Perc monocrystalline bifacial dual glass solar panel / 305W / 60cells / 20V
solar panel is made up of mono-crystalline silicon solar cells in series with high efficiency, anti-corrosion, low iron tempered glass with high light transmittance and high strength, anti-aging , high flame resistant back sheet and anodic oxidation of aluminum alloy frame. The module has the advantages of high efficiency, long service life, easy to install as well as high wind and hail impact resistance.
Main Features
1. High module conversion efficiency.
2. Better energy yield with excellent low irradiance performance and temperature coefficient.
3. First year power degradation <2%.
4. Bifacial technology enables additional energy harvesting from rear side.
5. Glass/glass ensures 30 year product life span, with annual power degradation <0.45%.
6. Frameless design, no PID.
Electrical performance parameters(front side)
| Electrical performance parameters(front side) | |
| STC(Standard Testing Conditions) (irradiance 1000W/m2, cell temperature 25℃, spectra at AM1.5) | |
| Model | DDM(P)305 |
| Maximum power (Pm/Wp) | 305 |
| Maximum power voltage (Vmp/V) | 33.1 |
| Maximum power current (Imp/A) | 9.22 |
| Open circuit voltage (Voc/V) | 39.8 |
| Short circuit current (Isc/A) | 9.69 |
| Module efficiency (%) | 18.5 |
Electrical performance parameters(rear side)
| Electrical performance parameters(rear side) | |
| Model | DDM(P)305 |
| Maximum power (Pm/Wp) | 229 |
| Maximum power voltage (Vmp/V) | 33.8 |
| Maximum power current (Imp/A) | 6.77 |
| Open circuit voltage (Voc/V) | 39.5 |
| Short circuit current (Isc/A) | 7.42 |
| Module Efficiency (%) | 13.9 |
General performance parameters
| Mechanical performance parameters | |
| Cell Nos & array | 60(6*10) |
| Diode Nos | 3 |
| Junction box | IP68, split |
| Cable | 4mm2, 300mm, length custom |
| Module weight(kg) | 23 |
| Dimension (L*W*H) (mm) | 1658*992*6 (junction box thickness 23mm) |
| Packing | 33pcs/carton, 26cartons/40HQ, 858pcs/40HQ |
| Temperature coefficient (STC) | |
| Temperature coefficient of Voc | -0.290%/℃ |
| Temperature coefficient of Isc | +0.050%/℃ |
| Temperature coefficient of Pm | -0.390%/℃ |
| Quality parameters | |
| Working temperature range (℃) | -40~+85 |
| Power tolerance (W) | 0~+5 |
| Maximum system voltage (V) | DC1500 |
| System maximum protection current (A) | 20 |
| NOCT(℃) | 45±2℃ |
| Front/rear static loads(Pa) | 5400/2400 |
| Bifacial factor | ≥75% |
| Hot spot | 100% hot spot free |
Drawing(mm)
Quality Warranty
10-year materials&workmanship warranty
30-year linear power warranty
