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Old 10-09-2016, 11:55 AM   #1
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Running Crock-Pot on the batteries

In 2 weekends, we are doing a tailgate and I would prefer not to use the generator out of consideration of the people around us. My goal is to get the Crock-Pot cooking for 6ish hours off the batteries - I would use an inverter off the cigarette lighter adapter. I just checking the power that my Crock-Pot consumes. 2.25 amps, 278 watts.

My question - will my RV batteries be able to sustain that kind of power for 6 hours? I have a 2015 Sunseeker 3010ds with the factory batteries.
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Old 10-09-2016, 12:00 PM   #2
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I'd cook it at home and then warm it up at the party

Less work there, less drawdown on your battery = win-win.
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Old 10-09-2016, 12:00 PM   #3
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Cigarette outlet,Very Bad idea! Run Genny,or Cook before and heat in Oven! Youroo!!
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Old 10-09-2016, 12:47 PM   #4
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Your crockpot will draw over 23 amps at 12v DC (the 2.25 amp rating is for 110V AC). I don't think there are any cigarette lighter circuits that can handle that much current...you will blow the fuse protecting the circuit.
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Old 10-09-2016, 12:51 PM   #5
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278 Watts at 12 volts - about 25 amps (with inverter losses). Unless you have a huge battery bank, you will kill your batteries in short order.
12 volt amps are over 10 times 120 volt amps, FYI.
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Old 10-09-2016, 12:57 PM   #6
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With losses in the inverter, you will be drawing over 25 amps from your battery / lighter outlet for six hours. I will most likely either blow the fuse or melt the lighter outlet/plug. In addition that is 150AHr which is is way more than most standard battery set ups can support. Cook at home then heat up on propane stove .
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Old 10-09-2016, 12:59 PM   #7
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Even if you bypassed the 12v socket circuit (wired directly or whatever), you would need a minimum of a little over 400Ah battery capacity for this one task alone.

In simpler terms, your looking at about 4 6v golf cart batteries to safely handle that single task.
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Old 10-09-2016, 01:32 PM   #8
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Crock pot

Simple answer is no
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Old 10-09-2016, 03:02 PM   #9
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Have you thought of getting a 12 Volt slow cooker? Amazon shows quite a few different models.
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Old 10-09-2016, 03:14 PM   #10
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An crock pot with equivalent capability will still require just under 300W or about 22A so you will have same problem with a 12V version.
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