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on November 19, 2012
I have two of these panels. The installation was easy although it does not come with any intructions. I would suggest a youtube tutorial if you are tackling a solar project on your own. Also suggest some splicing experience ;)

Total setup:
- 2 Instapark 100W Mono-crystalline Solar Panel
- Sunforce 11240 1000 Watt Pure Sine Wave Inverter with Remote Control
- HQRP Pair MC4 T-branch Solar Panel Connector M/M/F & F/F/M (1F2M & 2F1M) for PV / Photovoltaic System (connects solar panels together)
- HQRP Pair 144 inches (3.66m) 1x4mm² Photovoltaic Solar Array Cables with MC4 Connectors (connects panels to voltage controller)
- Sunforce 60032 30 Amp Digital Charge Controller
- Cobra CPI-A4000BC 4-AWG Heavy-Duty AC Power Inverter Cable Kit (Connects the last battery in the chain to the inverter)
- HQRP Pair MC4 Solar Panel Connector male & female (M&F) for PV / Photovoltaic System plus HQRP Coaster
- Instapark® ZJ-02 Solar Panel Mounting Hardware Kit (mounts panels to roof. If you need to change the pitch of the panel do not get these)
- Other stuff: Junction Box, 3 outlet boxes and plates, 3 conductor electrical wire (romex), wire nuts, conductor clamps and wire ties.

I have the panels going to a sunforce voltage controller, the controller is wired to three 12v marine gel batteries that are daisy-chained together. The batteries are wired to a pure sine wave 1000w inverter. I have a secondary system rigged up for when we lose power (winters are harsh). I have an outlet in the living room, guest room and master bedroom. I will have 2 more outlets added by the end of this project. The solar outlets have a different shape then my normal outlets to differentiate between what is grid electric and what is solar. (solar has square plates, electric has rounded corners). We had to put a junction box up to accomodate the lines going into the house (so from the inverter to the junction box).

We recently tested the system by plugging in our 48" flat screen tv and dvr. 5.5 hours later, it was still going strong but I was tired and wanted to go to bed. There were no artifacts (lines in the tv screen, scrolling etc.) on the tv at all. I switched the tv and dvr back to electric and went to bed but left the inverter on to draw any more power that the batteries had in them (we were trying to drain the batteries and see how long it would take for 2 panels would recharge 3 batteries.) but alas, when we woke up in the morning, the batteries still had 1/2 charge on them. The next day it snowed and the panels still charged the batteries to 3/4 full. I expect that they will be full today as it is sunny and clear.

Another great thing about solar backup vs. generator backup... no noise, no smoke, and no gas needed. Downside is that you cannot deploy the whole house, you have to be very aware of what you use... nothing with high amp draw like an oven, water pump or hot water heater. We bought three 8w lightbulbs that put off 40 lumens of light...expensive compared to a regular lightbulb but hopefully we will never have to replace them in our lifetimes! We also bought many rechargeable batteries so that we can spread around the power! Good luck to all.
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on July 7, 2012
The Application: I bought this solar panel to power a pump to move water from a spring fed well to my pond. The complete setup includes this panel plus a 12 VDC pump (which draws 3.5 amps), a controller, a 40 Ampere hour 12 volt battery, and a float switch. The panel, battery, and pump connect to the controller which directs power from the panel to the battery and the pump. The float switch turns the pump on when the water level is high and off when it is low. The battery provides power when the panel does not produce sufficient power (e.g., at night). When the panel produces sufficient power the controller directs power to charge the battery and to the pump when it is running. When the pump is not running the controller directs panel power to charge the battery.

Shipping: With the free shipping option I received the panel in seven days. It was well packaged. The box had some shipping damage but the panel was OK.

Performance: The panel is well designed with solar cells packed densely so they produce 100 Watts of power with minimal overall panel dimensions. I set the panel in direct sun to test the no load voltage. (It was 8:00 AM local time.) The no load voltage with the cold panel was 21.6 volts. As the panel heated from the incident morning sun, the no load voltage dropped to 21.3 volts. This is to be expected. Later I moved the panel into my barn where it was not illuminated by the sun but only by light that scattered in from the barn door. I was surprised to see it still produced over 15 volts.

At 8:00 AM the next morning I connected the panel to the controller at the spring (with it laying flat on the ground). It produce sufficient power to charge the battery and run the pump. After sunset at 8:00 PM I checked the system and found the panel was still producing power sufficient to run the pump. I switched the pump off and the panel still produced charging power to the battery. So it is working better than I had expected.

If you buy this panel I recommend you also buy solar panel connectors and the connector disconnect tools which are also available on Amazon. Without the connectors you would have to cut the existing connectors off and replace them with other connectors. Obviously, this would void the warranty. The connectors are very difficult to disconnect without the tools. Together the connectors and tools cost about $25.00. Yes, its a ripoff, but best to pay it to avoid problems.

Conclusion: The panel works very well and produces more power at lower light levels than I expected. The only remaining question is how it performs after a long period of time. But based on these early results I whole heartedly recommend this panel.

Update 8/2/12: Have had this running the pump for a month now and is working perfectly. My recommendation still holds!
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on August 6, 2011
Shipping was quick and hassle free. The panel itself is well buit and easy to hook up. (Make sure you buy the MC-4 connectors)
Best of all the thing puts out a lot of power! Even after sunset and in overcast conditions it continues to charge (Long after my old panels stopped working) I am able to run alot of electric equipment for a lot longer than my old panels.
Bottom line: It was quick, easy, and it works extremely well. I highly recomend this product.
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on April 23, 2017
I purchased this panel back in June of 2011, making my panel almost six years old. Last week, I decided to test the panel to see if it was still performing to specifications. It is! I'm still seeing a maximum working current at slightly under six amps with a working voltage at 19VDC. I'm pleased it continues to operate according to specifications for a new panel. I bought two more last week to expand my camper's DC electrical system as I'll be living full time in it for the next one or two months.
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on June 17, 2011
I have no complaints. The panel arrived in a timely manner undamaged by fed ex (I was most surprised by this). I had to build a rack for the panel. Since it had mounting holes in the aluminum frame this was a peice of cake. The monocrystaline panel is productive way past the peak hours of solar production. I have found that if the sun is out, it produces around 14 volts. During peak hours you're looking at 15.5 to 16 volts constantly, that is until the sun wanes.

All in all I can't really find a downside to the Instapark product.
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on November 16, 2012
These panels are great! Well made, sturdy, very high quality materials, and they put out good power. The 100W rating is misleading, however. I live in South Florida, and in the direct blazing noon-day sun with a dead battery, this panel puts out about 80W instead of the 100W promised. It IS close to the winter solstice, so that might be part of the problem. I bought 3 of these panels, and they all perform identically. On the otherhand, on a very dreary cloudy day they still put out about 12W each (about 1A @ 12V)throughout most of the day. I think that's pretty good, but I'm no expert. I have my 3 panels hooked up on a moveable pivot that keeps them pointed directly at the sun as it arcs through the sky. If I just mounted them facing due south then my output waxes and wanes, with the peek at noon of course, but even there the output is decent... ranging from a low of 36W in early and late day, and 80 at midday. The reason I say you are going to need a lot of these panels is that at only 100W each, it takes about 2 days to fully charge two 625 deep cell marine batteries to full. That small of a charge isn't enough to run much in terms of household appliances. It might do one load of laundry, or run the fridge, but forget running a D/W or anything with a heating element. It will die in 40 min or so. SO the moral of the story is if you want a very high quality panel this is it... but remember, they only put out power equivalent to a 75W bulb at peak sunshine, and it takes a lot more than that to actually do anything with it. If you want to run your pump or fridge in emergencies, buy at least 3 and maybe 5 batteries, but to actively run appliances in your home, you will need about 10 panels... and that is pretty costly. Now, comparing them to the amorphous panels, they are FAR better and worth the money. I have only had them a short time, but all the reviews I've read tell how the amorphous panels lose their output in a few months. The monocrystaline panels are supposed to last for years without degrading... so we shall see. I will update this review when I've had them for a while.
-----UPDATE-- 4 years later, and they are still going STRONG! Zero degradation in power output! I have them now on the roof of my RV, and I run the whole rig on solar power. I have 4 car batteries hooked up in parallel, and that is enough to run everything, even my AC which is 30 amps. It kills the batteries quick (40 min) but long enough to really cool it down in a hurry, and then I use fans. Could not be happier with these panels.
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on April 5, 2014
I'm using this to recharge a battery in my small camper. With this charger installed I'm able to camp unplugged for a week or more at the time without running the truck engine to recharge. My FourWheel Hawk is small and uses LED lighting, a small water pump, and occasionally a forced air furnace and the battery never got below 1/2 full. Recharges at very low light levels.
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on January 17, 2014
I think it is little over rated product. It doesn't perform so great in cloudy or reduced light condition as some reviews states on web. I did expect more. The workmanship is also nothing to brag about. It appears the sealer compound was applied with left hind foot by unskilled worker. I like the elegant appearance of black frame and black glass. Low weight and dimensions were also factor in my decision to buy.
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on March 26, 2012
Met Expecations:
The items was shipped well and had no damage when arrived. I have a bank of QTY 4 of 12V Deep Cycle Sealed Batteries that are constantly topped off. My charge controller handles the charging management and I can see the PV Array voltage and amperage from the charge controller digital diplay. I wouldn't necessarily put 100 of these panel on my roof but would puchase several for a decent array. I have had this panel for about 3 months and am looking to purchase another. Thank you.
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on August 15, 2017
Have had it running for 4 years No Problems
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