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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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.Read Best Reviews of Instapark® NEW All Black 30W Mono-crystalline Solar Panel, 30 watt Here
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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Came packed nicely in a sturdy shipping container but as can be expected at this price it could have been tidier and cleaner especially the smudges of some kind of white compound which did clean off with alcohol and a soft cloth plus the cell interconnects had several non-shorting (but close) solder splashes. Having said that from my limited testing it meets specs ok. Output falls off as it heats so if you intend to use this on an RV roof make sure it'll be big enough for your needs knowing that on a hot sunny day you might have 10% or so less than the rated 30 watts.Based on other comments I chose to not use the Instapark controller but instead opted for a Genasun GV-5 5A 12V MPPT controller which while not cheap is far superior to the cheap Chinese controllers out there. My application is critical and requires low RF interference and high reliability so I used the savings from this panel for superior controller technology using quality components. My setup has this panel, the controller and a Power-Sonic PS-1290 12 Volt 9 Amp Hour Absorbent Glass Mat battery for 12 volt service and for small occasional AC loads I have a Tripp Lite PV150 Inverter. Everything except the Genasun controller is available on Amazon at the usual excellent prices.
The setup is working well so far but I haven't had much testing time and I may have to add another battery if the Inverter is used much.
Nice price for a decent panel.


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