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Trailer Solar Questions

 
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Old 06-01-2015, 09:39 PM   #1
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Trailer Solar Questions


ive been doing a bunch of searching and mainly what im finding is very outdated for as far as solar has come along.

I have a 7x14 that i need to get my alarm installed in and at the same time id like to add solar to use minimal power. there are a lot of times that i get to a job and power is too far or i need power for just a couple cuts and done.

i guess school me on the skinny of it all. inverters, batteries, panels etc..

thanks guys!
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Old 06-01-2015, 09:43 PM   #2
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Re: Trailer Solar Questions


I would think your trailer would have to be completely covered to get enough juice out of solar to work. Plus you'd need batteries. Just get a small inverter generator.

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Old 06-01-2015, 10:21 PM   #3
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Re: Trailer Solar Questions


My brother is a horseshoer and has a fully outfitted shoeing rig. Bandsaw, drill press, multiple grinders and buffers, lighting, fans etc. all running a an inverter charged by solar. Very handy but he rarely uses power tools more than a few minutes per job if that. I believe the inverter alone ran around $5,000
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Old 06-02-2015, 03:46 PM   #4
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Re: Trailer Solar Questions


Wow. Ok good to know.
Thanks guys!
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Old 06-03-2015, 05:31 AM   #5
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Re: Trailer Solar Questions


Another vote for generator, I'd get a diesel and run exhaust outside and install a large tank above it so I can fill at gas stations. As to the alarm, you can install a deep cycle battery and run a single panel on roof to charge, no need to get crazy because its not a big draw.
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Last edited by WarriorWithWood; 06-03-2015 at 05:33 AM.
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Old 06-03-2015, 05:46 AM   #6
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Re: Trailer Solar Questions


You can get 10kw inverters for less than $800 which is more than enough for most situations but the issue is there are midfield sine wave models at that price which may not run all your tools. You can get around 4-5kw pure sine wave inverters for around $1000 and these again will power most of the stuff you could need unless your taking massive electric compressors etc etc

You would have about $2k in a good system for solar on a trailer. For me it was more a space issue and would have been a better option installed in the truck in a truck box so it's everywhere I take the truck. What's funny is before I thought about it I needed it almost a couple times a week. Since then I would have needed it a total of zero times so glad I didn't get it.
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Old 06-03-2015, 10:11 AM   #7
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Re: Trailer Solar Questions


Based upon your needs, you don't need a huge panel. I also don't know where you are, so its hard to factor how much sunlight you get. What you need is a decent sized power bank, and a decent sized inverter.

Depending on the battery type, you can use common marine deep cycle batteries, but they are rated for an approximate 4 hour drain. So you can discharge 25% of its capacity per hour. I'd do at least 2, just for reserve capacity. If you just have a high amp/short run tool, you can size 4 smaller batteries. It provides more power in a smaller duration of time to the inverter.

Size the inverter to your tool that you expect to use. Find out how many amps it uses.

You can run it like this without panels if you'd like. You would just need to charge up the batteries and keep it topped off.

native 12v chargers are always more efficient than inverters- and smaller inverters are always more efficient than larger ones. Its like sitting at a stop light in a electric vehicle, vs a 4 cylinder, vs a v10. There's nothing that prevents you from running a small inverter and larger inverter at the same time, or just one or the other.

I hate dewalt for not having this.

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Old 06-03-2015, 10:14 AM   #8
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Re: Trailer Solar Questions


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Old 06-03-2015, 10:15 AM   #9
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Re: Trailer Solar Questions


Sorry, Im on a milwaukee hate.
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Old 06-07-2015, 09:09 PM   #10
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Re: Trailer Solar Questions


Quote:
Originally Posted by Robinsonfam1 View Post
ive been doing a bunch of searching and mainly what im finding is very outdated for as far as solar has come along.

I have a 7x14 that i need to get my alarm installed in and at the same time id like to add solar to use minimal power. there are a lot of times that i get to a job and power is too far or i need power for just a couple cuts and done.

i guess school me on the skinny of it all. inverters, batteries, panels etc..

thanks guys!

Head to an RV dealer.
They will have solar setups. They are common for people who boondock in their RV's.
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Old 06-08-2015, 07:54 AM   #11
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Re: Trailer Solar Questions


Except that they will charge RV pricing. Which is ridiculous.
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Old 06-08-2015, 08:09 AM   #12
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Re: Trailer Solar Questions


We use a couple champion 2000 watt inverter gennies paralleled together. Quiet, more than enough for our jobs and ran about 1k before tax.
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Old 06-08-2015, 05:42 PM   #13
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Re: Trailer Solar Questions


Quote:
Originally Posted by madmax718 View Post
Except that they will charge RV pricing. Which is ridiculous.

We have a camping world down the road from my house. I went in there once and see there prices and never went back in since. my jaw hit the deck when I looked around. Told me I could save a few $ if I joined some members club. Even with that it was still 30-40% more than anywhere else.
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Old 06-09-2015, 09:54 AM   #14
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Re: Trailer Solar Questions


At least someone understands! A hitch ball is like 20-30 dollars at camping world. Same ball, at walmart is 10. Same pricing structure on things like straps, etc.

Other than pulling in and sleeping in their parking lot, I buy nothing there.
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Old 06-09-2015, 11:20 AM   #15
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Re: Trailer Solar Questions


One more vote for generator.
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Old 06-09-2015, 04:29 PM   #16
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Re: Trailer Solar Questions


Quote:
Originally Posted by madmax718 View Post
Except that they will charge RV pricing. Which is ridiculous.
Just go there to check out the individual components, then shop for them on line.
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Old 06-09-2015, 05:05 PM   #17
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Re: Trailer Solar Questions


Thanks for all they help eveyone. Ill get searching around and see what plan I can devise!
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Old 06-09-2015, 08:25 PM   #18
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Re: Trailer Solar Questions


You may get up to 160w per sq. yd of panel depending on where you live.
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Old 06-09-2015, 10:53 PM   #19
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Re: Trailer Solar Questions


I run a 100ft 10/gauge cord through the floor to closest power source ....works great ....also, you can likely find an alarm with a 110/rechargeable battery that will get the job done ....sometimes trailers are a tough call..you don't want to drag it around ...but you don't want to leave it .
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Old 06-10-2015, 11:20 AM   #20
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Re: Trailer Solar Questions


Quote:
Originally Posted by AGullion View Post
I run a 100ft 10/gauge cord through the floor to closest power source ....works great ....also, you can likely find an alarm with a 110/rechargeable battery that will get the job done ....sometimes trailers are a tough call..you don't want to drag it around ...but you don't want to leave it .
I do it very similar. 10/3 100'. But there are many times where its just a couple cuts and done. Im still building out my trailer as time comes along.....should be done in year or so. Lol

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