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SolarSpace 550W Solar Panel 144 Cell Bifacial SS8-72HD-550M Commercial 720 panels per Container (Truckload)

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StarStarStarStarStar
(40 ratings)
1 CNTR
(720 pcs)
Container not included — offer is for palletized solar panels only.

Customer reviews & Questions

Verified buyer reviews
Customer Reviews A1 SolarStore on trustpilot
  • Reviews (40)
  • Questions (3)
Love that 30-year warranty feelin secure about the investment.
i run a small farm array these things rock no regrets
Been running six weeks and already beating the forecast by 9 percent love the rear-side boost
Can you guys ship from far distances? I’m 1100 miles away. Can you guys please ship?
I wanna buy one, but it’s too far. Can you please make it a far delivery I’ll pay extra.
12/02/2025
I live 1100 miles away. I cannot drive that much. Sorry. I would buy one.
Real world output matches spec sheet. rare these days, totally satisfied
Survived big hailstorm last night. zero damage, faith restored
real easy to clean glass on both sides stays shiny.
4 months run time and still hitting 100 % plus of nameplate every midday
Solid build quality and great performance. The only downside is that the initial cost is quite high, but it's worth it in the long run
would love an all-black option otherwise panels rock
Installation was easy, but I wish they included more detailed instructions. Other than that, they work perfectly
No hot spots even in Texas sun temps stayed chill
Wish they came in matte black too but performance is killer.
Half-cut mono tech really shines under cloudy Michigan spring days.
I live in a rainy area, and I was worried about efficiency, but they still generate enough power to make a difference.
They survived a major windstorm with no damage. I’m impressed with the durability and power output!
Love that 30-year warranty feelin secure about the investment.
30-year performance warranty sealed the deal. love that peace of mind
Love the half-cut cell design. No hot spots even with chimney shade.
30-year power warranty gave me confidence. Expecting good ROI
Snow slides right off. Kept producing during the blizzard. Impressed.
Ran through a hailstorm, no cracks, zero issues tough as advertised
First bifacial array for my farm, wow the reflect boost is real
Works great in cloudy Oregon winters. Not magic but better than my old polys.
Wish they came in black frame but output is fire.
They survived a major windstorm with no damage. I’m impressed with the durability and power output!
makes power both sides thats cool
Real-world bifacial gain is noticeable on my white gravel. Love the extra watts
i run a small farm array these things rock no regrets
It good make a lot of power I like it.
Installation was easy, but I wish they included more detailed instructions. Other than that, they work perfectly
I live in a rainy area, and I was worried about efficiency, but they still generate enough power to make a difference.
strong frame solid build I feel confident it’ll last decades.
Been running six weeks and already beating the forecast by 9 percent love the rear-side boost
Panels cranked out more kWh than I planned nice surprise
Cranks out power like a champ even in Texas heat good buy.
Solid build quality and great performance. The only downside is that the initial cost is quite high, but it's worth it in the long run
Brooke L.
07/05/2025
are frames silver or black
A1 SolarStore
The frame of this module is silver anodized.
Caleb Z.
05/24/2025
do i gotta clean both sides every week
A1 SolarStore
A monthly rinse is plenty; the back side stays cleaner because it’s vertical. Avoid harsh detergents.
Pete R.
10/28/2024
Will snow hurt the bifacial glass?
A1 SolarStore
The dual-glass laminate passes 5 400 Pa front-load testing — equal to ~113 lb/ft² of snow. Just keep the surface clear for best yield.

Specification

Rated Power Output 550 W
Voltage (VOC)49.91 V
Maximum String Voltage 1500 V
Number of cells144 Cell
Technology
  • Bifacial
  • PERC
Cell TypeMonocrystalline
Rated Efficiency21.29 %
Connector TypeMC4-EVO2 or MC4 Compatible
Frame ColorSilver Frame
Dimensions LxWxH89.69 x 44.65 x 1.18 in
Pallet dimensions LxWxH89.69 x 44.65 x 42.48 in
Weight68.78 lbs
Pallet Qty36
ManufacturerSolarSpace
Manufacturer Part #SS8-72HD-550-M
Operating Temperatures −40°F to +185°F
Scope of ApplicationBuildings
Use
  • Commercial
  • Grid-Tie
  • Off-Grid
  • Residential
Warranty12 year Product Warranty / 30 year Linear Power Warranty

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About product

SS8-72HD-550M is a model that uses a number of technologies to bring durability and performance to the next level. This panel takes full advantage of the Passivated Emitter Rear Contact (PERC) technology that allows it to capture up to 12% more energy. All thanks to a reflective layer on the back. This design maximizes the number of photons absorbed by solar cells.

Another advantage is the half-cut cell technology. SS8-72HD-550M has solar cells half the size of those installed in conventional panels. The main benefits are decreased power loss, improved longevity and better low-light performance. The efficiency of this model reaches 21.29% — well above the market’s average. 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. SolarSpace offers 12 years of product warranty and guarantees 84.95% of original performance after 30 years of operation.

  • 144 half-cut PERC cells
  • 550 W nameplate capacity
  • 21.29% efficiency
  • 1500 V DC maximum system voltage
  • MC4-EVO2 or MC4 Compatible connectors
  • 12 years of product and 30 years of linear power warranty

Increased efficiency of up to 21.29%

SS8-72HD-550M ensures maximum power production. 21.29 percent module efficiency is achieved using PERC technology and a powerful antireflective coating. This is much greater than the norm, resulting in significant additional savings throughout the years of operation.

Keeping cool in hot weather

Even at high temperatures, SS8-72HD-550M remains efficient. It loses just -0.334% efficiency for every 1.8°F over 77°F, letting you make the most of the sunniest hours.

Quality and reliability

SS8-72HD-550M undergoes various quality checks during the production process and is subjected to serious quality and reliability testing. Manufacturing facilities are highly automated, removing the possibility of human errors. SolarSpace is committed to quality, safety, and dependability to ensure you get the finest.

Low degradation for a longer lifespan

These panels will lose no more than 2% of their power output in the first year of service. From the 2nd year to the 30th year, the average annual power decline will be no more than 0.45%. The module retains over 84.95% of its original output after 30 years. Guaranteed by SolarSpace.

Certified for the worst environmental conditions

SS8-72HD-550M 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 1.18" thick anodized aluminum alloy frame and a layer of protective glass.

Size

89.69" x 44.65" x 1.18"

Weight

68.78 lb

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