| Open Circuit Voltage (Voc) | 45.4V |
| Short Circuit Current (Isc) | 18.47A |
| Voltage at Pmax (Vmp) | 38.3V |
| Current at Pmax (Imp) | 17.24A |
| Temp. Coefficient of Pmax | -0.323%/°C |
| Dimensions | 2236 x 1355 x 35 mm |
| Weight | 37.9kg |
| NOCT | 43.3°C |
| PTC Rating | 630.9W |
Hanersun Energy Co., Ltd. offers a 30-year warranty for the HN21-66HT660W, reflecting confidence in long-term durability.
This panel has 21.78% efficiency, which is high for commercial solar panels.
The Hanersun Energy Co., Ltd. HN21-66HT660W is rated at 660W under STC (1000 W/m², 25°C, AM 1.5).
It measures 2236 x 1355 x 35 mm and weighs 37.9kg.
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At 660W, this is one of Hanersun Energy Co., Ltd.'s most powerful panels.
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