ECO-WORTHY 400W Solar Panels 4pcs 100 Watt 18V Monocrystalline Solar Panel Module for Off Grid PV Power for Home, Camping, Boat, Shed Farm, RV,12V Battery,2-Pack 2 * 100W
Condition: New
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
May 5 – May 9
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Style: 4pcs(2-pack)
Features
- [23% Efficiency] Daily output reaches 1600wh under the condition of 4 hours of sunlight. PERC technology boosts cell efficiency to 23% by enhancing sunlight reflection, greatly improving sunlight utilization
- [Outstanding Low-Light Performance] Each panel comes with 35-inch cables. Bypass diodes are pre-installed in a waterproof IP65 rated junction box to minimize power drop caused by shade and ensure excellent performance in low-light environments
- [The Best DIY Partner for 12V/24V System] Basic generator component for 12V/24V battery charging for on-grid, off-grid and hybrid power system for home, garden, RV, Boat and agriculture.You can also extend your existing system
- [Effortless Installation for Beginners] Lightweight panels with plug-and-play connectors, and the pre-drilled holes on the back of the panels allow for quick installation on roofs or brackets. Even if you're a beginner, you can install them quickly
- [1.38-inch Thickness Edge] At 1.38 inches thick, our solar panel offers rapid heat dissipation for stable performance, withstands harsh weather with its sturdy build, and enables easy installation thanks to the extra spaceideal for pros and DIYers alike
- [Note] The complete set of 4 panels is packed across two individual boxes for optimal protection.please kindly wait for the second one to arrive
Brand: ECO-WORTHY
Material: Monocrystalline Silicon, Low Iron Glass, Anodized Aluminum
Product Dimensions: 35.24"L x 23.03"W x 1.38"H
Efficiency: High Efficiency
Included Components: 4pcs 100 Watt Solar Panels
Efficiency: High Efficiency
Amperage Capacity: 8.33 Amps
Maximum Voltage: 12 Volts
Maximum Power: 100 Watts
Special Features: Proven Durable Quality, Durable, Feature, Versatile, Easy to Install
Connector Type: MC4
Item Dimensions L x W x H: 35.24"L x 23.03"W x 1.38"H
Material Type: Monocrystalline Silicon, Low Iron Glass, Anodized Aluminum
Brand Name: ECO-WORTHY
Included Components: 4pcs 100 Watt Solar Panels
Model Number: US-L02M100-B-4
UPC: 810127132948
Manufacturer Part Number: US-L02M100-B-4
Manufacturer: ECO-WORTHY
Item Type Name: 100w solar panel
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
May 5 – May 9
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- PayTomorrow Financing
- Financing through Apple Pay
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Top Amazon Reviews
Style: 4pcs(2-pack)
is a "DIY/semi-professional" level panel/kit that is positioned as economical, with good assembly equipment, with quality frame and glass materials, and designed for off-grid, farm, light house, etc. uses. Aluminium frames wider than usual (35 mm vs ~30 mm) which improves stiffness. Low-iron 3.2 mm glass that improves light transmission and resistance. Good wind and snow resistance in field trials. "high conversion efficiency" and good performance even under suboptimal conditions.
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Reviewed in the United States on October 19, 2025 by Danli Diago Achong
Style: 4pcs(2-pack)
I ordered 8 of these. 6 arrived a bit late (UPS Issue) the last 2 were delayed and then marked refused by me... Called UPS long story short UPS damaged them while shipping. Contacted Eco-Worthy and explained what happened. 3 days later the other 2 panels arrived. This was including a Sunday! Easter Sunday to boot! The panels arrived before I was even able to get the tracking number! I waited until Monday to ask for that. I am so impressed with their customer service! The panels are in excellent shape, appear to be great quality. I will get to test them out this weekend. My initial tests of all the panels show they are in good working condition.
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Reviewed in the United States on April 7, 2026 by Jason
Style: 4pcs(2-pack)
This was a no-brainer of a purchase. Easy to install, very reasonable price, and keeps my auxiliary power system charged very reliably. I got the brackets to screw them down to my roof, but it's a flat roof, and it doesn't get very windy where I live. so I just set them there and ran the cable down from them, and they've worked fine ever since.
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Reviewed in the United States on March 14, 2026 by Jazz-dancing Foodie
Style: 4pcs(2-pack)
I have purchased quite a number of these panels and I’m finally getting around to submitting a review. I've tested a range of panels now, including Renogy, Goal Zero, no-name brands. And these panels have generated relatively the same amount of energy as the rest. I typically expect 70% of the rated output as a performance target, and these panels had no problem reaching 70 Watts. On cold days with perfect sunshine I’ve gotten up to 90 watts, but this isn’t something I count on. The panel size and cable length is also on par with the other brands, so there isn’t much to differentiate it from them EXCEPT for the price, which is amazing. I bought these on sale for $46.50 / panel, not expecting much, but I have been very pleased with them. In comparison, the name brands are easily $120+ / panel. So cost per watt is just amazing! I’ve been using them for about a year now, without any noticeable deterioration or performance issues, so we’ll see how they do in the long run.
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Reviewed in the United States on November 2, 2025 by MrClean
Style: 4pcs(2-pack)
They seem to work well. I believe they may get more than 18v sometimes though.
Reviewed in the United States on April 7, 2026 by charleshaas94
Style: 4pcs(2-pack)
In answer to the question of “why are my solar panels underperforming their rated capacity” I have some information that you might find useful. The rated capacity of these 4 panels is 400 watts. You probably already know that panel angle and whether the weather is sunny or cloudy can have a effect on power output. What you may not know is that how you connect your solar panels to the power station can also have a huge effect. My power station is rated at having 500 watts maximum solar input power so I assumed that I should have no problem connecting it to 400 watts of solar panels, but my power station has maximum solar input voltage of 60 volts and maximum solar input current of 15 amps. Each of the 4 solar panels has normal output voltage of not more than 12 volts but a peak output voltage of 19.5 volts and peak output current of 8.33 amps. If you connect the panels in parallel (positive of one panel to positive of the next panel and negative to negative of the next panel), the peak output voltage would stay at 19.5 volts but the peak output current would be 33.32 amps which exceeds the input current capacity of the power station. The power station would reject the current over 15 amps, so power output would be reduced by a little more than half and the excessive current could damage the power station. If you connect the panels together in series (positive of one panel to negative of the next panel), the peak output voltage of the 4 panels would be 78 volts and the peak output current would stay at 8.33 amps which exceeds the input voltage capacity of the power station. Power output would be reduced by about a quarter and you would again risk damage to the power station. In this example, I should be able to maximize power output by connecting the panels in series using a solar power controller. There are two types of solar power controllers, PWN and MPPT. PWN controllers are cheaper but they only reduce the voltage without a corresponding increase in the amperage so you lose power output. The MPPT controllers cost more but they increase amperage as they decrease voltage with no loss in power output. I have ordered an MPPT controller and am optimistic of getting optimal power production.
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Reviewed in the United States on December 14, 2024 by WBD3010