Slickdeals is community-supported.  We may get paid by brands for deals, including promoted items.
189 results found matching
RSS
Filtering Options
Show results for
$ - $
Filters
Filters
Filters
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114080691 added 04-06-2018 9:00 AM by idiggplants in Deal Talk
yeah, but 100w is 100w, yes? so this 100w panel will put out the same amount as a 100w mono.. it just might be a bit bigger, yes??!!
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114083063 added 04-06-2018 10:02 AM by Medic311 in Deal Talk
for whole house solar - if you live in parts of the country that experience actual winters and you have natural gas heating....the only way you'll ever really see a break even point on your...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114083103 added 04-06-2018 10:03 AM by Medic311 in Deal Talk
i'm not sure you understand what efficiency means, that is the problem. yes a heat pump will lower your electric bill b/c it consumes less electricity. but google what the efficiency is of an...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114083395 added 04-06-2018 10:08 AM by Roy2001 in Deal Talk
Where is the energy go with resistive heat?
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114083415 added 04-06-2018 10:09 AM by Medic311 in Deal Talk
i realized you were just throwing out numbers without realizing what you were talking about, so i edited my post. scroll up and re-read what i said.
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114083915 added 04-06-2018 10:20 AM by Mustekala in Deal Talk
Great info in this thread! Coincidentally it seems Monoprice has their Pure Outdoor PowerCache 220 on sale. It has connections for solar panels, and would work in my situation (Detached garage...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114084291 added 04-06-2018 10:27 AM by joepublic2016 in Deal Talk
It might be that people are cross talking past each other, in particular by using the shortcut of the word "efficiency" rather than COP (coefficient of performance)... to quote from another web page:...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114084491 added 04-06-2018 10:32 AM by MultiRotorManiac in Deal Talk
These are good and will do the job, but I ended up returning them after a few weeks and buying (2) 200W monocrystaline panels (3' x 3') for $149 each with Free shipping using the best offer method...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114084859 added 04-06-2018 10:41 AM by Medic311 in Deal Talk
But you didn't say it. And when I informed you of your mistake, you attacked. Now you're calling me a troll? That's rich
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114084879 added 04-06-2018 10:42 AM by madmax718 in Deal Talk
here's another one for ya. Depending on your use of power in your garage (i.e., you only go in for a few hours every other day) and you only use lighting, you don't have to get enough solar for peak...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114113935 added 04-07-2018 10:28 AM by ghostwriter66 in Deal Talk
Seriously ... that's really crazy talk ... you lose 2% just in poor wiring ... and that 2% difference is if the solar panels hit 100% efficiency which none of them do so that 2% is probably more like...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114117371 added 04-07-2018 12:38 PM by flyboynm in Deal Talk
I am looking for a reasonable method to lower my energy bills for a home in Mexico; the more you use electricity in Mexico, the higher the amount charged for the KW hour. I want to find something...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114082175 added 04-06-2018 9:40 AM by twinight in Deal Talk
Unless you are tight on space, I wouldn't wait. They both put out 100 watts and $89 is still cheaper than $115
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114082287 added 04-06-2018 9:43 AM by geekwithoutacause in Deal Talk
heat pumps have gotten very cheap and much better. It's cheaper than propane heating for one. I know of tons of people around me who switched to it and love it. Read up on heat pumps , specifically...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114082471 added 04-06-2018 9:48 AM by theskater101388 in Deal Talk
On the topic of solar panels, seems like a lot of knowledgeable in here. I was looking at getting a solar panel (not sure which) and hooking up a car radiator fan (12v dc) directly to it and use it...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114085371 added 04-06-2018 10:54 AM by geekwithoutacause in Deal Talk
"may not" I know with a current system that temp level is much lower than 30f. Only below ~5f it's an issue. The trick is to leave these run at the same temp all day. They're not good to raise...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114085491 added 04-06-2018 10:58 AM by Gor32 in Deal Talk
The reason it runs all day is that it cannot keep up. If it can only hold at 5 no way out will maintain at -13 or below. The point is that it is a supplemental heat source. Not primary in northern...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114088847 added 04-06-2018 12:34 PM by ghostwriter66 in Deal Talk
There is a great group on FB called Boondocking With Solar ... go there .. all your questions answered
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114090359 added 04-06-2018 1:15 PM by avalon in Deal Talk
I always use this site to compare to the best prices available in the country https://sunelec.com/home/ https://sunelec.com/solar-panels/ site is literally out of the 1990s and hard to...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114065995 added 04-05-2018 7:41 PM by zelenafryejalio in Deal Talk
Home Depot offers the Grape Solar 100-watt Polycrystalline Solar Panelfor $89 with free shipping. ...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114081299 added 04-06-2018 9:15 AM by SaraStyled in Deal Talk
What is the size difference between the 100W poly vs 100W mono panel based on their price of $89 & $110, respectively...just wondering which incur more loses in power as well.
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114085699 added 04-06-2018 11:02 AM by m00ky in Deal Talk
You're talking about a few percentage points, though. So that getting a good deal on a pSi or mcSi can actually be more cost effective than paying the higher price for monoSi. Generally speaking...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114085751 added 04-06-2018 11:03 AM by haobow in Deal Talk
Can I buy one to power a security camera away from my house? What are the other stuff I might need for this purpose? Thanks!
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114085823 added 04-06-2018 11:06 AM by m00ky in Deal Talk
It's listed as an RV/Boat panel, so, not really sure why you went off on this tangent.
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114087947 added 04-06-2018 12:08 PM by poirot in Deal Talk
Is there a cheap inline fan that would pair well with this to exhaust my greenhouse? Only needs to run when the sun is shining. Not looking for a battery, just an fan or two with exhaust flap.
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114090707 added 04-06-2018 1:24 PM by GodHatesNFTees in Deal Talk
Link?
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114095587 added 04-06-2018 4:12 PM by graphixv in Deal Talk
My first thought would be, if you are looking for a heat source for an unoccupied cabin, i would have installed enough glazing and heatsink to keep it above freezing using passive solar heat...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114096071 added 04-06-2018 4:27 PM by TuckFigerDirect in Deal Talk
Feel free to send me a PM and can ask specific questions you may want to know. This area of green power has many, many factors and considerations, all depending on what your specific wants/needs...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114113375 added 04-07-2018 10:08 AM by erslincoln in Deal Talk
Look at large PC fans. You can get 200mm fans that draw maybe .3-4A, or something like that. Make a board that fits over your opening, cut four holes, mount four fans. 134cfm each, drawing 1.2A@12V,...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114116439 added 04-07-2018 12:07 PM by flyboynm in Deal Talk
Where can I get a good calculation for hours of the sun OUTSIDE of the US? I live part time in Mexico (Cuernavaca) and am always asked about how many hours of sunshine we get here and other places...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114102527 added 04-06-2018 9:01 PM by arunciks in Deal Talk
Mine whole house is all mini splits... 2 heatpumps and 4 zones. Fujitsu RLXfzh ..Enough for 1500 sq foot home with some electrical radiant kitchen heat for Central Massachusetts winters. Also use...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114104383 added 04-06-2018 10:58 PM by LikwidKaneo in Deal Talk
I lived on the Gulf coast of Mississippi in a house that was badly flooded in Katrina (5ft of water), but since it was a brick house, they gutted it and rebuilt. So everything was 2006-2007ish...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114091819 added 04-06-2018 1:59 PM by Medic311 in Deal Talk
you're quoting the wrong person, you need to quote the person who i quoted. i already know all of this, but thanks for the write up anyways :peace:
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114071135 added 04-06-2018 12:26 AM by Acina in Deal Talk
Because of lower silicon purity, polycrystalline solar panels are not quite as efficient as monocrystalline solar panels. Lower space-efficiency. You generally need to cover a larger surface to...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114075347 added 04-06-2018 6:31 AM by mmjax in Deal Talk
What state are you in? I’m getting more an more calls from homeowners interested in the permiiting requirements for home systems and larger scale systems on ag zoned properties. I honestly...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114075611 added 04-06-2018 6:41 AM by Dealgeneress in Deal Talk
Polycrystalline cells were previously thought to be inferior to Monocrystalline because they were slightly less efficient, however, because of the cheaper method by which they can be produced coupled...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114077575 added 04-06-2018 7:38 AM by madmax718 in Deal Talk
How I did it in 4th grade, back when radio shack was still around. Granted solar is much cheaper and better now, and so are the fans. Don't feel compelled to use 12v fans unless that is what you have...
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114078123 added 04-06-2018 7:53 AM by DenMan in Deal Talk
For the lazy (me), has anyone configured a decent setup with all components needed for RV /pop-up usage, with links to relevant components?
Grape solar polycrystaline 100w panels for 12V Systems (RVs, Boats) $89
Expired
Thread created 04-05-2018 by zelenafryejalio
+62 Score 185 Replies 72,535 Views
Post #114078159 added 04-06-2018 7:54 AM by cesar33 in Deal Talk
No, 3.5 to 6 sun hours in an average day. https://www.wholesalesolar.com/solar-information/sun-hours-us-map
Page 1 of 5
1 2 3 4 5

More Results from Amazon.com See more at Amazon

More Results from Walmart.com See more at Walmart

More Results from Ebay.com

Didn't find what you were looking for?

We're displaying limited results because of the following settings:

  • Deals with Any Rating
  • Deals from Any Time
  • Deals from 26 forums
  • Deals filtered by and
  • Searching within Entire Threads

If you want to relax this search, click here to reset all search parameters. You can also adjust them by using the filtering options on the left.