Good Sam Club Open Roads Forum: Adding more Solar and DC-DC charger
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 > Adding more Solar and DC-DC charger

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theboondork.com

Colorado

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Joined: 09/22/2019

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Posted: 10/06/21 10:19am Link  |  Quote  |  Print  |  Notify Moderator

I'm not very knowledgeable about electrical things but I did install my own solar system so I can tell you what has worked for me for the last seven years as a full-timer that boondocks 95% of the time, mostly in the winter in southern Arizona, southern New Mexico, and southern Texas. And yes this is the set up I have on my fifth wheel and not a truck camper. But I'm in the process of selling my fifth wheel and buying a truck camper so this thread interests me. And this solar system is approximately what it takes for me to be comfortable as a long-term boondocker no matter what RV I'm in.

840 Watts of Kyocera solar panels, 400 amps of BattleBorn lithium iron batteries, a 60 amp MorningStar solar controller, and a 1200 watt pure sine wave inverter.

I know some people need a lot less, and some folks need a lot more but for me, this works out just right. It won't run my air conditioner of course but it runs everything else I need to run.

In the summer when the sun is directly overhead this is way more panels and batteries that I actually need. But during the winter when the sun is low and days are short, this gives me all the power I need, even after three or four days of cloudy weather. And I have enough panels that I don't have to climb up on the roof and orient the panels toward the sun, they just lay flat all the time.

As for the cold weather, yes it does get pretty cold sometimes even in the Southwest so I put my BattleBorn lithium iron batteries under my bed where they stay warm, and yes I'm safe with them under their. But I did put a smoke alarm under my bed just in case!!

Theboondork.com

moonlitsouls

Everywhere

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Posted: 10/09/21 10:40am Link  |  Quote  |  Print  |  Notify Moderator

thank you all very much for the replies , really appreciate it. Ive been doing a lot of research and i created another thread to get some feedback on my preliminary wiring diagram , but im still confused about a couple things

adam

https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/30286820.cfm

OkieGene

oklahoma city

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Joined: 01/06/2004

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Posted: 11/14/21 10:50pm Link  |  Quote  |  Print  |  Notify Moderator

I'm not solar expert..... I heard from an acquaintance that purchased an extra solar panel. You may not have the room to carry one....but anyway, to supplement his roof mounted panels on those days when it's hard to get enough sun to top off the batteries, this is what he does.

He pulls the extra panel out of its storage spot and positions it on the ground, angled up and aimed properly with a home made metal frame thing, and aims it to catch the sun as it starts to come up. This gets some amps going 1st thing. He may or may not move it again, just depends, but he will wait, if needed, to re aim it for early evening to start catching the sun as it goes down, thus catching the the last of the suns energy.

It's a little expense, not a lot, you need another good panel, the wiring, and some material to make the framework to hold and aim the panel as the day progresses.

Best wishes to you.

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