monocrystalline dual glass solar panel / 280W / 60cells / 20V / transparent
Renewable energy is energy that comes from natural sources that are almost always available, such as sunlight, wind, rain, tides, and even heat. Since creating environmentally-friendly energy solutions is crucial, the renewable energy industry has become a key business that will only increase in importance in future years and decades.Solar energy is often regarded as the most efficient renewable energy source for generating electricity.
Main Features
1. Outstanding module performance
Anti PID
High hot-spot resistance
Double semi-tempered glasses strengthen cracking resistance
Improve heat dissipation
2. Ensure fire safety performance
Replace polymer back plate with tempered glass, to improve fire safety performance
Passed fire safety test grade A
3. System cost reduction makes more efficiency
Maximum system voltage enhanced to 1500V
System overall cost reduced greatly, compared with 1000V system
30-year linear power warranty, only 0.5% annual linear degradation
4. Harsh environment adaptation
High transmittance, anti reflection, self-cleaning coated glass
No aluminum alloy frame, no PID
Excellent performance on wind & sand resistance, salt mist resistance, ammonia corrosion resistance
Electrical performance parameters
| monocrystalline dual glass solar panel / 280W / 60cells / 20V / transparent | |
| Electrical performance parameters | |
| STC (AM1.5, 1000W/m², cell temperature 25℃) | |
| Model | DDM280 |
| Maximum power (Pm/Wp) | 280 |
| Maximum power voltage (Vmp/V) | 31.78 |
| Maximum power current (Imp/A) | 8.81 |
| Open circuit voltage (Voc/V) | 38.65 |
| Short circuit current (Isc/A) | 9.53 |
| Module efficiency (%) | 17 |
General performance parameters
| Mechanical performance parameters | |
| Cell Nos & array | 60(6*10) |
| Diode Nos | 3 |
| Cells dimension(mm) | 156.75*156.75 mono |
| Cable | 4mm2/negative 150mm, positive 300mm |
| Module weight (kg) | 23 |
| Module dimension (L*W*H) (mm) | 1658*992*6(junction box thickness 16mm) |
| Packing | 33pcs/carton, 26cartons/40HQ, 858pcs/40HQ |
| Quality parameters | |
| Module working temperature range (℃) | -40~+85 |
| Power tolerance (W) | 0~+5 |
| Maximum system voltage (V Dc) | 1500DC |
| System maximum protection current (A) | 15 |
| Normal operating cell temperature (NOCT) | 45±2℃ |
| Maximum wind loads/maximum snow loads (Pa) | 2400/5400 |
| Hot spot | 100% hot spot free |
| Temperature coefficient (STC) | |
| Temperature coefficient of Voc | -0.33%/℃ |
| Temperature coefficient of Isc | 0.059%/℃ |
| Temperature coefficient of Pm | -0.41%/℃ |
Drawing(mm)
Quality Warranty
10-year materials&workmanship warranty
30-year linear power warranty
