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Old 11-29-2022, 12:50 AM   #1
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Brand: Thor Motor Coach
Model: Aria 4000
State: Tennessee
Posts: 1
THOR #28543
Upgrading my Aria's PV system

I purchased the 2019 Aria 4000 back in April. My family of six have been traveling for most of this year. And I've been wanting to do more boondocking. I've been researching the Renogy's 48V Solar Charger Inverter system and installing 12 x 200w solar panels on my room. And then replacing my house batteries with several Renogy's 48v 50AH batteries.

My question is that I can't find anyone attempting to do anything similar. And from all the Google searches I've done. There isn't a single article I've found discussing 12v upgrading to 48v systems.

Has anyone ever heard of someone attempting this?

Is this a bad idea?

The purpose of doing this upgrade is to buy larger batteries, have high watt solar panels that charge faster and maximize both the space on my roof and the available watt-hours to run my A/C while off the grid or traveling.

This would be the largest project I've attempted.

Anyhoo, looking to find someone who has attempted something similar or at least can offer advice.

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Old 11-29-2022, 02:22 AM   #2
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Brand: Thor Motor Coach
Model: Four Winds 5K
State: Louisiana
Posts: 20
THOR #28165
Check out these youtubers

Check out the following YouTubers:

Explorist life (victron ambassador); https://youtu.be/sEW-ZaOOlq0. Mostly does 24 volt builds, but discusses 48volt systems in a few vids.

DIY Solar Power with Will Prowse; https://youtu.be/YcKO4ZhjJlk. Mostly does 48 volt stationary systems, but has multiple RV vids.

5toGo; https://youtu.be/phkPgNh7xJM. There’s a good three part series about an epic 48volt system.

The JayYo Nation; https://youtu.be/dvCDksDwP-Y. Good 48 volt build.

Enjoy the vids and good luck with your install! Please keep us posted with your progress.
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Old 11-29-2022, 02:50 AM   #3
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 11,029
THOR #7035
The only reason to switch to a 48 volt system from a 12 volt system is if you will be loading the batteries/inverter heavily and want to minimize IsquaredR losses (heat losses) during discharge. It probably won't make a significant difference during charging.
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