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Old 12-06-2018, 10:49 AM   #29
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2018 Interstate Grand Tour Ext
Round Rock , Texas
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Howdy, After 13 months my original batteries on 2018 Interstate failed. Tried to switch to Lithium but that did not work ( long story ). Had the dealer install two additional trays and now have 4 fresh Optimum Brand batteries. They work great! I can now run the refrig/freezer overnight while boondocking without running the batters below 50%. I was told by dealer that the "upgrade" to 2019 battery system with Auto Start was a project I did not want to undertake. Said it would cost thousands of $$$ - so I simply added the two trays and new batteries. The three solar cells work well for me. Do wish I could swap out / acquire the new backup camera's I have seen on some 2019's. ( not sure why I see them on some '19's and not others).
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Old 12-06-2018, 11:34 AM   #30
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Upon LEWs guidance I installed 4X 100w panels from am solar and a victron solar controller. It’s one of the best investments I’ve made. Totally worth the effort.
I completely concur with this remark! With solar, you can enjoy all your Airstream's 12V powered comforts each day and still have a fully charged battery the next day. Store your Airstream outside for months at a time and still have a fully-charged functioning battery for your next adventure. Enjoy the freedom to boondock anywhere and avoid the overcrowded sold-out-year-in-advance electric campsites.

For me, an Airstream with several hundred watts of solar panels is like having a perpetual motion machine.
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Old 12-06-2018, 12:46 PM   #31
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2015 Interstate Grand Tour
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Originally Posted by AirMiles View Post
I completely concur with this remark! With solar, you can enjoy all your Airstream's 12V powered comforts each day and still have a fully charged battery the next day. Store your Airstream outside for months at a time and still have a fully-charged functioning battery for your next adventure. Enjoy the freedom to boondock anywhere and avoid the overcrowded sold-out-year-in-advance electric campsites.

For me, an Airstream with several hundred watts of solar panels is like having a perpetual motion machine.

Generally agree... but that's all fine if you have sun, or sun at a decent angle, for lots of hours, and want to sit in the sun in the first place....

I have 300W and all week we've been in full sun, at a very low angle in WA so must be plugged in all day and night. My fixed panels peak output has been 70W, average daily intake of 160Wh. In the summer I was seeing peak of 280W and average daily intake of 800Wh in the SW region. But I sought out the shade whenever I could. (sigh)
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Old 12-06-2018, 01:27 PM   #32
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Generally agree... but that's all fine if you have sun, or sun at a decent angle, for lots of hours, and want to sit in the sun in the first place....

I have 300W and all week we've been in full sun, at a very low angle in WA so must be plugged in all day and night. My fixed panels peak output has been 70W, average daily intake of 160Wh. In the summer I was seeing peak of 280W and average daily intake of 800Wh in the SW region. But I sought out the shade whenever I could. (sigh)
TRONADORA - you are so right & very spot-on with these points. For those who doubt what you said, I will have them sit under the Las Vegas or AZ or UT sun in June July August where their solar panels can harvest energy in 1 day to last them weeks. But unless their battery banks are able to run the equivalent of 1.5 a/c units (at least 20,000btu in our AI) on full blast for almost 24hrs, they will be forced to seek shade and/or electric hookups. There is just no rv solar/battery system that is capable of staying ahead of the heat in these parts of the SW. Even an AI in full hookup campgrounds are barely keeping up. The inside of my AI has seen inside temps of 120° and that is inside the garage (albeit all closed up, no a/c running, no vents running). And even running vents only means I am sucking in 110° ambient air temp to refresh the inside air. I doubt most folks can tell that 110 is better than 120. Hot is just hot & unbearable inside AI at those temps.
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Old 12-14-2018, 10:22 PM   #33
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They are very helpful and reasonably priced. The installation isn’t that hard if you want to do it yourself. Or get Lew to do a professional job. We removed the airstream solar panel and solar controller then installed victron. My only regret was investing more in magnum controller and AGS rather than going all victron. Doing it again I would go victron all the way. Their app is awesome. Magnum is way behind in this respect. Batteries are easy enough to hang underneath if you stick with AGM.
Does anyone have any experience with the full Victron system?
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Old 12-15-2018, 10:54 AM   #34
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Does anyone have any experience with the full Victron system?
I've placed 3 FULL Victron systems into Interstates in the past year. That includes Victron lithium batteries, 400 watts of solar with Victron 100/30 controller and BMV-712 battery monitor, full Victron inverter/chargers and the V4.2 control system from AM Solar.

What would you like to know?
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