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Brand range: 425W–705W
Monocrystalline
Hanersun Energy Co., Ltd. HN21-66HT640W
Max Power
640W
Efficiency
21.12%
Operating V
37.5V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 44.6V |
| Short Circuit Current (Isc) | 18.31A |
| Voltage at Pmax (Vmp) | 37.5V |
| Current at Pmax (Imp) | 17.07A |
| Temp. Coefficient of Pmax | -0.323%/°C |
| Dimensions | 2236 x 1355 x 35 mm |
| Weight | 37.9kg |
| NOCT | 43.3°C |
| PTC Rating | 611.8W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 59 Hanersun Energy Co., Ltd. models in database
FAQ
What is the max power output of the Hanersun Energy Co., Ltd. HN21-66HT640W?
The Hanersun Energy Co., Ltd. HN21-66HT640W is rated at 640W under STC (1000 W/m², 25°C, AM 1.5).
What warranty does Hanersun Energy Co., Ltd. provide?
Hanersun Energy Co., Ltd. offers a 30-year warranty for the HN21-66HT640W, reflecting confidence in long-term durability.
How efficient is the Hanersun Energy Co., Ltd. HN21-66HT640W?
This panel has 21.12% efficiency, which is high for commercial solar panels.
What are the dimensions and weight of the Hanersun Energy Co., Ltd. HN21-66HT640W?
It measures 2236 x 1355 x 35 mm and weighs 37.9kg.
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📊 Brand Context
Hanersun Energy Co., Ltd. offers 59 solar panel models from 425W to 705W.
Browse all Hanersun Energy Co., Ltd. models →