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Thornova Solar 440W Solar Panel 108 Cells All-Black Bifacial TS-BBT54(440) Container 806 panels (Truckload)

$0.31 /W
$136.62 /panel
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StarStarStarStarStar
(59 ratings)
1 CNTR
(806 pcs)
Minimum order – 806 panels

We have changed the number of solar panels to comply with shipping terms. More info

Container not included — price is for palletized solar panels only.

Customer reviews & Questions

Verified buyer reviews
Customer Reviews A1 SolarStore on trustpilot
  • Reviews (59)
  • Questions (2)
Impressive Voc stability across temperature ranges. Degradation curve is exactly as advertised. Would spec these again.
Great first purchase! I just started my solar journey and these panels made it so easy to get going. Super happy with the output!
Price per watt is crazy good for bifacial gear. No regrets.
One year in zero issues bruiser panels five bright stars
exceeded my expectations, the panels are high quality and the customer service is top-notch, thanks
Price per watt unbeatable grabbed two pallets for farm very pleased
no issues so far super happy with the output
Running a car-wash lot—white concrete boosts the backside gain. Savings cover loan payments already. Happy camper here.
exactly what i needed fits my rack perfect
panels seem top notch output is solid just pricey
Delivery was a bit slow. The panels are working fine though
top quality panels and fantastic customer service, highly recommend!
Ordered 3 Thornova panels online. Easy to install on my boat!
We’re satisfied with these solar panels. They work as intended, providing a good amount of energy, and the setup was not complicated. For the price, they offer great value and have been a solid addition to our home.
Zero light induced degradation claimed and yeah day-one to month-three same wattage nice.
Handles Louisiana heat way better than my old panels; minimal power drop.
Specs are spot on: bifacial gain is performing as expected and the 0.4% annual degradation holds up. The product itself is solid.
Got them for our farm, and wow they produce! Even off the back side. Never had better performance.
Ordered 3 Thornova panels online. Easy to install on my boat!
these panels meet my expectations. they are performing as expected.
these panels meet my expectations. they are performing as expected.
Storm slammed us with 18" snow last week—glass held firm, still pumped power off reflected light. Thornova earned its stripes.
We’re satisfied with these solar panels. They work as intended, providing a good amount of energy, and the setup was not complicated. For the price, they offer great value and have been a solid addition to our home.
these panels meet my expectations. they are performing as expected.
We’re satisfied with these solar panels. They work as intended, providing a good amount of energy, and the setup was not complicated. For the price, they offer great value and have been a solid addition to our home.
Ordered 3 Thornova panels online. Easy to install on my boat!
good panel for commercial jobs or big installs. not for a beginner tho, these are big and heavy.
Six months in and still cranking, no hot spots no issues.
Solid panels nice build quality back-side gain is real
I run a small RV park; swapped out older 400 W mono panels for Thornova 600s. Meter shows ~28 % uplift plus guests like the green story.
Solid bifacial gain see about 25 percent bump midday so far so good
I'm using these to power my workshop. They save me money and work efficiently. The customer service was very supportive and helped me understand the benefits. It's a worthwhile investment.
these panels meet my expectations. they are performing as expected.
the output is not as high as i hoped for but everything else is good !
We’re satisfied with these solar panels. They work as intended, providing a good amount of energy, and the setup was not complicated. For the price, they offer great value and have been a solid addition to our home.
Installation was easy enough for my crew and the bifacial gain is noticeable Would buy again for the next project
love these black panels they look slick on the roof power numbers legit
solar panels are efficient and the pick-up from the warehouse was easy
solar panels are efficient and the pick-up from the warehouse was easy
love how much power these crank out easy to mount too
Easy to install, no fuss, real solid performance
These panels are beasts. Got a full pallet and my system’s kicking out serious power even on cloudy days.
We’re satisfied with these solar panels. They work as intended, providing a good amount of energy, and the setup was not complicated. For the price, they offer great value and have been a solid addition to our home.
We’re satisfied with these solar panels. They work as intended, providing a good amount of energy, and the setup was not complicated. For the price, they offer great value and have been a solid addition to our home.
We’re satisfied with these solar panels. They work as intended, providing a good amount of energy, and the setup was not complicated. For the price, they offer great value and have been a solid addition to our home.
exceeded my expectations, the panels are high quality and the customer service is top-notch, thanks
top quality panels and fantastic customer service, highly recommend!
these panels meet my expectations. they are performing as expected.
Ordered 3 Thornova panels online. Easy to install on my boat!
these panels meet my expectations. they are performing as expected.
Delivery was a bit slow. The panels are working fine though
Ordered 3 Thornova panels online. Easy to install on my boat!
these panels meet my expectations. they are performing as expected.
very good ui and the instructions on how to pickup were clear. good service
Ordered 3 Thornova panels online. Easy to install on my boat!
Alex J.
05/02/2025
Can these go on ground mounts
A1 SolarStore
Absolutely. Ground racks or carports work great and often boost bifacial gain by reflecting light off gravel or grass.
Amanda B.
09/03/2024
Will the all black look match a dark roof?
A1 SolarStore
Definitely. The monochrome cells, black frame, and black backsheet blend in nicely, so most homeowners say they “disappear” on charcoal or black shingles.

Specification

Rated Power Output 440 W
Voltage (VOC)39.16 V
Maximum String Voltage 1500 V
Number of cells108 Cell
Technology
  • Bifacial
  • TOPCon
Cell TypeMonocrystalline
Rated Efficiency22.5 %
Connector TypeMC4-EVO2
Frame ColorBlack Frame
Dimensions LxWxH67.8 x 44.65 x 1.38 in
Pallet dimensions LxWxH67.8 x 44.65 x 42.78 in
Weight46.3 lbs
Pallet Qty31
ManufacturerThornova Solar
Manufacturer Part #TS-BBT54-440
Operating Temperatures −40°F to +185°F
Scope of ApplicationBuildings
Use
  • Commercial
  • Grid-Tie
  • Off-Grid
  • Residential
Warrantyup to 25 years product quality & process guarantee / 30 years linear power guarantee

Close-wattage solar panels

23 products

Attachments

About product

TS-BBT54(440) is a model that uses a number of technologies to bring durability and performance to the next level. The N-Type cell technology ensures excellent power output.

To further boost the performance, Thornova Solar employs half-cut cell technology. Each of the panel’s 108 cells is only half the size of a traditional solar cell. This grants TS-BBT54(440) lower resistive losses and better shade tolerance. Not surprisingly, the efficiency of this module is quite high – 22.5%. And while conventional panels use only one side to absorb photons, bifacial modules employ both sides at the same time. Thanks to the technology, this model can be up to 30% more efficient. Cell surface, back foil and frame are completely black, giving the model unrivaled aesthetics. Thornova Solar paid as much attention to durability as they did to performance. TS-BBT54(440) is guaranteed to retain at least 87.4% of output after 30 years. Product warranty for this panel lasts 25 years.

  • 440 W power output
  • 108 half-cut N-Type cells
  • 22.5% efficiency
  • 1500 V DC maximum system voltage
  • MC4-EVO2 connectors
  • 25-year product and 30-year performance warranties

Increased efficiency of up to 22.5 percent

TS-BBT54(440) ensures maximum power production. The combination of N-Type cell technology and a powerful antireflective coating results in 22.5 percent module efficiency. This is much greater than the average, resulting in significant extra savings over the years of production.

Keeping the cool in high temperatures

Even under extreme heat, TS-BBT54(440) maintains high efficiency. You may take advantage of the sunniest hours because it loses just -0.29% of efficiency for every 1.8°F over 77°F.

High quality standards

Thornova Solar stringent production requirements include various tests to guarantee high quality. The facilities are highly automated, allowing the manufacturer to maintain high standards while keeping warranty claims to a minimum.

Reliability and degradation resistance

Thornova Solar guarantees slow deterioration over the next 30 years. The performance will decline by no more than 1% during the first year and then by no more than 0.4% every year after that. After the 30 years are over, your modules will retain at least 87.4% of their original performance. This 440 W Thornova Solar solar panel also comes with a substantial 25-year product warranty.

Certified for the worst environmental conditions

TS-BBT54(440) is PID, salt, acid, and ammonia resistant. It can also bear mechanical loads of up to 5400 Pa on the front and 2400 Pa on the back. This durability is mostly owing to the 1.38" thick anodized aluminum alloy frame and a layer of protective glass.

Outstanding all-black design

The panel features all-black design which looks great on any roof. The manufacturer ensures excellent cell color by special treatment and selection processes. Thornova Solar engineers use thinner wires to connect the cells together, and at a distance the surface of the modules appears smooth and uninterrupted.

Size

67.8" x 44.65" x 1.38"

Weight

46.3 lb

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