Model # GS-S-105-Fab8

Internet #202960004

Grape Solar 105-Watt Monocrystalline PV Solar Panel for RV's, Boats and 12-Volt Systems-DISCONTINUED

Discontinued Grape Solar

105-Watt Monocrystalline PV Solar Panel for RV's, Boats and 12-Volt Systems-DISCONTINUED

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Product Overview

The Grape Solar 105-Watt Monocrystalline PV Solar Panel uses high efficiency solar cells (aprox. 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.

  • Positive and negative leads equipped with watertight MC4 connectors
  • Outstanding electrical performance under high temperature and weak light environments
  • 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

  • Solar Energy Components

  • Shop all Solar Chargers, Controllers, and Inverters

Info & Guides

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Name 15-Watt Solar Battery Charging Kit 105-Watt Monocrystalline PV Solar Panel for RV's, Boats and 12-Volt Systems-DISCONTINUED Nomad 20-Watt Portable Solar Panel 100-Watt 12-Volt Monocrystalline PV Solar Panel
Brand Sunforce Grape Solar Goal Zero Ramsond
Ratings (19) (20) (2) (3)
Included Charge controller Charge controller Mounting hardware
Features Portable Portable Portable Portable
Application Boat,Cabin,RV,Shed Boat,Cabin,Camping,Hiking,RV,Shed,Vehicle Boat,Cabin,Camping,RV,Shed,Vehicle
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Panel Height (in.)
1.57 in
Panel Width (in.)
Panel length (in.)


Amperage (amps)
Number of Panels
Panel weight (lb.)
Solar panel type
Voltage (volts)
Wattage (watts)

Warranty / Certifications

Manufacturer Warranty
10 year limited product warranty on materials and workmanship. 15 year warranty on >80% power output and 10 year warranty on >90% power output.

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Customer Questions & Answers

Can I take off two 40 Watt Pannels and plug in two of these 105 Watt panels without any other upgrades?

I currently have a 1800 watt system with one 12 volt battery and two folding 40 watt monocrystalline panels connected to deliver 80 watts to the charging system.
Asked by: Marcie
As long as your charge controller is capable of handling the extra power then you only need to replace the panels. Otherwise, you will need to purchase and install a new charge controller. Preferably a MPPT type or if that is out of your price range the next best would be a PWM type. But most important is that it can handle the Amperage / Watts you are sending to it from the panels.
Answered by: chayes6942
Date published: 2015-09-20

Can I get a 110 volt inverter for this?

Asked by: Dave
I have seen solar panels used with a Buck/Boost Converter and then an inverter. This eliminates the needs for a battery and a battery charger/controller. (A Buck/Boost Converter is designed and configured to raise or lower DC voltages, as required, to output a particular DC voltage, which would be 12 volts in this case.) (Note that inverters often have a feature that they turn themselves off if voltage falls to low. That would happen every night; and possibly when clouds go by, possibly requiring a manual reset.) (Missouri Wind and Solar has a Youtube video of such a configuration.)
Answered by: JimBuck3
Date published: 2015-09-20

buying the write solar panel

which panels are the best Amorphous ,monocrystaline, or the polycrystaline for charging 12 volt batteries
Asked by: carby
With today's technology the differences in efficiency are negligible. That being said I have heard that the Monocrystaline are slightly more efficient than Polycrystaline.
Answered by: chayes6942
Date published: 2015-09-20

Is this UL listed.

Is this panel UL listed.
Asked by: Joe
Hi Johann... Yes, the Grape Solar Panels are UL Listed and have other certifications.
Answered by: Benny
Date published: 2015-09-20
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Customer Reviews

105-Watt Monocrystalline PV Solar Panel for RV's, Boats and 12-Volt Systems-DISCONTINUED is rated 4.6 out of 5 by 20.
Rated 4 out of 5 by from Happy with my purchase I bought four of these for my camper so that I could boon dock for extended off-grid camping. These four panels were enough to cover my daily use on a sunny day. I found that these were not enough on a overcast day that was fairly bright, but estimated that they would if I had two more panels. So I bought two more and they can fully recharge my batteries on all but dark overcast and rainy days. I live in the Northeast and find that I need 1.5 Amp Hours of Battery Capacity for every watt of panel. You would need perhaps 1 Amp Hour per watt if you lived in the sunny western US. My panels are mounted flat. I get about 5 amps out of them maximum so far. This is at the Spring Equinox with 12 hours of daylight. Perhaps if they were angled more towards the Sun, you could get the rated 8 amps. The build quality is good. I did notice the panels were slightly different on my second order. I would have preferred that all the panels look identical. The diamond shape separators were smaller in the second batch. I used mounting brackets made by Renolgy that I purchased on Amazon. I was not happy with those. I recommend a mount that allows tilting. If I could fit more of these on the roof of my camper I would. It is better to have too much power and not use it than not enough. A good charge controller will adjust the charging to match your batteries.
Date published: 2014-04-04
Rated 3 out of 5 by from Just the truth As ive already said dont think you are going to get 105 watts from this solar panel. Ive tested them and the best i can get is 70 watts no matter what i do. Let them say what they want but you wont see them prove it.
Date published: 2014-06-03
Rated 4 out of 5 by from 105 Watt PV Panels They are generic 24 cell panels producing around 8 Amps @ 12 VDC. These panels are the 'standard' in DIY solar arrays. They are within an inch dimensionally of the rest of the market which means one can mix and match fairly well without the array looking like a patchwork of panels.
Date published: 2014-06-03
Rated 5 out of 5 by from solar panel works great doubled my amps with panel I already have ordering was easy online and best off all free shipping
Date published: 2014-03-11
Rated 5 out of 5 by from 105-Watt Monocrystalline PV Solar Panel Although this solar panel is advertised for boats and RV's for the most part, I purchased this for use at home, mounted on a pole in the back yard. I needed something with a smaller profile but with more wattage than the 45 watts offered by the Harbor Freight panels.
Date published: 2014-06-17
Rated 5 out of 5 by from Part of a larger purchase. Caught these on sale. Most excellent. The description needs to detail the additional MC4 connectors you will need to install and it would be nice if Home Depot carried them.
Date published: 2014-07-01
Rated 5 out of 5 by from great bargain Better quality than one would expect from the price. As good a build as panels costing much more.
Date published: 2014-03-26
Rated 5 out of 5 by from Grape Solar 105 Watt PV Module Well, this the second module I purchased, the first arrived with the glass shattered. Return and reorder was painless. Just went to local store. I have purchased 100 Watt modules from Grape Solar in the past, but they no longer make the ones I purchased. The 105 Watt module has slightly higher current output, but not enough that i can't place it in series with the 100 Watt modules. Quality seems good, comparable to other modules I have used. Says it is American made, but I suspect the cells are made in China. No instructions with it, but it is plug n play.
Date published: 2014-08-05
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