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Axitec 550W Solar Panel 144 Cell Bifacial AXIpremium XXL HC AC-550MBT/144V Container 620 panels

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$190.71 /panel
(620 pcs)
Minimum order – 620 panels

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All Axitec products All 550 Watt Panels



Rated Power Output 550 W
Voltage (VOC)49.90V
Maximum String Voltage 1000/1500V
Number of cells144
Cell TypeMonocrystalline
Rated Efficiency21.29%
Connector TypeStäubli EVO2
Frame Colorsilver
Dimensions LxWxH89.68 × 44.64 × 1.38 in
Weight61.73 lbs
Pallet Qty31
Manufacturer Part #AC-550MBT144V
Operating Temperatures −40°F to +185°F
Scope of Application
  • Solar Panels for Commercial
  • Solar Panels for Home
  • Commercial
  • Grid-Tie
  • Off-Grid
  • Residential
Warranty15/25 Year See Warranty details
Delivery Time 5-7 Business Days

About product

The Axitec AXI(bi)premium XXL HC MW Series AC-550MBT/144V module uses a number of technologies to bring durability and performance to the next level.

The solar cells of AC-550MBT/144V are half the size of those found in standard panels. Major advantages include reduced power consumption, extended life and enhanced efficiency in low-light conditions. Given its size and weight, AC-550MBT/144V efficiency of 21.29% is quite impressive. 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. Axitec paid as much attention to durability as they did to performance. AC-550MBT/144V is guaranteed to retain at least 85% of output after 25 years. Product warranty for this panel lasts 15 years.

  • 550 W power output
  • 144 half-cut cells
  • 21.29% efficiency
  • 1000V/1500V DC maximum system voltage
  • Staubli EVO2 connectors
  • 15-year product and 25-year performance warranties

Increased power and efficiency

PERC technology improves on an already high efficiency of 21.29 percent. The manufacturer created an efficient and highly durable model by adding a robust PID resistance and unique glass lamination on top. AC-550MBT/144V produces 550 W of power under standard test conditions.

Heat-resistant performance

The heat is less of a threat with this module: with one of the lowest temperature coefficients in the industry, AC-550MBT/144V loses just -0.35% of efficiency for every 1.8°F above 77°F.

Quality and reliability

AC-550MBT/144V receives multiple quality checks throughout the manufacturing process and is subject to stringent quality and reliability testing. The manufacturing facilities are highly automated, eliminating the risk of human error. Axitec is dedicated to quality, safety and reliability to ensure you get the very best.

Low degradation for a longer lifespan

These panels will lose no more than 3% of their power output in the first year of service. From the 2nd year to the 25th year, the average annual power decline will be no more than 0.50%. The module retains over 85% of its original output after 25 years. Guaranteed by Axitec.

Certified for the worst environmental conditions

AC-550MBT/144V is PID, salt, acid, and ammonia resistant. It can also bear mechanical loads of up to 2400 Pa. This durability is mostly owing to the 1.38" thick aluminum alloy frame and a layer of protective glass.


89.68" x 44.64" x 1.38"


61.73 lb

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