Best Reviews, Buy Sunforce 39810
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Category: Misc.
Brand: Sunforce
Model: 39810
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Sunforce 39810 Reviews
Sunforce 39810 Review by V S "Developed a $6 OBD1 Handheld in 1986" (Milwaukee WI)
80 Watts/4.67 Amps = 17 volts.
Be sure to size your system appropriately to minimize voltage drop to your inverter.
Sunforce isnt the cheapest, but still a good price and a nice, solid product with a 25-year warranty.
Note: GET A SOLAR SURVEY - you might not qualify for any tax rebates if you dont get one!
Also do the math yourself. If you live on the 43rd paralell and get 4.4 sun hours per day average, do NOT place these at 43 degrees! Tilt them closer to the SUMMER sun angle. You'll get more sun in summer and less in winter, but you arent getting much in winter anyways! You'll get more yearly output (or get a tracker and not do any math)
The technology is getting better; cheaper manufacturing processes and better spectrum band as well as improvements leading to higher efficiencies. If you want better stuff, I dont know how "long" you should wait. It can only get so good, the potput isnt going to duble or anything. Laws of physics
Sunforce 39810 Review by Glenn
I bought a few weeks ago (two) of these 80-watt panels and connected them up in parallel for 160 watts, to charge (4) deep cycle 12 volt batteries (connected in parallel) that run a 3000-watt pure sign wave inverter. The 2 solar panels keep the batteries fully charged. After draining the batteries down to 10.5 volts with the inverter running for the day to my appliances, it took only 2 days to fully recharge them back to 12.5 volts. I was also pleased to see the controller that comes with these panels was regulating the current very well. As the batteries were being topped off the current dropped as it should to prevent overcharging. These panels do not need rotating to face the sun all day long. No matter where the sun is (or whatever angle the rays hit the panel), the output voltage seems to be high. Very, very efficient! Some days I got as much as 11 Amps of current from the two panels together, more than what the manual claims. Not bad! GREAT!
I know these cost more than some other panels for about the same wattage but believe me, they are worth it! And I do not work or know anyone at this company. Just be careful and handle with care, they are big and made of a glass type material. I placed them on the ground facing south and tilted up about 45 deg against my backyard fence. I found no need to mount them. Just be sure they will not move or slide down and break. I placed a 6 foot 4x4 in front and stakes in the ground to hold the 4x4 in place. We had 50 mph winds and these panels never moved. Mounting them together with the supplied brackets makes them heaver and harder for the wind to move them. Remember, if you mount them on a house, you might need a city permit!
Glenn from San Francisco
Sunforce 39810 Review by Ken Buckley (WASHINGTON, DC, US)
I am not an engineer - but I bought this inverter with a Sharp 80W solar panel and a Sunforce charge controller to provide lights in a barn. The power company wanted to charge me $200 to connect power, $25 a month connection fee, and usage It took about a 1/2 day to set things up. Of course the hardest part was installing the solar panel. Once that was done, it was very easy to connect the panel to the charge controller and to the battery. I bought a Sears Marine Battery that is charged by the panel and I run the Cobra inverter off of the battery. I run shop lights and CFC (11W) bulbs for light, radio, and low watt fan. Its great and should pay back in a year. If you have a very low power use application - then this will work.
More Reviews...
Sunforce 39810 80-Watt High-Efficiency Polycrystalline Solar Panel with Sharp Module:: Description
SHARP polycrystalline 80W solar kit that can produce 4.67 amps. Kit comes complete with a male D/C plug, mounting bracket and screws, battery clamps, voltage tester, quick connectors, and extra wiring. Ideal for boats, RV, 12v battery charging, pumps, satellite dishes, and many other uses. Easy to install, weatherproof, and allows for connecting multiple panels for more power. Unit has a 25-year warranty.
Sunforce 39810 80-Watt High-Efficiency Polycrystalline Solar Panel with Sharp Module:: Features
- Advanced polycrystalline design is highly efficient and provides superior power output
- Maximum power output: 80 Watts/4.67 Amps
- Multiple panels can be connected together for even more power
- Easy to install, virtually maintenance-free, and backed by a 25-year warranty
- Individual panel size: 21" x 48" x 2"
- Item Dimensions: 51 x 26 x 4 inches; 0 pounds
- Brand: Sunforce
- Model: 39810
- Product Type: Misc.
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