Model # GS-P-280-Fab1

Internet #202959966

Store SO SKU #404953

Grape Solar 280-Watt Polcrystalline Solar Panel-DISCONTINUED
0855172003218

Discontinued Grape Solar

280-Watt Polcrystalline Solar Panel-DISCONTINUED

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Product Overview

The Grape Solar 280 Watt Polycrystalline PV Solar Panel uses high efficiency solar cells (aprrox. 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.

  • Outstanding electrical performance under high temperature and weak light environments.
  • Positive power output tolerance from 0% to +3%
  • Can withstand snow and wind loads greater than 50 lbs/ 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 12V battery systems with this panel, an MPPT charge controller must be used


  • Solar Energy Components

  • Shop all Solar Chargers, Controllers, and Inverters

Specifications

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Warranty / Certifications

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Customer Questions & Answers

i want to run 32 watt shop lights.what do i need besides just the panel?

I have no electricity in the shop.i'm in millbrook ,al. 36054
Asked by: tdw2676
You need batteries, charge controller, and an inverter. These panels are most efficient on a 24 volt DC system, and still require a DC to AC inverter
Answered by: verdigo
Date published: 2015-09-20

do i have to use a charge controler with my 24 v battery pack

if so where can i obtain one
Asked by: Anonymous
Without knowing the specifications of the battery its hard to say but typically 24 volt lead acid batteries can be damaged with prolonged charging at high voltage, and this panel in low ambient temperatures can exceed 36 volts. In addition if a battery is overcharged for an extended period it can catch fire. A quality mppt charge controller will make the most efficient use of this solar panel.
Answered by: verdigo
Date published: 2015-09-20

Is mounting hardware available through Home depot?

Asked by: Jeff
Yes, we can provide mounting hardware. If you send an email to support@grapesolar.com and tell us how many panels you want to mount and what kind of roofing material (or structure) you plan to mount to, we can make a recommendation.
Answered by: Grape Solar Expert
Date published: 2015-09-20

Where are the Grape panels manufactured?

Asked by: Anonymous
They are manufactured in China.
Answered by: verdigo
Date published: 2015-09-20
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Customer Reviews

280-Watt Polcrystalline Solar Panel-DISCONTINUED is rated 5.0 out of 5 by 7.
Rated 5 out of 5 by from Plenty of power Two of these panels are giving us as much power as our tracker array of 10 panels. Yes, the panels on the array are smaller and around 14 years old, but doubling our power with just two of these guys is a boon for us. I used to have to run the aux generator when working in my shop making Laughing Crow Flutes, but now the generator sits idle most of the time, saving us gasoline and wear and tear on "Gennie". We plan to upgrade the array on the tracker with 4 more of these panels after winter and up the wattage to three times the power we had before starting the upgrade. We live in an Earth Ship outside Taos New Mexico, so almost all our power comes from solar. We have back up generators for the dark days, but even on a cloudy day, we're getting up to a good 100 watts from the two new panels. When the skies are clear and the sun is overhead, we're cooking. The price is comparable to all the other options and the free shipping is a plus. We're very pleased with the results.
Date published: 2013-12-10
Rated 5 out of 5 by from 280watt polycrystalline panel Panel is great , I use with tie grid inverter , takes longer time to get it , but made very good .
Date published: 2013-08-04
Rated 5 out of 5 by from Took 2 weeks to recieve but worth it Bought 2 of these for boon docking in my RV. Only complaints I have is packaging is pretty sad and it took 2 weeks to be received. Surprisingly did come without damage as the panels were only protected by a thin sheet of cardboard. HD was very helpful in tracking packages as they come factory direct through a company called estes express. These panels do weigh about 80 lbs apiece so keep that in mind when ordering.
Date published: 2014-03-31
Rated 5 out of 5 by from Solid construction and easy to install Works as advertized.It powers my camper battery bank with power to spare.
Date published: 2013-07-08
Rated 5 out of 5 by from High output on a cloudy day output V. was 8V. & 1.8 A on a very,very cloudy day.The third day was very clear & bright.The PV provided 7.7 amps at 48 V.Burned out my small 12 volt battery charging controller.Unless my meter was defective, this unit was providing 369.6 watts to the controller & 6 12V batteries.I`m going to need a much larger controller.
Date published: 2012-12-25
Rated 5 out of 5 by from Out performs its specifications I currently have four of these, and according to current and voltage numbers generated from the charge controller I have seen up to 380 watts produced in full sun with ambient temps in the mid seventies. I will probably buy more.
Date published: 2014-04-25
Rated 5 out of 5 by from Mounted on VW camper for backwoods camping & Festivals The best thing is that Home Depot can ship these for 50 bucks. If only buying one panel many places charge 50% of cost for shipping.
Date published: 2012-10-20
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