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Sunforce 50180 80W Solar Charging kit

List Price: $599.99
Price: $324.00 & FREE Shipping. Details
You Save: $275.99 (46%)
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80 Watt
  • Made of durable ABS plastic and amorphous solar cells
  • Amorphous panels work in all daylight conditions and even on cloudy days
  • Maintenance free and easy to install
  • Built-in blocking diode protects against battery discharge at night
  • Includes 7 ampere charge controller and 300 Watts power inverter
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Frequently Bought Together

Sunforce 50180 80W Solar Charging kit + Cobra CPI-A4000BC 4-AWG Heavy-Duty AC Power Inverter Cable Kit
Price for both: $349.13

Buy the selected items together

Product Information

Size: 80 Watt
Technical Details
Item Weight65.2 pounds
Product Dimensions35.8 x 16.5 x 13.2 inches
Item model number50180
Manufacturer Part Number50180
Additional Information
Best Sellers Rank #228,967 in Automotive (See top 100)
Shipping Weight65.2 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableJuly 20, 2012
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Product Description

Size: 80 Watt

Perfect for cabins, recreational vehicles, remote power, back-up power, 12 Volt battery charging and more, this kit comes with everything you need to start producing up to 80 Watts/5.33 ampere of clean, free power in all weather conditions.

Customer Reviews

I just got my panels and they work very well.
Our goal now is to run just some items on a day to day basis rather than having this as a simple back-up power supply.
tc in tc
I would recommend for anyone wanting to learn and get started.
Darryl Hatfield

Most Helpful Customer Reviews

1,861 of 1,906 people found the following review helpful By TommyCel on May 9, 2010
Size Name: 60 Watt
I purchased two of these kits (8 panels) and mounted them on the top of my RV. I have had them on the top of my RV now for approximately 8 months.

When I received the units, I tested each of them for the open voltage measurement noted in the instructions with a digital meter and found each to be producing 21 volts unloaded. Encouraged that the panels were working properly, I went ahead and took the time and expense to mount them to the top of my RV.

After 8 months, here's what I found:

First of all, the 15 watt, 1 amp peak output rating that Sunforce advertises is not correct. The peak output rating for each of these panels should have been advertised at approximately 750 milliamps per panel. The total peak output that one could typically expect from the 4 panels in this kit would be around 3 amps. 3 amps under perfect conditions.

I have noticed that the boards are extremely prone to large drops (upwards of 45%) in current output when they begin to heat up. In other words, the boards are VERY intolerant to high temperatures. But even under perfect conditions, the 8 panels that I have mounted on my RV only produced 6 amps, and I am in Hawaii.

Another problem: The boards shut down in lower light situations. In other words, early morning and later afternoon lighting, significant cloud cover, or other low light situation will be cause for either a total shut down of output, or the boards will be very poor performers - in the low milliamps for 8 panels in parallel.

Within a very short period of time (about 4 months) the output from the panels gradually decreased by nearly 50%. And right now I am getting about 40% of the advertised peak output in perfect conditions.
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1,005 of 1,044 people found the following review helpful By HMMWV VINE VOICE on January 20, 2008
Size Name: 60 Watt Verified Purchase
*Update* 6-2010, while my original panels are still running strong so long as I hose them down once a month, I've noticed that the PVC pipe provided to hold them in place has become brittle with sun exposure, hence I would now in 20/20 hindsight recommend a coat of Krylon Fusion Dover White Plastic Satin Spray Paint on the PVC parts to prevent UV cracking later in life. I do not think the Krylon Fusion product was available when I first setup my first panels but UV cracking of the support structure could cause panel damage in years 2 and 3.

Meanwhile Amazon got their hands on some obsolete & discontinued Sharp panels (12.5% efficiency vs the new 13.1% efficiency) - if you are serious about needing lots of solar power in a small space, this is a big kit - you can view it here: Sunforce 39126 246-Watt High-Efficiency Polycrystalline Solar Power Kit

My only concern about the kit is that due to the new panels being higher efficiency means it will be difficult to match panels if you find you still need more power later on. The other con on that system is it's price -- $1300+ but you get the wattage, along with a cheap charge controller and inverter, both of which could be upgraded for better system performance. It's just another solar system to consider in the $5/watt or less pricepoint for DIYers.

Update 9-18-2008 - Still going strong. I am very pleased with the summer power output of these panels. I wash them with a hose 1x/mo to keep the output current up.
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462 of 478 people found the following review helpful By Michael on January 6, 2008
Size Name: 60 Watt Verified Purchase
The panels are installed on my garage roof, wired in to a battery bank and inverter which primarily functions as a very large (4KW) uninterruptible power supply for the house. So far, everything is working fine. They keep the batteries topped off without using power from the grid.
Like most manufacturer's specs, the 60 watt claim is hard to realize. The panels' current output is about 3.2 amps under bright sun, which yields only about 45 watts into a 12 volt gel cell battery at 14.2 volts. The panels can output about 20 volts which would indeed yield 60 watts, but not while connected with the included charge controller. A MPPT controller would achieve 60 watts, however.
The included controller is acceptable in that it works as advertised. One good thing about it is that it does not shunt the panels when the battery is charged, it actually opens the circuit, which means the excess panel output would be available for other uses. I intend to build another device for charging another set of batteries after the primary set is charged.
The included inverter works, but I did not use it in the system. Instead, I'll just keep it around for a portable inverter.
Also, I did not use the PVC pipe stand included with the system, instead mounting the panels directly to the roof.
The kit did include a variety of connectors allowing use with cigarette lighter plugs and jacks, alligator clips, and hardwire, but the charge controller is only usable if hardwired. I strongly recommend the charge controller be used, as the panels can easily overcharge most any 12 volt battery if a charge controller is not wired in.
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Most Recent Customer Reviews