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265-Watt Polycrystalline Solar Panel (4-Pack)
  • Grape Solar
  • Model GS-P60-265x4
  • Internet #206365811
  • Store SO SKU #

265-Watt Polycrystalline Solar Panel (4-Pack)

$1,319.22 /each
Discontinued Model:

Model # GS-S-265-Fab1x4

Internet #205481289

Grape Solar 265-Watt Mono-Crystalline Solar Panel (4-Pack)
0855172003560

Discontinued Grape Solar

265-Watt Mono-Crystalline Solar Panel (4-Pack)

Frequently Bought Together

Product Overview

The Grape Solar 265-Watt Mono-crystalline PV Solar Panel bonus pack bundles 4 Grape Solar 265-Watt solar panels for extra savings. The included GS-S-265-Fab1 uses high efficiency solar cells (approximately 18%) made from quality silicon material for high module conversion efficiency and long term output stability and reliability. Virtually maintenance free. High transmittance, low iron tempered glass for durability and enhanced impact resistance.

  • 4 Grape Solar GS-S-265-fab1 bundled together for extra savings over ordering them one at a time
  • Positive power output tolerance from 0% to +3%
  • Outstanding electrical performance under high temperature and weak light environments
  • Can withstand snow and wind loads greater than 50 lbs. per 2 ft.
  • Unique frame design for easy installation
  • Rigorous quality control to meet the highest international standards
  • Positive and negative leads equipped with MC4 connectors
  • When charging 12-Volt battery systems with this panel, an MPPT charge controller must be used


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Customer Questions & Answers

6 Questions14 Answers

Customer Questions & Answers

265-Watt Mono-Crystalline Solar Panel (4-Pack)
265-Watt Mono-Crystalline Solar Panel (4-Pack)

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4 answers

Is the total wattage 265 or is it 1060 or in other words are the panels 265 each?

This question is from 265-Watt Mono-Crystalline Solar Panel (4-Pack)
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October 12, 2014
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Asked by
Southwestern VA
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February 10, 2015
Answer: 
Each panel is rated at 265 watts. The four panel package is rated for 1,060 watts. Please remember the rating is based upon ideal conditions, meaning clear sky during the summer with the panels placed at the correct angle to the sun for your location.
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Asked by
Dallas TX
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Home Improvement Profile: Professional
October 24, 2014
Answer: 
265 is the STC or Standard Test Condition of a solar panel. It is a lab specification which a user will never experience. What you want to look for is the PTC rating of a panel which is real world application specification made by a 3rd party testing agency and the PTC for this panel = 236 watts. It is clearly stated in the panel specification. Hope that helps.
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Asked by
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October 24, 2014
Answer: 
The total wattage is 1060, but remember that this is only under test conditions in a lab (sort of like the mileage figures you see on car window stickers).
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October 14, 2014
Answer: 
Each panel is rated at 265W, so that total wattage for a four pack would be 1060W.
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2 answers

Is it better to wire the panels for maximun volts or max amps.

This question is from 265-Watt Mono-Crystalline Solar Panel (4-Pack)
Asked by
Pa
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May 6, 2015
Two 265 watt panels in parallel or two in series ? I have a MPPT controller.

thanks.
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May 8, 2015
Answer: 
Hi Denny,
As long as the voltage limit of your charge controller is greater than than 80 V (assuming a 12 volt battery), you can have two panels in series. If it is less, they must be in parallel. Series connections improve the voltage loss over a long cable run, but parallel connections improve panel performance if there is partial shading. The panels will function in either configuration, your final Read More
Hi Denny,
As long as the voltage limit of your charge controller is greater than than 80 V (assuming a 12 volt battery), you can have two panels in series. If it is less, they must be in parallel. Series connections improve the voltage loss over a long cable run, but parallel connections improve panel performance if there is partial shading. The panels will function in either configuration, your final choice will depend on the controller specs and the physical layout of the panels. Please call 1-877-264-1024 with any further questions. Read Less
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Asked by
Southwestern VA
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Home Improvement Profile: DIYer
May 7, 2015
Answer: 
The answer depends upon the input voltage and amperage rating of your MPPT controller. Usually the max amperage input of the MPPT controller determines how the panels are wired together. I wired my panels together in two sets of two panels wired together in series, then the two sets wired together in parallel so that the max amperage did not exceed the capacity of my MPPT controller. See the attached Read More
The answer depends upon the input voltage and amperage rating of your MPPT controller. Usually the max amperage input of the MPPT controller determines how the panels are wired together. I wired my panels together in two sets of two panels wired together in series, then the two sets wired together in parallel so that the max amperage did not exceed the capacity of my MPPT controller. See the attached diagram. Hope that helps. Read Less
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2 answers

Besides the four pack of solar panels, what do I have to purchase to mount them on my roof and hook up to the grid?

This question is from 265-Watt Mono-Crystalline Solar Panel (4-Pack)
Asked by
Montgomery, AL
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March 17, 2015
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Asked by
Southwestern VA
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March 18, 2015
Answer: 
A lot of 'stuff' would be needed and it depends upon the answer to many questions. Do you have a south facing roof? What kind of roofing material do you have on your roof? Asphalt shingle, tile, metal etc?
You said you wanted to tie into the grid, and by this I assume you mean to sell the power generated from the solar panels back to the utility who presently supplies you with power. Does your electric Read More
A lot of 'stuff' would be needed and it depends upon the answer to many questions. Do you have a south facing roof? What kind of roofing material do you have on your roof? Asphalt shingle, tile, metal etc?
You said you wanted to tie into the grid, and by this I assume you mean to sell the power generated from the solar panels back to the utility who presently supplies you with power. Does your electric company allow this? Some do not. You need to call them and ask if they do and what kind of house meter and interconnections do they require. Often they require you to use a licensed electrician to do the entire installation.
You need to start there and move forward. Read Less
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March 17, 2015
Answer: 
You would be better off getting a complete kit through a Home Depot ProDesk. The complete kit would include panels, micro inverters, cables and mounting hardware. A kit like this would require installation by a licensed electrician.
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2 answers

Hi... I live in St.Lucia (Caribbean) how many hours of power can I expect from this unit?

This question is from 265-Watt Mono-Crystalline Solar Panel (4-Pack)
Asked by
St. Lucia, West Indies
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January 8, 2015
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Asked by
Southwestern VA
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Home Improvement Profile: DIYer
February 10, 2015
Answer: 
There are many websites out there with solar calculators you can use to figure out how many hours of sun on average you can expect. Google 'solar calculators' and try several to make sure you are getting consistent answers. Considering how near the equator you are I suspect the answer is "LOTS". :-)
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January 13, 2015
Answer: 
In an off-grid system, panels produce power that gets fed onto a battery bank. The hours of power depends on how much power you use. This is a very complicated question that requires more information in order to give you a useful answer. For more information contact support@grapesolar.com.
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Customer Reviews

Rated 3.0 out of 5 by 5 reviewers.
Rated 5.0 out of 5.0 by Quality panels at an excellent price. I went directly to Grape Solar's website for more detailed product information. Once I was ready, ordering via Home Depot was quick and easy. The panels were delivered within 10 days of my order and were shipped on an oversize wood pallet with a wood frame around the sides and top in addition to heavy cardboard all around. The panels themselves were held securely together but slightly separated by plastic inserts on all corners. The delivery company was efficient and careful with no damage what-so-ever. These are high quality panels with surprisingly heavy aluminum frames pre-drilled for mounting brackets and grounding straps. The MC4 male and female connectors on each panel were high quality, an area where many panels manufacturers skimp. I elected to use the Grape Solar mounting racks and hardware that were designed to work with these panels and found them to also be of very high quality. In addition, since I wanted to mount the racks so as to be able to change the angle for higher efficiency in the winter, I called Grape Solar directly and explained the problem. They asked some basic questions about what I had already purchased and the current angle of my roof, then designed the tilt leg package best suited for my needs and transmitted the info to my local Home Depot. HD called me the next day with the pricing. I ordered over the phone and the package was delivered within 10 days. Same high quality pieces as the original racking system. I even got back to Grape Solar with some additional questions and a request for more info and received everything I needed within a few hours via email. Once I had the entire system installed and the panels mounted at an angle close to optimum I was very surprised to find I was getting over 950 watts from these panels in late December, the shortest daylight of the year with the weakest sun at the lowest angle to the horizon. Considering the power I was getting under the worst conditions (listed full power is 1,060 watts under ideal conditions) I fully expect to get the full rated power or more during the summer. I can't tell you how pleased I am with Grape Solar for their quality customer service and their patience with several requests for more info either via phone or email. They always responded quickly and with everything I needed. Home Depot also did a great job, particularly with the tilt leg special order. The local store even followed up with a phone call a few days after delivery to make sure all was well. I have seen bad or even middle of the road solar panels and these are not them. These Grape Solar panels have exceeded all my expectations and then some. Bravo Grape Solar and Home Depot. I will be back in a few months for another order. Thank you. February 10, 2015
Rated 4.0 out of 5.0 by Overall a good product for the price Nichola does not know what they are talking about. If he/she had actually read the specs would know Vmp =31.2 volts, Imp = 8.5 amps and Pmax = 265 watts. 31.2 volts x 8.5 amps = 265 watts. Keep in mind that is the STC rating which is a lab rating the user will never experience. Read a little further and like all good manufactures will list the panels PTC rating which is th ereal world application and what the user should expect and base all calculations on. PTC = 236 watts and efficiency = 19% which are honest real numbers. I use these panel on my ham radio shack and very pleased. I am also a professional electrical engineer and use these panels. They are not top of the line by any means, but they are good panels. good warranty, good value, and will serve there intended function just fine. October 24, 2014
Rated 2.0 out of 5.0 by Inferior quality The panels arrived on wood grate packaging, the top wood boards were loose, what explains the scratching on the glass of the top panel. The output wattage of the four panels, when connected to load, is less than 700 watts, I wonder whether the scratching on one panel is to blame. The surface of the panel is not as flat as that of similar size panels from other brands. February 4, 2015
Rated 3.0 out of 5.0 by These really are 265 watt panels. Vmpp and Impp are listed, not Voc and Isc. The other review stating that the power has been calculated incorrectly is wrong. The Vmpp and Impp are listed and are 31.2V and 8.5A, so the power at that point on the VI curve really is 265 watts. It looks like the reviewer assumed the voltage and current given were Voc and Isc. October 24, 2014
Rated 1.0 out of 5.0 by Power output rating is wrong The power rating for these panels are completely bogus they would have to be 41% EFFICIENT IN ORDER TO DELIVER WHAT THEY CAN DELIVER. They used the short circuit current multiplied by the open circuit voltage to rate the panels which is completely wrong. October 20, 2014
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