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Brand range: 275W–740W
Monocrystalline
REC REC660AA Pro L
Max Power
660W
Efficiency
21.57%
Operating V
42.4V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 49.2V |
| Short Circuit Current (Isc) | 16.35A |
| Voltage at Pmax (Vmp) | 42.4V |
| Current at Pmax (Imp) | 15.6A |
| Temp. Coefficient of Pmax | -0.327%/°C |
| Dimensions | 2247 x 1362 x 35 mm |
| Weight | 38.3kg |
| NOCT | 45.57°C |
| PTC Rating | 626.6W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 242 REC models in database
FAQ
How efficient is the REC REC660AA Pro L?
This panel has 21.57% efficiency, which is high for commercial solar panels.
What are the dimensions and weight of the REC REC660AA Pro L?
It measures 2247 x 1362 x 35 mm and weighs 38.3kg.
What is the max power output of the REC REC660AA Pro L?
The REC REC660AA Pro L is rated at 660W under STC (1000 W/m², 25°C, AM 1.5).
What warranty does REC provide?
REC offers a 30-year warranty for the REC660AA Pro L, reflecting confidence in long-term durability.
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