450W Bifacial Solar Panel 2-Pack (900W Total), N-Type 16BB Double Glass Monocrystalline, Anti-Shade Dual-Module Design, 25% High Efficiency Solar Cells for Home Rooftop, RV, Off-Grid System
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Availability:
20 left in stock
Arrives
Sunday, Jul 26
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Size: 2-Pack 450W (Black Glass)
Features
- High-Power N-Type 16BB Cell TechnologyBuilt with advanced N-Type monocrystalline cells and a 16BB busbar architecture, this Callsun 450W solar panel delivers higher energy yield, lower degradation, and improved long-term stability compared to traditional P-Type modules. Designed for high-power solar arrays, it helps maximize output per panel and reduce the total number of modules required in large rooftop and off-grid systems.
- Bifacial Design for Higher Total Energy YieldFeaturing a transparent backsheet, this Callsun 450W bifacial solar panel captures sunlight from both the front and rear sides, utilizing reflected and ambient light from surrounding surfaces to boost total energy production. Especially effective in ground-mounted, open-area, and reflective-surface installations, it helps increase system-level output without adding more panels.
- Dual-Module Parallel Anti-Shade DesignUnlike conventional solar panels, this Callsun 450W module uses a dual-module parallel architecture that allows one half of the panel to continue producing power even when the other half is shaded. This design helps minimize power loss caused by partial shading, dirt, or uneven sunlight and delivers more stable output in real-world rooftop and ground-mount installations.
- More Power per Panel, Fewer Modules RequiredWith a high 450W rated output per panel, this module can replace multiple lower-wattage panels, helping reduce array size, wiring complexity, connection losses, and installation time. Ideal for high-capacity solar systems where space, labor cost, and balance-of-system efficiency matter.
- Optimized for High-Voltage MPPT Solar SystemsDesigned for high-power and high-voltage configurations, this 450W panel pairs efficiently with modern MPPT charge controllers and solar inverters. It enables higher-voltage string designs, reduced current losses, and improved overall energy harvest across varying sunlight conditions.
- Engineered for Long-Term Outdoor PerformanceFeaturing a double-glass structure, reinforced aluminum frame, and low-iron tempered glass, this Callsun 450 watt solar panel is built for long-term outdoor reliability. Rated IP68 and designed to withstand strong winds, heavy snow loads, and harsh weather exposure, it delivers stable performance in demanding residential, off-grid, and ground-mounted solar systems.
- Worry-Free Support for DecadesWe back every Callsun 450W bifacial solar panel with 10 years of dedicated technical support for materials and workmanship, plus a 25-year commitment to maintain at least 84.5% output. From product questions and system design assistance to installation guidance and after-sales support, our team is here to help every step of the wayso you can invest with confidence and enjoy reliable solar power for decades to come.
Description
Power Wherever Life Takes You Reliable power is essential for camping, overlanding, RV travel, outdoor work, and everyday adventures. That's why Callsun designs high-efficiency solar solutions built for performance and durability. Whether you're exploring the wilderness, traveling off-grid, or preparing for emergencies, Callsun solar panels deliver dependable energy when and where you need it.
Brand: Callsun
Material: Anodized Aluminum Alloy, Low-Iron Tempered Glass, N-Type Monocrystalline Silicon Solar Cells
Product Dimensions: 69.37"L x 44.65"W x 1.18"H
Efficiency: 25.4%
Included Components: 2-Pack 450W Solar Panel
Efficiency: 25.4%
Amperage Capacity: 14.97 Amps
Maximum Voltage: 30.08 Volts
Upper Temperature Rating: 85 Degrees Celsius
Maximum Power: 450 Watts
Special Features: Bifacial Power Generation Design, Double Glass Construction, Dual-Module Parallel (Anti-Shade), N-Type 16BB Cell Technology
Output Voltage: 25 Volts (DC)
Item Dimensions L x W x H: 69.37"L x 44.65"W x 1.18"H
Material Type: Anodized Aluminum Alloy, Low-Iron Tempered Glass, N-Type Monocrystalline Silicon Solar Cells
Brand Name: Callsun
Included Components: 2-Pack 450W Solar Panel
Model Number: CN450W
Manufacturer Part Number: CN450W
Manufacturer: Callsun
Unit Count: 2.0 Count
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Jul 26
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
Size: 200W 2-Pack Black
I bought the Callsun N-Type 16BB 400W Bifacial Solar Panel 2-Pack (2×200W) to power my off-grid garage using a Bluetti Elite 400 power station. I have them set up on the ground, leaning against the garage. On a sunny day I’m consistently hitting 420W peak output which is well over the rated 400W thanks to the strong bifacial performance pulling in reflected light from the ground and house wall. These panels are delivering better real-world results than I expected in this temporary lean-to configuration. This setup easily powers my garage tools, lights, and small appliances while keeping the Bluetti charged. The estimated charge time drops fast, and I’m getting reliable off-grid power exactly where I need it.Great value, solid build, and real performance that exceeds the label. If you’re looking for panels for a shed, garage, van, or any off-grid project, these are an outstanding choice. Highly recommended! Would buy again!
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Reviewed in the United States on April 26, 2026 by Randy
Size: 200W Single Black
Excellent quality. Works a little bit better than other panels when panel is partially shaded. More powerful than many 200W panels. I just bought another one. Price is good too.
Reviewed in the United States on June 23, 2026 by BUY BUY BUY
Size: 200W 2-Pack Black
I added these to my ground mount setup a few weeks ago, and they’ve been performing great. Even on partly cloudy days, they still pull in a solid amount of power, which really surprised me. Installation was easy, and the panels feel sturdy with top-notch build quality. The bifacial design seems to help capture extra light when the sun hits different angles. So far they’ve kept my batteries topped off every day, and I’m really happy with how efficient they are.
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Reviewed in the United States on February 15, 2026 by Steven
Size: 200W 2-Pack Black
I currently have 7 of these panels and they impress me everyday. They consistently over produce and on a nice sunny day I average around 275 watts of output per panel sometimes closer to 300. Construction is very sold and they are a nice looking panel. I like the black frame vs the silver. Packaging is very solid and I have not received and damaged panels even when getting two in a box at a time.
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Reviewed in the United States on May 13, 2026 by Andrea Chenoweth
Size: 200W 2-Pack Black
I don't remember if I've already reviewed these solar panels or not but here is my latest thoughts. I have brought only 3 sets of 2 because of the cost but they are good solar panels. It was hard to size panels because of the 60 volt charge limit on the Dabbsson 2K I got during last Prime Day for $459 which was a less expensive battery inverter/charge controller at the time, but in series and parallel 2 plus 2 into 1 configurations they work out well to 54 some odd volts being careful to not go over the 20 or 25 amp limits. The other plus for these panels is that 4 in series or 6 in series 800/1200 watts they actually produce 915 watts and 1300+ sitting on concrete driveway in full clear sky at the right time of day and correct angle to sun. Even on cloudy days they produce enough to charge my since purchase of the Pecron E3880LFp's and Pecron's F5000LFP's. I'm not a solar guru by any means and need a lot more solar panels and learning to do but the cost makes me go slow and it changes all the time...the cost I mean and which is better at the time. I'd like to get to 14,000 watts solar panels one day but 1200 watts or(1300/1320 watts) at perfect time of day these are doing a descent job... for now. I'm not a tree huger or environmentalist and but no means will these off set my electric bill (by much) by am subject to frequent and long lasting power outages lasting up to 12-13 days at times. Have 3 Generator both Gas/Propane and Diesel but hard to get fuel when there's no power for many miles (Southern Midwest). Will update this review as I get more of these Callsun panels and it looks like I will try and get 2 a month if I can.
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Reviewed in the United States on April 19, 2026 by Andyk1
Size: 200W 2-Pack Black
These panel were packaged extremely well. Thick foam on on the corners and sides, as well as separating the panels. In addition to that, each panel had thinner foam on the back side the panel. The only way these would get damaged is abuse by the shipper and it would take quite a bit. These panels look so good. Good quality and assembly. Zero flaws on my set. Not sure why people complain about the cable length. It's more than enough to put them in series and even have them spaced 12in apart if you wanted to. You are going to be running a cable to them anyhow. As for performance and why I gave them 4 stars. The voltage is spot on. I am getting 54.4 during peak sun. But, I am only getting 7.1A with a 3ft 10AWG XT60i pigtail (center pin grounded) and 7A with a 40ft extension. Well below the rating of the panel. We have had clear skies and perfect sun and that's the best I can get. Still happy with ~380W, but after seeing some other reviews, I expected closer to 400. It is real feel temp of 92 today here in Texas 4/13/25, so maybe these panel just don't love the heat. I'll update my rating after trying a different pigtail and giving it a couple more months to see if production increases.
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Reviewed in the United States on April 13, 2025 by J. Smith
Size: 200W 2-Pack Black
Currently have 2 in series. Going to 3s2p eventually. I seriously doubted claims of 400 watts (especially by reviewers who submitted in early January). The sun isn't strong enough in Alabama (at least) during the winter to get that. I installed these initially in late December and was maxing out around 230 watts in full sun at proper angle. After the winter solstice things have gotten muuuch better. I'm getting around 340 now. I expect it to continue to rise as the sun "gets stronger." I replaced a single Dokio 400 watt panel with these 2 - 200 watters. I prefer these as they are lighter and smaller and easier to move around than a 400 watt panel. They are sturdy and I don't worry about the frame bending or breaking. i have zero issues with these and will purchase 4 more. I can get about 1.7 Kwh in a day right now. I'm hopeful I can get that REALLY close to 2 (per pair). That would be ideal for my 4 - 200 ah battreez. My only qualm is that the cables are a bit short but thats splitting hairs. Update. I Implemented my other 400 watt panel in a different power system. it's orientated in the same direction with the same angle but it vastly underperforms these. Granted, the others aren't bifacial and are 12bb vs 16 but I didn't expect such a big difference. The top Victron connect is the one hooked to the Dokio. the other is the 2 - 200 watt panels. and that must have been during some shadows as it hit 356 that same day. and it has hit 393. update - I finally got around to going 2s2p at least. I pulled 811 watts on those four panels. in April. So I'm beyond happy with that. my 400w dokio panel has yet to break 230. update - pulled 986 on 800 watts worth of panels. bifacial is for real. you can expect a 25% boost in optimal conditions. on these at least. want 1 more pair and I should be able to run my mini split pretty much fulltime. great panels. can't recommend enough. Update and previous correction... I didn't realize it at the time but colder weather is better for peak performance. meaning your incoming watts will be higher on a cold day than a hot day. but you'll get more overall power on a hot (summer) day due to the sun being in the sky longer. As such I never beat that 986 watts during the summer. in fact, I don't believe I got above 800. but I don't spend much time there in the summer so not a lot of opportunities to bulk charge. Still extremely happy with these and would highly recommend. Update. Finally got to 3S2P. I pulled 1351 on 1200 watts of panels. I bet I could push 1500 if my controller would allow it. I think my max for a single day has been 6kW. I'm very happy with that. I had one get flipped over in a storm and no sign of wear and tear or diminished performance. Still extremely satisfied with these!
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Reviewed in the United States on February 2, 2025 by Chris
Size: 200W 2-Pack Black
I’ve been using the Callsun 400W bifacial solar panel kit (2×200W), and it’s been a solid addition to my setup. The panels feel well-built and durable, and they put out good power, especially in direct sunlight. I like the bifacial design—it helps pick up a little extra energy from reflected light, which is a nice bonus. The split panel design is also helpful since partial shade doesn’t completely drop your output. Overall, it’s a reliable, efficient option if you’re looking for something for RV use, off-grid setups, or backup power at home. It does what it’s supposed to do without any hassle.
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Reviewed in the United States on April 19, 2026 by Precious