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Old 06-22-2022, 12:14 PM   #1
Cryoman
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200 watt solar panel

Does anyone know the manufacturer of the 200 watt panel that comes on the 200I solar package?
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Old 06-22-2022, 04:36 PM   #2
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It looks like the solar panels were provided by futuresales.com who no longer have a web presence.
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Old 06-22-2022, 06:23 PM   #3
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From the Keystone website:
(no matter what I do I cannot get the image to go HERE - - -
so it is at the END of the post instead of where I want it)

https://www.fsi-solutions.com/

https://fsi-sales.com/collections/solar-panels
Don't see a 200W panel on this page. Perhaps they make one special for Keystone.

https://www.facebook.com/FutureSolutionsInc/
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Old 06-23-2022, 02:11 AM   #4
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Yeah, I don't know why I wrote future sales. I meant future solutions.
The owner's manual also says that you can use a 300 watt panel instead, but I have yet to find that critter.
This panel from Renogy looks to be the same, though:
220W 12V Monocrystalline Solar Panel

Here's what you are looking for, I think:
https://www.fsi-solutions.com/our-products
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Old 06-23-2022, 03:10 AM   #5
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I'm really liking the Renogy panel. I'd prefer 300W but for less than the price of one 300W panel from Future Solutions I can get two 200W panels from Renogy delivered. Plus, they've got 15% off sitewide right now. That's $45.00 off per panel.
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Old 06-23-2022, 04:26 AM   #6
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Thanks all. I found the panel Keystone used and you can only get it through Keystone.. the Keystone panel has an open voltage of 40 volts. The Renology panel open voltage is 27 volts. Does this make a difference when paralleling panels?
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Old 06-23-2022, 04:55 AM   #7
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Quote:
Originally Posted by Cryoman View Post
Thanks all. I found the panel Keystone used and you can only get it through Keystone.. the Keystone panel has an open voltage of 40 volts. The Renology panel open voltage is 27 volts. Does this make a difference when paralleling panels?
I'd say no. The Voc is, to me, more of a safety thing than a performance thing. For one thing, your solar system is not going to be "no load" in use.
Your total Voc must be less than the maximum solar voltage allowed by the charge controller.
So if you are going to parallel them, your Voc would be 33.5 volts. I'm still figuring this stuff out, but I believe that means you wouldn't have to change out your solar charge controller right away.
If you wire them in series your Voc would be 67 volts, which might exceed the rating of your solar charge controller.

edit: the maximum PV Voc for the MPPT 75/10 is 75V.
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Old 06-23-2022, 05:23 AM   #8
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I'd ask the question, why does the OP want to add more solar panels?
Our 200w maintains our 2, 6 volt batteries with no problems. We dry camp for days at a time and while I still take our generator we haven't used it in over 3 seasons. We watch movies, listen to music and use all our 12 volt systems as much as we wish. Our real limiting factor is water.
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Old 06-23-2022, 05:30 AM   #9
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Quote:
Originally Posted by Canonman View Post
I'd ask the question, why does the OP want to add more solar panels?
Our 200w maintains our 2, 6 volt batteries with no problems. We dry camp for days at a time and while I still take our generator we haven't used it in over 3 seasons. We watch movies, listen to music and use all our 12 volt systems as much as we wish. Our real limiting factor is water.
I suspect he's wanting to DIY an upgrade to the Solar Flex 400i to be able to use the (up to) seven inverter connected 110 outlets.

Just a guess, though...
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