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Old 09-22-2015, 07:12 PM   #1
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New Interstate- Refer charged by solar panel?

We recently took delivery of a 2016 Interstate. During the delivery process the dealership tech told us the refrigerator does not run on propane, only electricity.

Our van came with a 100watt solar panel. With everything else shut off, is this solar panel enough to run the refrigerator? .... or at least maintain it?

The freezer that is separate has been planned to be used, but would be great it it could also, of course.

Haasman
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Old 09-22-2015, 08:56 PM   #2
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My early 2014 came with a 50w solar panel. It worked to keep the batteries charged if the battery disconnect switch was turned off. I too want to run my frige to keep meds and beveriges cool while away from the rv while traveling and that requires turning on the batteries which enables some parasitic drains in addition to the frig. Member Lewster, who is an expert on our electrical systems recommended 200W as well as a multi-stage charger for my needs which seem similiar to yours. In your case you could add one 100w panel while I had to add 2 with one replacing my 50w. The whole upgrade is pretty involved and not cheap but for me it will be well worth it.
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Originally Posted by Haasman View Post
We recently took delivery of a 2016 Interstate. During the delivery process the dealership tech told us the refrigerator does not run on propane, only electricity.

Our van came with a 100watt solar panel. With everything else shut off, is this solar panel enough to run the refrigerator? .... or at least maintain it?

The freezer that is separate has been planned to be used, but would be great it it could also, of course.

Haasman
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Old 09-22-2015, 09:45 PM   #3
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The currently standard 100 watt panel, and even the previous 50 watt panel CAN support the fridge and parasitic draw but only if the conditions are right. But in reality you cannot expect the panel to provide adequate amperage on a cloudy day or when the sun is sitting low in the sky such as in the evenings or during the winter. Today it was sunny and I saw 2.7 amps on my solar display.
The advantage of multiple solar panels is to provide sustained power in less than ideal conditions.


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Old 09-23-2015, 01:50 AM   #4
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Thanks for the replies. All helpful.

Haasman
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Old 09-23-2015, 06:31 PM   #5
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We must have never encountered ideal conditions because I cuold never keep batteries charged with the 50W solar when the main disconnect was on and was running only the fridge. My 200 W solar upgrade with Blue Sky MPPTwill keep ahead of the fridge.
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Old 09-29-2015, 11:25 AM   #6
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It's impossible so, it may take a little longer.
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Old 09-29-2015, 12:22 PM   #7
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What is the wattage of the fridge?
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Old 09-29-2015, 01:48 PM   #8
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Originally Posted by nrgtrakr View Post
What is the wattage of the fridge?

According to the spec sheet, the standard fridge, as on my AI, is 2.2 amps (26.4 Watts). That would not be continuous, only when on the cooling cycle.


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