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Sino Green- Alpha REC440AA 72 440W Solar Panel

Model Number: 440AA 72
STC Rating: 440
PTC Rating: 335
Open Circuit Voltage (V): 53.0
Model Number440AA 72
STC Rating440
PTC Rating335
Open Circuit Voltage (V)53.0
Short Circuit Current (A) 10.31
Panel Efficiency 20.8%
Frame Color Anodized Aluminum
Power Tolerance -0/+5 Watts
Weight (lbs) 52.0
Area (sq. ft.) 22.7
Length (in) 81.2
Width (in) 40.0
Height (in) 1.2


Sino Green- Alpha   440AA 72 440W Solar Panel


 440AA 72 

SINO GREEN   Solar's Alpha  440AA 72 solar panel is a revolutionary solar panel achieving incredible levels of efficiency, power, and strength. This reliable solar panel is ideal for homes or businesses requiring a very efficient, cost-effective solar panel that provides reliable power output.

SINO GREEN   Alpha Series Features

SINO GREEN   Alpha solar panel black frame

Aluminum Anodized Frame

The world’s highest power 72 cel solar panel.

Greater amount of sunlight converted to electricity.

A beautiful solar panel with reinforced frame.

Over 20% more power from the same install.

All backed up by an industry-leading warranty.

This is the REC Alpha Series.

HJT Monocrystalline & Thin Film Technologies

Emerging from SINO GREEN  ’s leadership in half-cut cell technology, the Alpha is built around 144 half-cut heterojunction cells (HJT) and advanced connection technology, designed by engineering experts from Germany and Singapore. With HJT, SINO GREEN   combines the benefits of N-Type monocrystalline silicon solar cells with those of thin film technologies for much higher efficiency and energy yield, even at higher temperatures.

Alpha solar panel with thin film

SINO GREEN   Alpha REC440AA 72 Benefits

SINO GREEN  ’s pioneering and award-winning ‘Twin Panel’ design: Introduced in 2014, this delivers demonstrably better performance in shaded conditions.

SINO GREEN  ’s commercialized half-cut cell technology: The Alpha features high efficiency n-type mono wafers between thin layers of amorphous silicon.

SINO GREEN  ’s unique frame design: The 30 mm thin frame construction allows more panels per pallet, an easy installation and allows the Alpha to withstand snow loads of 7000Pa.

Industry-leading warranty: 25-year product warranty on installations by REC Solar Professionals (otherwise 20 years), and a 25-year power output warranty.

Even better for the environment: Manufacturing of REC Alpha solar panels requires less energy, which is further reducing the carbon footprint.

SINO GREEN   is known for leading standards of design and manufacturing to produce long-lasting and high-performance solar panels with reliable power output.


SINO GREEN   Alpha 72 Solar Panel Warranty

SINO GREEN   Alpha solar panel side view

The  440AA 72 is guaranteed high power output over its warranted lifetime. The  Alpha series comes with SINO GREEN ’s best warranty:



Subject to the terms and conditions of this Limited Warranty, REC warrants that the actual power output of the product will reach at least 98% of the nameplate power output specified on the product during the first year (calculated from the date of production as identified on the product). from the second year, the actual power output will decline annually by no more than 0.25% for a period of 24 years, so that by the end of the 25th year, an actual output of at least 92% of the nameplate power output specified on the product will be achieved.


Subject to the terms and conditions of the Limited Warranty, for a period of 20 years from the date of purchase by the Original

End-User (not exceeding a maximum period of 20.5 years from the date of production as identified on the Product), SINO GREEN  warrants that the Products:

Are free from defects in material and workmanship if installed and used in accordance with the installation instructions

Will remain safe and operational if cable and connector plugs are installed professionally and are not permanently positioned in water; provided however, that damage to the cable caused by abrasion on a rough surface due to insufficient fixing or to unprotected running of the cable over sharp edges is excluded. Damage caused by animals is also excluded

Will not experience freezing up of the aluminum frames if installed correctly.


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Sino Green New Energy Tech Co Ltd