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frontpageiconian | Staff posted May 01, 2026 07:39 AM
frontpageiconian | Staff posted May 01, 2026 07:39 AM

100W ECO-WORTHY 12V or 18V Monocrystalline Solar Panel

+ Free S&H

$31

$50

38% off
AliExpress
126 Comments 33,775 Views
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Deal Details
Update: This very popular deal is still available.

ECOWORTHY-US Store via Aliexpress has 100W ECO-WORTHY 12V or 18V Monocrystalline Solar Panel on sale for $33.03 - $2 w/ promo code USDEAL02 at checkout = $31.03. Shipping is free.
  • Note: You may get 2 for $58.06 ($29.03 each) when you apply promo code USDEAL8 at checkout.
Thanks to Deal Editor iconian for sharing this deal.

Note: Price may fluctuate slightly with currency exchange rates. You must be signed into your AliExpress account and have your address added to add items to your cart and place an order. You may have to manually type in the promo code to apply it at checkout. This item ships from a USA warehouse. For expedited customer service, please email [email protected].

Product Details:
  • Highly weather-resistant panels can last for 25 years supported by an IP65 junction box, impact-resistant tempered glass, and corrosion-resistant aluminum frame. Delivered under the escort of corner protectors and pearl cotton, designed to protect your goods.
  • Size: 35.24 x 23.03 x 1.4inches, weight 14.55 Lbs. Diodes are pre-installed in junction box, with a pair of pre-attached 2.95ft Cable.
  • Bifacial solar panels are designed with a transparent back of 12BB solar cells, the back panel uses composite materials, the light transmittance up to 91.5%, the conversion rate of 23%, the power generation is 858Wh per day under ideal conditions, compared to traditional solar panels, the power can up to 33%.
  • PERC technology: passivation film is used to enhance the reflection of sunlight inside the silicon base, improving the efficiency of the cells to 23%.Compared with the traditional 12BB mono panel that is only beautiful but has no actual improvement, this one achieve a win-win situation in terms of aesthetics and efficacy.

Editor's Notes

Written by RevOne | Staff
  • About this Deal:
    • Our research indicates that this deal is $34.96 less (53% savings) than the next best available price from a reputable merchant with prices starting at $65.99 at the time of this posting.
  • About this Product:
    • Rated 4.9 out of 5 stars based on over 20 customer reviews.
  • Additional Notes:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by iconian | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Update: This very popular deal is still available.

ECOWORTHY-US Store via Aliexpress has 100W ECO-WORTHY 12V or 18V Monocrystalline Solar Panel on sale for $33.03 - $2 w/ promo code USDEAL02 at checkout = $31.03. Shipping is free.
  • Note: You may get 2 for $58.06 ($29.03 each) when you apply promo code USDEAL8 at checkout.
Thanks to Deal Editor iconian for sharing this deal.

Note: Price may fluctuate slightly with currency exchange rates. You must be signed into your AliExpress account and have your address added to add items to your cart and place an order. You may have to manually type in the promo code to apply it at checkout. This item ships from a USA warehouse. For expedited customer service, please email [email protected].

Product Details:
  • Highly weather-resistant panels can last for 25 years supported by an IP65 junction box, impact-resistant tempered glass, and corrosion-resistant aluminum frame. Delivered under the escort of corner protectors and pearl cotton, designed to protect your goods.
  • Size: 35.24 x 23.03 x 1.4inches, weight 14.55 Lbs. Diodes are pre-installed in junction box, with a pair of pre-attached 2.95ft Cable.
  • Bifacial solar panels are designed with a transparent back of 12BB solar cells, the back panel uses composite materials, the light transmittance up to 91.5%, the conversion rate of 23%, the power generation is 858Wh per day under ideal conditions, compared to traditional solar panels, the power can up to 33%.
  • PERC technology: passivation film is used to enhance the reflection of sunlight inside the silicon base, improving the efficiency of the cells to 23%.Compared with the traditional 12BB mono panel that is only beautiful but has no actual improvement, this one achieve a win-win situation in terms of aesthetics and efficacy.

Editor's Notes

Written by RevOne | Staff
  • About this Deal:
    • Our research indicates that this deal is $34.96 less (53% savings) than the next best available price from a reputable merchant with prices starting at $65.99 at the time of this posting.
  • About this Product:
    • Rated 4.9 out of 5 stars based on over 20 customer reviews.
  • Additional Notes:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by iconian | Staff

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Top Comments

Robika
479 Posts
155 Reputation
I have 2 of these and 4 of the monofacial. They all put out right around what they're supposed to. Bifacial, of course, does a bit better. This is a great price, even better than the deal I posted a few weeks ago.

I'm getting 2 more to complete 2 parallel strings of 48V.

Better deal if you buy 2 and use code CDUS08 for $8 off.

And yes, I trust AliExpress, like I said I have 6 panels from them already and they all work perfectly fine. Only mentioning for those that are on the fence about buying from AE, cuz I know there are a lot of AE haters out there. And no, I'm not a shill.
FairPassenger4373
61 Posts
10 Reputation
Serial is not ideal if you have shading. Parallel works better. If you have 4 panels in a series and 1 panel is partially shaded, the entire string is held back by that 1 panel. Since at the combined voltage, it'll only output the number of amps that shaded panel can put out. Which isn't much. You can increase output by fully covering that shaded panel so that it drops out and the charge controller adjusts to the lower voltage. With parallel that doesn't happen. The other 3 panels will still be going full bore. So I parallel when I can. Serial only if I have to.
jdfetterman
831 Posts
311 Reputation
The 100w panels keep getting cheaper and cheaper. I'd like to see larger panels come down like this.

127 Comments

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May 01, 2026 02:30 PM
33 Posts
Joined Sep 2025
VisionJDMay 01, 2026 02:30 PM
33 Posts
I have an array of 9 x 100w monofacial Eco-Worthy panels. I've had them up for a couple of years now with absolutely no issues whatsoever.
May 01, 2026 02:41 PM
5 Posts
Joined Apr 2026
MellowGazelle377May 01, 2026 02:41 PM
5 Posts
Looks good. I might have to grab one of these. Thanks!
May 01, 2026 03:15 PM
178 Posts
Joined Dec 2010
everlast556May 01, 2026 03:15 PM
178 Posts
12v vs 18v? What's the advantages / disadvantages of the two?
May 01, 2026 03:34 PM
570 Posts
Joined Dec 2009
BlueSeaLakeMay 01, 2026 03:34 PM
570 Posts
Quote from jdfetterman :
The 100w panels keep getting cheaper and cheaper. I'd like to see larger panels come down like this.
Nice to see.
May 01, 2026 03:54 PM
28 Posts
Joined Dec 2015
snowfocus8May 01, 2026 03:54 PM
28 Posts
Quote from Robika :

I have 2 of these and 4 of the monofacial. They all put out right around what they're supposed to. Bifacial, of course, does a bit better. This is a great price, even better than the deal I posted a few weeks ago.

I'm getting 2 more to complete 2 parallel strings of 48V.

Better deal if you buy 2 and use code CDUS08 for $8 off.

And yes, I trust AliExpress, like I said I have 6 panels from them already and they all work perfectly fine. Only mentioning for those that are on the fence about buying from AE, cuz I know there are a lot of AE haters out there. And no, I'm not a shill.
I was one of those people who waited a long time to try AE, because I thought at best it required a lot of insider knowledge to avoid scams. (And at worst it was all knockoff junk). But it's really easy to use, merch has been spot on brands, and just sticking to sellers with a lot of registered sales is all I do to avoid questionable purchases. I have had a few things messed up in the mail but the seller has always fixed it. That may take a little more time than an Amazon refund but as long as you're not trying to do last minute Christmas shopping, it's not a deal breaking lag.
Now, I've never bought anything as fragile as solar panels so we'll see how this goes. But I'm in for 2. Grab a refurb EcoFlow power station from eBay and you're basically living off-grid (as long as you only need a fan and your laptop to live)
1
May 01, 2026 04:55 PM
142 Posts
Joined Jul 2017
DavidC7604May 01, 2026 04:55 PM
142 Posts
stupid cheap for weird one off projects. probably going to order one to power pool deck lights
Pro
May 01, 2026 05:03 PM
4,886 Posts
Joined Feb 2006
Tazmania99
Pro
May 01, 2026 05:03 PM
4,886 Posts
Anyone notice that product title says 12V while product specs say 18V? Which is the correct voltage of these panels? I have 2 x 18V and would like buy more to parallel them. At worst, I can put the 12V and 18V in series, and then connect those two strings in parallel to each other.
Last edited by Tazmania99 May 1, 2026 at 10:22 AM.

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May 01, 2026 06:29 PM
292 Posts
Joined Jan 2021
TealActivity1814May 01, 2026 06:29 PM
292 Posts
Quote from Troublestylist :
Aren't 48v panels becoming more common? I got the impression they were a better choice for most residential applications since you didn't have to series them to get a better voltage
Well sure but you say that like "having" to put these in series is a bad thing. Series is just the optimal way to connect panels as high as your controller will allow, because it doesn't increase amperage and doesn't require extra connectors and fuses which you'd get into if you start paralleling things.
Last edited by TealActivity1814 May 1, 2026 at 11:36 AM.
May 01, 2026 06:34 PM
292 Posts
Joined Jan 2021
TealActivity1814May 01, 2026 06:34 PM
292 Posts
Quote from Tazmania99 :
Anyone notice that product title says 12V while product specs say 18V? Which is the correct voltage of these panels? I have 2 x 18V and would like buy more to parallel them. At worst, I can put the 12V and 18V in series, and then connect those two strings in parallel to each other.
They are 22.7 voc panels, with normal operating voltage being around 18-20v. There are no 12v or 18v of these panels. 12v usually just means it goes with like a 12v battery and a 12v charge controller.
May 01, 2026 06:50 PM
61 Posts
Joined Dec 2024
FairPassenger4373May 01, 2026 06:50 PM
61 Posts
I have 4 of these. Mine do not put out 100 watts. I think of them as 75 watt panels. I guess you have to illuminate it on both sides to hit 100 watts. My 4 100 watt Renogy panels put out 384 watts. Right next to them these 4 Eco-worthy panels put out about 250 watts. They are cheap but you get what you pay for. Now I'm looking for other panels to replace them with. Since they are taking up real estate and not producing as they should.
May 01, 2026 06:54 PM
61 Posts
Joined Dec 2024
FairPassenger4373May 01, 2026 06:54 PM
61 Posts

Our community has rated this post as helpful. If you agree, why not thank FairPassenger4373

Quote from TealActivity1814 :
Well sure but you say that like "having" to put these in series is a bad thing. Series is just the optimal way to connect panels as high as your controller will allow, because it doesn't increase amperage and doesn't require extra connectors and fuses which you'd get into if you start paralleling things.
Serial is not ideal if you have shading. Parallel works better. If you have 4 panels in a series and 1 panel is partially shaded, the entire string is held back by that 1 panel. Since at the combined voltage, it'll only output the number of amps that shaded panel can put out. Which isn't much. You can increase output by fully covering that shaded panel so that it drops out and the charge controller adjusts to the lower voltage. With parallel that doesn't happen. The other 3 panels will still be going full bore. So I parallel when I can. Serial only if I have to.
5
May 01, 2026 07:44 PM
735 Posts
Joined Oct 2009
danjayhMay 01, 2026 07:44 PM
735 Posts
What's the cheapest possible grid-tie microinverter with anti-islanding to go with these for a little balcony solar? Ideally something that can have its output set programmatically, so that I can use Home Assistant and an energy meter to keep myself from exporting
May 01, 2026 08:59 PM
292 Posts
Joined Jan 2021
TealActivity1814May 01, 2026 08:59 PM
292 Posts
Quote from volblorx :
If I have solar panels already installed on my home, could these be hooked up to the system to add more energy generation? Or would they be incompatible somehow?
Yes you can have extras hooked up to your battery system but it will very likely be in the form of all of these on a separate controller that then connects to battery. Then you can do whatever you want. But having these compatible on an existing controller that already has existing different panels is unlikely.
May 01, 2026 09:10 PM
37 Posts
Joined May 2018
AlexL2533May 01, 2026 09:10 PM
37 Posts
I plan to put it in front of the house wall that face south to mitigate the sun light damage to the wall panels

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Pro
May 02, 2026 12:08 AM
195 Posts
Joined Dec 2010
jtmoney12
Pro
May 02, 2026 12:08 AM
195 Posts
Finally, cheap DDR5 RAM ty
1

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