JJN Bifacial 425 Watt Solar Panel, N-Type UL 61730 16BB Solar Panels, 25% High Efficiency Monocrystalline Solar Module for 12V/24V/48V PV System for Homes Rooftop Farm RV and Off-Grid Applications
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Availability:
Only 5 left in stock, order soon!
Arrives
Tuesday, Jun 9
Set name: N-Type 425W 1pcs
Features
- [Bifacial Technology]This package contains the solar panel only. These 425W Bifacial solar panels feature a transparent backsheet design, allowing electricity generation from both the front and back, resulting in up to 25% increased efficiency compared to conventional solar panels.
- [N-Type 16BB Cells] Utilizing 16BB N-type solar cells, these solar panels offer superior efficiency and performance, significantly reducing the impact of shading compared to traditional 9BB and 10BB solar cells, ensuring reliable energy production.
- [Durable and Weather-Resistant] Built with black corrosion-resistant aluminum frame, the 425W solar panels withstand strong winds of 2400Pa and snow loads of 5400Pa. The IP65 junction box and IP68 connectors provide exceptional waterproof protection, making them ideal for outdoor use.
- [Easy Installation and Versatile Use] JJN 425 Watt Solar Panel features pre-drilled mounting holes, which enable straightforward installation and transport, suitable for a range of applications from residential rooftops to off-grid systems in RVs and boats.
- [Reliable after-sales Service] As a professional solar panel manufacturer, we provide an extra-long transferable power output warranty of 30 years. Whenever you encounter any problems, JJN Solar will provide you with professional and prompt customer service.
Brand: JJN
Material: Aluminum, Glass
Product Dimensions: 44.7"L x 1.2"W x 67.8"H
Item Weight: 51.6 Pounds
Efficiency: 25% High Efficiency
Efficiency: 25% High Efficiency
Amperage Capacity: 13.78 Amps
Maximum Voltage: 38 Volts
Upper Temperature Rating: 185 Degrees Fahrenheit
Maximum Power: 425 Watts
Special Features: rigid
Output Voltage: 31.05 Volts
Connector Type: MC4
Item Dimensions L x W x H: 44.7"L x 1.2"W x 67.8"H
Item Weight: 51.6 Pounds
Brand Name: JJN
Included Components: PV only
Model Number: AMC-400-SSP-1
UPC: 671891375258
Manufacturer: JJN
Material Type: Aluminum, Glass
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Jun 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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Top Amazon Reviews
Set name: P-Type 100W 2pcs
Overall I am satisfied with these 100 watt panels. Packaging has been consistent without any damage after I have purchased a total of 8 panels. My panels are mounted flat on top of my camper. With four panels, I have seen as much as 350 watts at a non ideal mounting angle. This is 87 watts a panel. I've since moved to 7 JJN panels on my camper. I cannot comment yet on total power output as it's been cloudy. However, if I can manage 87 watts a panel, I'm expecting 600 watts. Crossing my fingers for 700 watts. I've yet to see 100+ watts from the 100 watt panels like some reviewers. However, this could be due to angle. Mine are all wired in parallel. Lastly, I have 1 panel (8th jjn 100 watt panel) powering my seldom used shed. It getting the job done for led lighting purposes and light duty power usage. All my panels are on MPPT controllers with appropriately sized wiring and limited voltage drop. Overall, I'm happy with my panels vs price paid. I'm curious to try the 200 watt panel and maybe move my 8th 100 watt to my camper. I will update this review with any relevant information at a later date. UPDATE- 5/26/23 Installed an 8th 100watt panel. I produced 720 watts of solar power yesterday in not ideal conditions. Intermittent cloud cover, non ideal solar panel angles due to being mounted on camper roof. This is 90 percent of total advertised output. I am certain at this point that if all panels were pointed at ideal angles vs sun position, they would produce the 800 watts or more. Overall, I am very satisfied with these panels. Now off to upgrading my battery bank. Update 10/21/23 Upgraded to 10 panels (1000) watts on my camper. I am currently only able to achieve 65% of rated output. Please keep in mind that in June I was able to get up to 95% output and this is on a flat roof, no angle. I tested all my panels at 3.5 amps with a short circuit test via a fluke clamp DMM. Consistent output readings were observed. I then took 2 panels and angled them until I got max output facing the sun and achieved 5.5 amps. It's obvious that angle and direction in relation to the sun can make a drastic difference. 3.5 amps at 20 volts = 70 watts (70%) 5.5 amps at 20 volts = 110 watts (110%) It did not take voltage readings, so I'm going with a ballpark voltage of 20. However, panel angle at optimum made a difference of 63%. All this to say, the panels checked out and are working correctly. Panel angle makes a drastic difference. I will say my latest shipment of two panels I did experience slight shipping damage and the glass has light scratching. Update 3/2024. Still utilizing a non ideal angle. It is early spring in Texas (Northern Hemisphere) and the sun is not at maximum height/ angle to provide max solar power conditions. I have 10 JJN 100 watt panels, I am currently producing 810 watts out of 100 watts of panels. For a total output by percent of 81%. I suspect this may go up in late spring into summer. I will post a screen shot of my output. Which shows .81 KW or 810 watts. Still impressed and happy in 2024. Stay tuned for an additional 2 panels in the future. Update 4/19/24 Later spring now in southeast Texas. Partly cloudy day with intermittent sun. Was able to produce 980 watts (.98kw) on historic chart with an instantaneous reading of 920 watts (.92kw). This is 92% of the 1000 watt rated output with panels lying mostly flat. To give you some insight into what I am able to accomplish with this. I have a 48volt 300AH power bank of Lifepo4. I live in my camper currently full time. Fully charged at 58 volt, I have about 17.4kwh of power storage. 48 volts is not full capacity on 12voltX4 bank of Lifepo4. I run my microwave, phones, refrigerator, blow dryer, laptop, cellphone charging, vacuum, lights, tv, Xbox, PC, exhaust fan, etc off my system. I do not run my AC or water heater off solar. Future plans though. By midday on sunny day, I have completely recharged my batteries. Excellent performance. Update- 4/21/24 Cold front came in on a cloudy day, clouds broke to full sun. I was able to achieve 1060 watts (1.06KW) on ten 100 watt panels (1000 watts). This wasn't short lived as I was able to achieve 1040 watts a few minutes earlier. Typically, it would be much hotter in April here. Current ambient temperature is 62F at around 1pm. I believe this set the stage for a perfect environment of cooler temperatures and full sun . With all this being said, I was able to achieve 106% of rated power at non ideal solar panel angle. They are nearly flat and oriented North/South almost perfectly. With all this being said, I should have upgraded my review rating to 5 stars long ago. Unless the panels produce a crazy high number, this likely concludes my updates. Please don't hesitate to use these panels. Photos of all outputs have been uploaded and verified with secondary shunt based power monitor.
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Reviewed in the United States on May 22, 2023 Reviewed in the United States on May 22, 2023 by grandam888
Set name: P-Type 100W 2pcs
Very good quality panels. I can find no faults and have no suggestions for the manufacture. Very impressed with the output and will venture to say I think they are under rated. I've purchased the 200's and 400's bi-facial. They were delivered by Amazon freight and not even a scratch. I'm sure that cost JJN something more than some others that turn them over to Fedex and UPS and make you the middle man. Glad the price is good too and suspect once people get wind JJN will make up in volume.
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Reviewed in the United States on April 23, 2026 by Earnest
Set name: N-Type 200W 2pcs
200W x 4pcs in 2s2p is more efficient than 400W x 2pcs in parallel. By >10% 200W Voc = 28.1V 400W Voc = 37V These panels are really nice. The box say “High Quality Premium Solar Panel” and they do look like it. I first purchase the 400W panels from JJN and found that size and weight in physical application too much to carry up to the roof or even to move around. Now I’m set on the 200W. Because of half the weight, more manageable to move around, AND better Voc! The 400W Voc is 37.0V, while the 200W is 28.1V. Which I can connect 2 panels in series to stay within 60V of my 2048Wh portable power station. I now have 2x 400W connected in parallel and 4x 200W in 2s2p all from JJN (Best deals and functionality). The 200W’s give better wattage. Currently, it’s July and above 80F. No point in trying to see if it meet 100% rated power but they have been peaking 85%-87%. Much better than my previous panels that peak ~70%. Works well. I do get some energy while the panels are shaded, like 50W from each of the two 800W set ups. Well worth the value, customer service is pleasant to work with, delivers on time and fast, packaging is secured and protected. The positive and negative markings can be more easy to read but the plugs made it hard to connect it wrong. Easy to install. JJN, I’m looking for bulk deals on 24pcs of 200W panels! Make more of these please!
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Reviewed in the United States on July 8, 2025 Reviewed in the United States on July 8, 2025 by Huy
While they work properly and as advertised, it bothers me that several cells have this one dot of damaged micro cells, the panels are not perfect, not they way other panels are but since the output power is good then I guess everything is as intended, still I get this feeling that all the cells should be perfect but they are not. you can see the dot on the cells on the pictures I included on this review.
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Reviewed in the United States on May 9, 2026 Reviewed in the United States on May 9, 2026 by Kimera
Set name: N-Type 400W 2pcs
Great panels. Very sturdy and well put together. Connect very easily and charge consistently. They are heavy so keep that in mind when looking at placement. I put two on a small shed and adding two more onto fencing that I have.
Reviewed in the United States on June 1, 2026 by dave
Set name: N-Type 425W 1pcs
I’ve been really impressed with this 400W solar panel. Right out of the box, performance exceeded expectations. I set it up outside without even dialing in the angle, and it was already producing 421 watts in good conditions — which is above its rated output. What really stood out was how it handled less-than-ideal weather. Even with overcast skies, it was still consistently putting out power in the 320W range, which is excellent real-world performance. Build quality feels solid, setup was straightforward, and the output has been reliable. If you’re pairing this with a power station or using it for off-grid charging, this panel delivers. Overall, very happy with it and would definitely recommend. Update after tuning and building a mount for the panel it hit 500w I took a screen shot after at 497w but super impressed.
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Reviewed in the United States on March 18, 2026 Reviewed in the United States on March 18, 2026 by AJ
Set name: N-Type 200W 2pcs
Came packaged very well. Set-up took only 5 minutes. Regularly pulling about 175-180 watts per panel in full sun (avg 350w total). They're even making about 40-50watts on cloudy days. Frame and panel seem pretty sturdy. Had a tree limb hit one of the panels and had no damage. Then the next day i was mowing next to the panels and a rock shirt out and hit the panel... even then, no damage at all! I'm going to order another 2 panels next week.
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Reviewed in the United States on May 3, 2026 by Brent Proulx
Set name: P-Type 100W 2pcs
These panels were a bit cheaper compared to the Renogy panels on prime day, and the specification label on the back is almost identical. I own two Renogy 100W panels but figured I'd give these a shot. Now I wish I had purchased more of the Renogy 100W panels instead, and here's why: 1. The edges on the JJN 100W panels are sharp and unfinished. It will almost absolutely cut you while you're handling them. The Renogy panels have plastic protectors on the corners. You can overcome this by putting on gloves. 2. The temperature performance is poorer than what the temperature coefficient will indicate. The specs label says that max power (Pmax) will drop by 0.37% for every degree these go above 25C. I have 3 of these stringed in series connected to a Victron 100/20 MPPT out in 98F Texas heat on a clear day. The wiring run is approximately 20 ft. between the string and Victron. I only get 221W when the panels are oriented perfectly perpendicular to the sun, which is around 74W per panel. The panels were very hot at around 53C which, given the -0.37%/C drop in Pmax, would mean they should have put out approx. 89W each. This 26% drop in maximum power indicates the temperature performance is actually three times as worse as what the specs indicate. 3. Overall build quality is poor. The individual cells have blemishes. The ribbons solder job is shoddy. There's an overapplication of white silicone sealant that has squeezed on to the glass and has to be scraped away. The front glass itself has scuffs. The black paint on the frame comes off easily. Overall, I implore you to look elsewhere for 100W panels. These are not worth the couple of dollars you save. One caveat is if you're permanently mounting them and never moving them again (remember, sharp corners!) AND you live an extremely cold climate (Nova Scotia, Canada?) where you'd be operating these panels closer to their standard test condition (77F/25C), then these might be decent panels for you. For everyone else, they're subpar.
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Reviewed in the United States on August 6, 2024 Reviewed in the United States on August 6, 2024 by AD