I searched around for a compact form solar panel with a decent watt output for my application and this works great!This isn't too much larger than the 5 watt harbor freight amorphous panel, but this instapark panel packs 6 times more power and at a good price. Using this with a Sunforce 7amp charge controller charges my 12v, sla, 20ah battery fast. Panel feels solid and it's weight reflects that. I would have liked to see better mounting options on the back of the panel, the aluminum frame has only two sides that are wide with a couple of predrilled holes. This of course requires user intervention to figure out how to attach mounting brackets. I recommend going with some aluminum 1" square bars from home depot to use as your crossmembers to mount to the back panel as a start. Stainless steel screws are a must for this type of project.This is a no brainer.
Some of the RV parks we go to are remote and you have to be self contained.
That means you need to generate your own power too.
This product allows us to keep the 2 12 volt batteries charged at all times and use them as needed without hooking up a generator or plugging the truck in to run the batteries off the truck's system.
I also purchased an inexpensive charging/maintenence system from Amazon for about $20 that works well.
We sit the solar panel next to our RV or truck during daylight hours and let it do the work "naturally".
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I bought two of these panels for my 1985 VW Westfalia Camper, enough to power my laptop computer charger, as part of an overall battery charging setup. They are working well for that application. For less power-hungry applications, I just set up one of the panels. When not in use, I keep the two together in one of the shipping boxes, with a sheet of cardboard separating them, strapped behind the passenger seat. This gives me 60 watts of power with almost no loss of storage space.From the pictures, I thought that black panels would be ugly, but they are actually quite attractive. They are also remarkably light I can pick them up and position them one-handed.
As others have mentioned, the wire that comes with the panel looks a little shabby. I was able to easily fix this, however. I pushed the wire into the junction box on the back of the panel so that the insulating sheath was inside the junction box (instead of outside), and clamped down the insulating sheath with the screw bracket inside. Then I soldered my favorite power connector onto the other end, with creative use of shrink tubing so that it merged in nicely with the insulating sheath. Now the cable is solid, working well, and looking good.
I would definitely recommend these panels because they are the perfect weight and size for easy handling and storage. To increase power, buy multiples.
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I have decided to begin adding some Solar Power to some minor electrical applications in my household (Battery Chargers, small power tools, etc). I assumed that this product would help me do just that... In making the decision to buy this particular panel I did hours of research and then made the purchase. The panel came packaged very nicely and in great shape except for some residue on the powder coat on the frame.Now what? Haha. What you are getting is a solar panel with a wire sticking out of the back. That's it. There is no documentation, no "welcome to the world of solar", no instructions on possible applications and how to use the panel for some of those applications, etc. I am an electronics junky so I won't have too much trouble modifying the panel for the applications I have in mind...but if you are the "average joe" who wants to "go solar" it will be a fun ride.
For solar to become widely used by the average consumer, companies must begin either including a pamphlet with the panel describing uses for the product and selling the attachments, etc needed to modify the panels, or selling panels set up specifically for certain applications.
As far as the panel providing what it says... I used a meter and checked all of the specifics listed for this panel and those numbers were met or exceeded in full sun, so I am going to assume it will work just fine.
As a side note, I did contact Instaspark before ordering this panel and recieved an email response within 24 hours.
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Product was delivered in good time. Product, so far, delivers what is specified. I have measured the short circuit current to be at least 1.5+ amps.

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