280W Poly Solar Panel
Qingdao Winners Corporation [China] 
1) High conversion rate 2) High-transmission rate glass 3) CE,TUV,CEC 4) 25 years limited warranty...
| Electrical Characteristics | |||
| Type | SA260-72 | SA270-72 | SA280-72 |
| Maximum power (Wp) | 260Wp | 270Wp | 280Wp |
| Maximum power voltage (V) | 36.00 | 36.00 | 36.00 |
| Maximum power current (A) | 7.23 | 7.50 | 7.78 |
| Open circuit voltage (V) | 43.20 | 43.20 | 43.20 |
| Short circuit current (A) | 7.95 | 8.25 | 8.55 |
| Cell Efficiency (%) | 15.50% | 16.00% | 16.50% |
| FF (%) | ≥74% | ||
| Maximum system voltage (V) | 1000V | ||
| Temperature Range | `-40°C to +85°C | ||
| Power tolerance (%) | ±3% | ||
| Standard Test Conditions | 1000W/m2, AM1.5 ,25’C | ||
| Mechanical Characteristics | |||
| Solar cell | Poly | Poly | Poly |
| Number of cells (Pcs) | 72(6*12) | ||
| Size of module (mm) | 1930*980*46mm | ||
| Weight per piece (kg) | 22.5 | ||
| Front Glass | 3.2 mm tempered glass | ||
| Surface Maximum Load Capacity | 60m/s(200kg/sq.m) | ||
| Allowable Hail Load | steel ball fall down from 1m height | ||
| Frame | Anodized aluminium alloy | ||
| Junction Box Type | IP65 rated | ||
| Connectors | MC Plug Type IV connectors | ||
| Cables | 4.0mm2, 900mm | ||
| Temperature coefficients | |||
| Nominal Operating Cell Temperature | 45±2ºC | ||
| Temperature coefficients of Voc (%) | β -2.2mV/°C | ||
| Temperature coefficients of Pm (%) | γ -0.55%/°C | ||
| Temperature coefficients of Im (%) | α 0.03%/°C | ||
| Temperature coefficients of Vm (%) | β -2.2mV/°C | ||
280W Poly Solar Panel
