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01-04-2019, 11:57 PM
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#21
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Senior Member
Brand: Thor Motor Coach
Model: A.C.E 29.3
State: Ohio
Posts: 613
THOR #1620
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Quote:
Originally Posted by DenverTransplant
Tom Morton of Mortons on the Move posted a set of videos of how he retrofit a Tesla battery into their RV.
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I think this is a great way to go but it is not for beginners. Voltage has to be closely monitored and controlled but a Tesla cell is a great bargain.
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2015 Thor A.C.E. 29.3
2014 Honda CRV Toad
Ohio FMCA 317123
Camping World Indianapolis, worst dealer EVER experienced
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01-05-2019, 03:58 AM
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#22
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Senior Member
Brand: Still Looking
State: Texas
Posts: 6,187
THOR #2121
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Solar is great when it’s a good fit. For us, unfortunately, it wouldn’t accomplish much, so I haven’t been able to justify it. So far, no solar.
We only boondock at night when there is no sun, we drive often so battery charging isn’t an issue during the day, and van camper serves as a second/third car often enough that a dead battery isn’t a problem.
Beyond cost, solar would add weight, add to roof cleaning effort, maybe even reduce fuel economy and increase noise a tiny bit, etc... Solar is a great technology, and I like it a lot, but for us and our travels it wouldn’t add enough value to offset the negatives at this time.
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01-05-2019, 02:30 PM
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#23
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Senior Member
Brand: Thor Motor Coach
Model: A.C.E 29.3
State: Ohio
Posts: 613
THOR #1620
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Quote:
Originally Posted by Chance
Beyond cost, solar would add weight, add to roof cleaning effort, maybe even reduce fuel economy and increase noise a tiny bit, etc... Solar is a great technology, and I like it a lot, but for us and our travels it wouldn’t add enough value to offset the negatives at this time.
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It obviously does add a little weight but negligible for most people only using 3-4 panels. Cleaning takes a little more to raise the panels unless you have them permanently mounted to the roof so they cant be tilted but a plus side of having them on the roof is they shade the roof from direct sun with an airspace below them to dissipate heat. Solar certainly isnt for everyone and your use sounds appropriate for how you use your rv. We often boondock in the desert for days on end so it fits us great or if in state parks without hookups.
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2015 Thor A.C.E. 29.3
2014 Honda CRV Toad
Ohio FMCA 317123
Camping World Indianapolis, worst dealer EVER experienced
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01-05-2019, 02:59 PM
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#24
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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It does make moving around on the roof a bit more dicey...
And since I'm an "insurance Guy": I spend my time worrying about everything that can go wrong...
And since I'm even more of a Klutz: they will!
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"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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01-05-2019, 03:09 PM
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#25
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Senior Member
Brand: Thor Motor Coach
Model: A.C.E 29.3
State: Ohio
Posts: 613
THOR #1620
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Quote:
Originally Posted by Bob Denman
It does make moving around on the roof a bit more dicey...
And since I'm an "insurance Guy": I spend my time worrying about everything that can go wrong...
And since I'm even more of a Klutz: they will!
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LOL, hazard of the profession
__________________
2015 Thor A.C.E. 29.3
2014 Honda CRV Toad
Ohio FMCA 317123
Camping World Indianapolis, worst dealer EVER experienced
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01-05-2019, 03:22 PM
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#26
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Senior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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I watched these videos and subsequent videos with great interest to see if the integration of the 'tesla' type battery would provide a totally 'off-grid' possibility.
What I've seen is that his videos are very professional, quite technical, and not overly complicated, at least if you have some experience in your own RV's electrical systems.
After all is said and done, though, he still admits that he makes use of his 'small' generator when needed, though not as much as before, of course. It really helps to reveal that trying to be 'off-grid', without any need for external power, is not really attainable for most RVing scenarios, unless, of course, you have deep pockets and want a true 'off-grid' home, whether on wheels, or not, and have the money and enough panels and batteries to do it.
I love the idea of the 'flat' tesla style battery pack for RVs - it's an awesome weight and size and output for a motorhome application, especially if you want to mount it attached to a bay sidewall, flat on the bay floor, or even INSIDE the coach, such as in a closet. I might even have room UNDER my residential fridge, since the fridge is already mounted on a 'riser'. It might inhibit the air flow to the rear of the fridge, but maybe not enough to really matter. I think the ability to move the battery into the coach could be a big deal for RVing, especially as these types of batteries don't require maintenance, water, or really much of anything - and being within the coach would provide an even better temperature condition, as they don't like low temps, especially.
Now, the old 'battery bay' would also be free of lead acid heavy large bulky batteries, and would easily work as a great place for the other 'devices' and wiring for this type of install. And, even though my Chassis batteries are there also, they are already mounted up high, on their own bracket, and would not be in the way.
A drawback to solar power, for RVs, though, is that the typical RV, or motorhome, doesn't have a great amount of roof area to mount the number and size of solar panels that you might need to really implement a system for a more total 'off-grid' lifestyle. It really becomes 'the' limiting factor.
What I'd like to see is the ability to mount flexible solar 'panels' on the AWNINGS of the rv, or even find a manufacturer who might design a 'solar' awning, itself - basically a 'fabric' of solar cells, on a full 20' x 8', in a 12v or 24v output scheme. That size might render 40 to 60amps of output.
Rolling out your awning would then not only be for shade, shelter, and weather cover, but for the sunshine to power the RV, and recharge the battery(s).
The beauty and lure of Solar is it's quiet power, and it's 'natural' environmental benefits, but the size and number of panels, and even the size and number of storage(batteries), is the typical hurdle, at least for our MOBILE applications.
If you just want to supplement your 12v needs and usage, then it's pretty easy.
If you, though, want to power your 120v needs and requirements, especially for high-amp devices and appliances like heating and air conditioning, it's a different story.
It's coming, though.
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01-05-2019, 04:22 PM
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#27
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Senior Member
Brand: Still Looking
State: Texas
Posts: 6,187
THOR #2121
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The quantity of energy you’ll need and what other sources of energy will be available play a huge role on whether solar makes sense for an application. Energy storage seems to be less of an issue to me. In a way, the more energy you use the less solar makes sense because you’ll have to rely on other sources regardless. Isn’t that the reason electric cars don’t have a solar panel on roof? It would contribute so little as a percent of total that it’s not worth it.
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01-05-2019, 04:26 PM
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#28
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Senior Member
Brand: Thor Motor Coach
Model: 2017 Axis 25.4
State: Arkansas
Posts: 2,669
THOR #12231
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Yep, Turnerfam, You are right.... Its is coming soon.
If you just look at the last 8 or 10 years with Tesla Motors, Solar inovations, improved computer controls, Battery technology and lower costs. It wont be long and most folks will be driving an electic car, have 1K + battery banks (at home and in the RV), solar roofs (on home and RV's) etc.
I like your idea of a flexable solar panels build into a rollup awning.
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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01-05-2019, 04:28 PM
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#29
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Senior Member
Brand: Thor Motor Coach
Model: A.C.E 29.3
State: Ohio
Posts: 613
THOR #1620
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Quote:
Originally Posted by Chance
The quantity of energy you’ll need and what other sources of energy will be available play a huge role on whether solar makes sense for an application. Energy storage seems to be less of an issue to me. In a way, the more energy you use the less solar makes sense because you’ll have to rely on other sources regardless. Isn’t that the reason electric cars don’t have a solar panel on roof? It would contribute so little as a percent of total that it’s not worth it.
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That is exactly correct Chance. If you use a lot of energy during the day it can lose its effectiveness but still helps make up the loss. But if you are running a residential fridge or water heater on electric its gonna be hard to do. On a separate note in reference to electric cars, I envision one day that solar could be transmitted from huge solar arrays in outer space being received by some type of solar receiver that you pay to have turned on. I dont really think this is to far fetched. Especially with new technlogy such as Soli where you can turn appliances or apps on or up or down by rubbing or tapping your fingers together.
__________________
2015 Thor A.C.E. 29.3
2014 Honda CRV Toad
Ohio FMCA 317123
Camping World Indianapolis, worst dealer EVER experienced
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01-05-2019, 04:36 PM
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#30
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Senior Member
Brand: Thor Motor Coach
Model: A.C.E 29.3
State: Ohio
Posts: 613
THOR #1620
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This is a great how to video by Will Prowse
__________________
2015 Thor A.C.E. 29.3
2014 Honda CRV Toad
Ohio FMCA 317123
Camping World Indianapolis, worst dealer EVER experienced
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01-05-2019, 04:40 PM
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#31
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Junior Member
Brand: Thor Motor Coach
Model: Axis
State: Illinois
Posts: 3
THOR #8569
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Quote:
Originally Posted by JJMON
I’m curious as to who has solar and how is installed: roof vs ground.
I’m guessing roof mounted would be more popular and possibly more expensive out the gate. You then don’t have something else to ‘set’ up upon arriving.
Do you see a lot of benefits? I don’t see us doing a lot of extended boondocking where I see this would be a benefit.
Thanks
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JJMON. I boondock often. The Harbor freight 100 Watt system kit, is cheap and works in sunny and shade. I have 2. I can go for weeks in the S.W. without electrical connections and enjoy 120 volt powered coffee & t.v. daily. And it's portable. Following the Sun a couple times a day. Repackaged in the box and down the road quick and easy. Enjoy. Go big later...
Regards Mr Bill and Roberta lost somewhere in the U.S.A
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01-05-2019, 06:24 PM
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#32
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Senior Member
Brand: Thor Motor Coach
Model: 22E
State: New York
Posts: 322
THOR #12119
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My 100 watt solar panel
My fixed 100 watt Solar panel:
Eliminates an electrical cord that is across the driveway and driven over multiple times a day by other vehicles. I do use a cord a day prior to trips.
Saved on installing a permanent electric cable & outlet around driveway. Solar panel was @$120, installed.
Keeps batteries fully charged even if there is power loss, (blackout, or faulty GFCI, which I had). I already replaced 1 battery this year due to GFCI failure.
Save a few dollars a year on electric bill (My utility charges .23 per Kilowatt hour).
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01-05-2019, 06:34 PM
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#33
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Senior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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agree, as my 200w provides STORAGE power, keeping the House batteries topped-off whether leaving the disconnect OFF, or even if leaving the Inverter on(search mode, for Fridge compressor only).
I think this is really why so many ClassA and similar motorhomes are now coming with a smallish solar panel, already installed, or a simply 'pre solar' wiring - not to really create a big solar system connection, but more for 'storage' trickle charging of the House batteries.
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01-05-2019, 07:42 PM
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#34
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Senior Member
Brand: Still Looking
State: Texas
Posts: 6,187
THOR #2121
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There is no doubt solar technology will continue to improve, but so will technology in other competing energy areas. That’s what makes predicting the future so difficult.
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01-05-2019, 11:38 PM
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#35
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 31S
State: California
Posts: 159
THOR #3788
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yes have 360 watts never have to plug in to keep battery's charged
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Richard M / Carol B
2020 Entegra Accolade 37K
2021 F150 Platinum
FMCA #F432587
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01-09-2019, 06:56 AM
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#36
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Senior Member
State: California
Posts: 134
THOR #14070
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Quote:
Originally Posted by Long & Winding road
If it a 2019 Thor Gas motorhome it will have everything prewired and a small (10 amp?) solar controler that I beleive is connected to the battery already.
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I have a 2019 and didn’t see this, buuuuut I don’t really know what I’m looking for. Can someone please snap a pic and post it? Thanks!
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01-09-2019, 12:47 PM
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#37
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Senior Member
Brand: Thor Motor Coach
Model: 2017 Axis 25.4
State: Arkansas
Posts: 2,669
THOR #12231
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Ok, Well all I know is the 2019 Thor products that I have looked at locally (@ Camping World) had a small solar controler by the door as you walk in (Next to the cut off and light switches). Some of the bigger coaches might have it with the rest of the control panels (For checking water level, tanks etc) but I think most of them have gone to the multi-plex wiring so its all in a touch screen (so it might be next to that screen?).
All of the one I saw in person said "Go Power" on them.
And in your fuse box area (inside the coach - usually under the bed) you should see a white and orange wires comming in (but it should be hooked up to something since yours is a 2019 model).
Thats all I know... perhaps someone with a 2019 rig can chime in later.
__________________
2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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01-10-2019, 02:56 PM
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#38
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Senior Member
Brand: Thor Motor Coach
Model: Axis 24.1
State: Florida
Posts: 613
THOR #4366
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We've been using solar since 2012. When we up graded to the MH I added solar to it. Solar is not for every one.
We spent the entire month of Oct 2018 using only solar to recharge the batteries. For east coast camping I have 3- 100 watt panels set up as portable to solve the shade issue.
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2016 Axis 24.1 E-450 6 spd tranny
300 watts portable solar.
200 watts solar on the roof.
Wrangler JK dinghy
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01-10-2019, 04:54 PM
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#39
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Senior Member
Brand: Thor Motor Coach
Model: 2017 Axis 25.4
State: Arkansas
Posts: 2,669
THOR #12231
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Quote:
Originally Posted by scrubjaysnest
We've been using solar since 2012. When we up graded to the MH I added solar to it. Solar is not for every one.
We spent the entire month of Oct 2018 using only solar to recharge the batteries. For east coast camping I have 3- 100 watt panels set up as portable to solve the shade issue.
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Ok great. Yeah its not like I really "need" solar (at least not right now). Its more of a "want thing".
I hope to work from the road more this year so I will have to stop at parking lots/trucks stops/WM for hours working off my laptop/phone. Plus work from the CG during the business hours.
So would think solar will allow me to shut off the engine and keep the Genny off longer (if its not hot outside and not plugged in anywhere). Plus some day we hope to do some camping off the grid for a few days.
What solar system did you go with? How many amps is your Solar controller/charger? How do you like it so far? How many batteries are you running? Anything you would do different? Thanks.
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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01-13-2019, 02:06 PM
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#40
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Senior Member
Brand: Thor Motor Coach
Model: 2018 Compass 23TR
State: Michigan
Posts: 129
THOR #11426
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Quote:
Originally Posted by DenverTransplant
I currently have 200W of panels on the roof and plan on adding another 200W this spring. I also have a 120W portable panel that connects to an SAE connector on a pig tail to my solar controller. With the 400W on the roof plus the portable, that will max out my controller's capacity (a little over, but I doubt I'll ever see max panel output). The portable is a hold over from when we had a trailer, but is handy to be able to locate it in the sun if the rig is shaded.
We dry camp a fair amount of time so the solar really helps keep the batteries charged. Also my storage location doesn't have power so the solar keeps the batteries charged all winter.
The solar panels are 100W (each) Windy Nation flexible panels fixed to the roof with Eternabond tape
Solar controller is a Bogart Electronics SC-2030. This is a PWM 40 amp controller chosen mainly because it integrates with my Trimetric battery monitor.
Solar controller is mounted in the storage compartment nearest the battery compartment, but is still about 10 cable-feet away. I routed two No 8 cables down the refrigerator vent and then into the belly bay below the refrigerator. Then across the bay to the driver side storage bay. Solar panels are run in parallel due to the PWM controller and a desire to have them independent. The No. 10 panel wire connects to the No 8 trunk cable under the refrigerator vent cover.
If you use the Thor provided wiring, you probably can't support more than 200W unless you use an MPPT controller and series the panels.
Another spring plan is installation of a 1500W Windy Nation inverter in the same bay with the solar controller. I need bigger battery side wire for the inverter so I'll replace the No. 10 I'm using for the solar controller with 1/0 and tie in the solar controller output to the inverter battery terminals.
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DenverTransplant, I’m curious about your choice to mount flexible solar panels with Eternabond tape vs hardmount with brackets. I have heard that air needs to circulate around the panels (which would favor the hardmount with brackets), but I confess I am intrigued by the low profile and ease of installation of using Eternabond tape. And I really don’t want to drill more holes in my roof. How long have you had this setup? Any regrets about using the tape?
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