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Old 08-18-2008, 04:47 PM   #15
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Are they full size like the Domitic ones? anddo they come with freezers thatwould great if they do .? and Lewster what size battery bank you run ?
I use a 300 amp/hour set comprised of 2 Lifeline GPL-6CT 6VDC golf cart batteries with the only charging source being 4 X 100 watt solar panels piped thru an AM Solar HPV-30DR charge controller. At full sun, I normally get between 16-20 amps charging the batteries. The battery bank has never gone below 12.6 VDC at any time running the fridge 24/7, even after 2 cloudy days with no direct sun.
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Old 08-18-2008, 06:01 PM   #16
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Well what i undestand about newer soller cells is .

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I use a 300 amp/hour set comprised of 2 Lifeline GPL-6CT 6VDC golf cart batteries with the only charging source being 4 X 100 watt solar panels piped thru an AM Solar HPV-30DR charge controller. At full sun, I normally get between 16-20 amps charging the batteries. The battery bank has never gone below 12.6 VDC at any time running the fridge 24/7, even after 2 cloudy days with no direct sun.
They can allmost do full wattage in cloudy weather is this true?
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Old 08-18-2008, 06:22 PM   #17
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They can allmost do full wattage in cloudy weather is this true?
That depends on how much light is passing thru the clouds. Some cloudy days are brighter than others, and the panels react accordingly. Today, it's very dark out with a very heavy cloud layer and I'm only getting about 10% of the normal output, but I have seen it up to about 55% when the cloud layer is white and not as thick.
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Old 08-18-2008, 07:39 PM   #18
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Ok and the two 6 volt cart batterys?

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That depends on how much light is passing thru the clouds. Some cloudy days are brighter than others, and the panels react accordingly. Today, it's very dark out with a very heavy cloud layer and I'm only getting about 10% of the normal output, but I have seen it up to about 55% when the cloud layer is white and not as thick.
You have those in parallel to make it 12 volt so if you have 4 -6 volt cart batteys two each in parallel that should if you keep the batterys charged running a 2000 watt refrigerator for how long? with a top of line sine wave inverter? I was thinking about making a home made gereraor with a 200 amp car alternator AND a 2000 to 5000 watt sine wave inverter I have the 6 hp engine its a honda to from a old pressure washer it couldrun the 120 volt items and charge the batterys at 12 volts at the same time ..if need be ... would that be feasable?
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Old 08-18-2008, 08:23 PM   #19
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With the replacement cost of an RV frig ($1000 to $1200) there has to be an alternative.

A home style replacement at $200 to $350 like TN TUNDRA you could buy a new one every 2 to 3 years and still come out ahead.

Plug it in a day before you depart everything cold and frozen and you could go for 6 to 8 hours before you would have a problem for me that's as far as I would ever drive in a day and I always stay where elec is available.

You could carry a cooler and buy whatever frozen stuff you need close to your destination.

I figure when (not if) my frige goes out I will look at doing the same thing as TN Tundra

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Old 08-18-2008, 08:27 PM   #20
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Labor day weekend I'm gonna test my inverter with 1 battery running the fridge for a couple of hours and then see how many ah I put back into the battery for full charge should give me a reference of how much power it will take. Another thing about this fridge I put in was that it doesn't run ALL the time. I had it in the garage with temps in the upper 90's 50% humidity and it only kicked on a couple times in 4-5 hours. So maybe doing a plug in the night before and let it get frozen then it would pull even less power. But I know this isn't something I can always do.
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Old 08-18-2008, 09:40 PM   #21
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You have those in parallel to make it 12 volt so if you have 4 -6 volt cart batteys two each in parallel that should if you keep the batterys charged running a 2000 watt refrigerator for how long? with a top of line sine wave inverter? I was thinking about making a home made gereraor with a 200 amp car alternator AND a 2000 to 5000 watt sine wave inverter I have the 6 hp engine its a honda to from a old pressure washer it couldrun the 120 volt items and charge the batterys at 12 volts at the same time ..if need be ... would that be feasable?
Make that 2 X 6VDC golf cart batteries in series to get 12VDC. A parallel connection between 2 6VDC batteries will still net you 6VDC, but double the amperage. If you use 4 golf cart batteries, you set them up in 2 series pairs and then parallel them. I am planning on doing just that when I get back to FL in the Fall.....giving me 4 batteries with 600 amp/hours of capacity.

On your generator idea.......maybe. I'm not an expert on the automotive side of things, but if you were going to go that route, I would just get a 2400 watt Yamaha or 2 2000 watt Hondas and use them to run your trailer and call it a day! They would run whatever you like, including a 13.5K roof air.
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Old 08-19-2008, 07:34 PM   #22
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I would love two honda generators BUT holy wad of cash

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Make that 2 X 6VDC golf cart batteries in series to get 12VDC. A parallel connection between 2 6VDC batteries will still net you 6VDC, but double the amperage. If you use 4 golf cart batteries, you set them up in 2 series pairs and then parallel them. I am planning on doing just that when I get back to FL in the Fall.....giving me 4 batteries with 600 amp/hours of capacity.

On your generator idea.......maybe. I'm not an expert on the automotive side of things, but if you were going to go that route, I would just get a 2400 watt Yamaha or 2 2000 watt Hondas and use them to run your trailer and call it a day! They would run whatever you like, including a 13.5K roof air.
All though two 2000 watt pure sine inverters are not cheap ethier like 1100 bucks just for the inveters never mind 200 bucksf or the 200 amp alternator then four 6 volt cart batteries for the batteie bank.
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