeline batteries: I also have two SMALL inverters for running very small items such as an extra fan for cooling, or a cell phone charger, etc. Everything in my trailer runs off of 12v except for the microwave and the a/c.
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electrical, solar, 120 volt

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