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solar set up #5407791 04/19/20 01:01 PM
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spasm3 Offline OP
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What do you guys think of this 50w solar kit?

I want to use it to power lights in a 12x24 shed and charge rv and mower batteries in the winter.

I have a spare deep cycle rv battery group 31. Bigger than i need, but its what i have.

I'm thinking of wiring 12v lights in the shed with a switch from the batt. Or 110v lights with a small inverter.

Thoughts?

https://www.amazon.com/dp/B07PWK9Z7Q/ref=twister_B07L8T8TTC?_encoding=UTF8&psc=1


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Re: solar set up [Re: spasm3] #5407836 04/19/20 01:50 PM
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odie Offline
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We're considering a 100 watt portable solar panel for outages . Found this , https://ecotality.com/best-portable-solar-panels/ .

Last edited by odie; 04/19/20 01:51 PM.
Re: solar set up [Re: spasm3] #5407883 04/19/20 02:48 PM
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How far away is the shed? Would it make more sense, long-term, to run 120 out to the shed?


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Re: solar set up [Re: spasm3] #5408001 04/19/20 04:54 PM
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kc8adu Offline
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for a little more get a 100w renogy or rich solar panel.
a $15 pwm controller and a mc4 cable to bring power to the controller.
sae connectors scream cheap.seen too many failures with them.
use anderson powerpoles for your loads configured in the ARES/RACES standard.
are you lucky enough for one of your roof faces to point south with no obstructions?
bonus if it sits close in angle to your latitude.

Re: solar set up [Re: kc8adu] #5408047 04/19/20 05:56 PM
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spasm3 Offline OP
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Originally Posted by kc8adu
for a little more get a 100w renogy or rich solar panel.
a $15 pwm controller and a mc4 cable to bring power to the controller.
sae connectors scream cheap.seen too many failures with them.
use anderson powerpoles for your loads configured in the ARES/RACES standard.
are you lucky enough for one of your roof faces to point south with no obstructions?
bonus if it sits close in angle to your latitude.



Thanks, my building is partially wooded but the front of it faces southwest, it gets a lot of full sun.

Do i need 100w panel? I was trying to keep the panel from being so large. I only want lights if i need to get something at night, i don't work in there at night, i usually roll out my table saw. Its just for tool and implement storage.

Has a lot of light on it now at 18:55:00. And its cloudy here.


IMG_20200419_185514962.jpg
Last edited by spasm3; 04/19/20 06:06 PM.

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Re: solar set up [Re: spasm3] #5408118 04/19/20 07:15 PM
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ondarvr Offline
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You can buy motion sensor solar lights for less than $10.00 Walmart. They only stay on for about 30 seconds if they don't detect movement.

You can get better ones for about $35.00 that stay on much longer, the amount of time is adjustable.

I have many, I set them up for area lighting at night, plus in outbuildings similar to yours.

No extra batteries, no flipping switches, no buying wires and other mounting stuff. Open the box, screw it in place and you're done.

Last edited by ondarvr; 04/19/20 07:16 PM.
Re: solar set up [Re: spasm3] #5408315 04/20/20 01:10 AM
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Linctex Offline
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Originally Posted by spasm3
What do you guys think of this 50w solar kit?. Thoughts?

https://www.amazon.com/dp/B07PWK9Z7Q/ref=twister_B07L8T8TTC?_encoding=UTF8&psc=1


It's very over-priced... You can get the individual parts for about half that amount.

There's some really amazing deals on solar components right now if you look around.

As an aside. My entire ranch is powered by 6,800 watts of take-down panels I bought for $50 each.


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Re: solar set up [Re: spasm3] #5408416 04/20/20 07:46 AM
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gathermewool Offline
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Originally Posted by spasm3
I only want lights if i need to get something at night, i don't work in there at night, i usually roll out my table saw. Its just for tool and implement storage.

Has a lot of light on it now at 18:55:00. And its cloudy here.



You also mentioned charging batteries all winter. Will one panel and one battery cover that need? What about when that battery dies or some other component of the solar system let’s you down.

Again, why not just run 110 out to the shed???



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Re: solar set up [Re: Linctex] #5408447 04/20/20 08:28 AM
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spasm3 Offline OP
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Originally Posted by Linctex
Originally Posted by spasm3
What do you guys think of this 50w solar kit?. Thoughts?

https://www.amazon.com/dp/B07PWK9Z7Q/ref=twister_B07L8T8TTC?_encoding=UTF8&psc=1


It's very over-priced... You can get the individual parts for about half that amount.

There's some really amazing deals on solar components right now if you look around.

As an aside. My entire ranch is powered by 6,800 watts of take-down panels I bought for $50 each.


If you have any brand recommendations, I would appreciate it.


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Re: solar set up [Re: spasm3] #5409471 04/21/20 12:01 PM
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RoadDukie Offline
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Spasm.
Home Depot has some nice solar stuff, mostly "Grape Solar" brand. I've bought several items of theirs and have been pleased with the warranty and quality. H.D. will ship to home or local store for free.
Here is a nice one hundred watt kit for only a little more than the 50 on Amazon. It's also scalable with the ability to add additional panels in the future.

https://www.homedepot.com/p/Grape-S...Silicon-Panel-Kit-GS-100-BASIC/205764075


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Re: solar set up [Re: spasm3] #5410606 04/22/20 07:29 PM
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Nick1994 Offline
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I have a 100 watt solar panel from Amazon, was about $90. Then I bought a $15 solar charge controller and wired it myself, very simple.

I use it to charge car batteries and my ATV battery.


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Re: solar set up [Re: spasm3] #5411853 04/24/20 08:53 AM
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kc8adu Offline
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have a building on land out in the boonies our group uses for storage of projects,car work,parties,ect.
it has a 2kw system and a forklift battery.
i added a 100w panel to create a battery maintainer system and when there actively run a 100w hf radio.
keeps all the batteries in a rack up over the winter.
any battery in anything gets put on the system.
if someone goes up there and wants to play on hf the maintained batts support the radio.

Re: solar set up [Re: spasm3] #5424948 05/09/20 06:03 PM
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Normac Offline
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Originally Posted by spasm3
Do i need 100w panel? I was trying to keep the panel from being so large. I only want lights if i need to get something at night, i don't work in there at night, i usually roll out my table saw. Its just for tool and implement storage.


Your standard eBay / Amazon 100w panel really isn't much larger, can be had for under $100 plus a 10-amp charge controller.
Do you need 100-watts? I'd rather have the extra power coming in and not need it, than to wish I had it on a less-than desirable day.

In full sun, you'll have at least 5-amps steadily coming in during peak hours.
Should have no trouble running lights and topping off batteries over the winter.

Last edited by Normac; 05/09/20 06:05 PM.

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