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| Place of Origin | Jiangsu, China |
| Brand Name | AKS |
| Certification | CGC，ISO9001:2015，TUV SUD，PV，CNAS， |
| Model Number | TWMPD-72HD |
TW Solar Panel 540W 545W 550W 555W 560W P-Type 144 Half Cells Module Bifacial Dual Glass Solar Pv Panels
One of the key features of monocrystalline solar panels is their high purity. The single crystal structure used in their manufacturing process allows for fewer impurities and defects compared to other types of solar panels, such as polycrystalline or thin-film panels. This high purity contributes to their increased efficiency, enabling monocrystalline solar panels to produce more power per square foot. This makes them an ideal choice for homeowners or businesses with limited space, or for those who want to maximize their energy production with fewer panels.
| Model No. | 72HD540 | 72HD545 | 72HD550 | 72HD555 | 72HD560 |
| Product Warranty | 12 Years | ||||
| Power Warranty | 30 Years of 84.95% Output Power | ||||
| Electrical Data at STC | |||||
| Maximum Power (Pmax) | 540 Wp | 545 Wp | 550 Wp | 555 Wp | 560 Wp |
| Voltage at Maximum Power (Vmpp) | 41.56 V | 41.76 V | 41.96 V | 42.16 V | 42.36 V |
| Current at Maximum Power (Impp) | 13 A | 13.05 A | 13.11 A | 13.17 A | 13.23 A |
| Open Circuit Voltage (Voc) | 49.7 V | 49.9 V | 50.1 V | 50.3 V | 50.5 V |
| Short Circuit Current (Isc) | 13.78 A | 13.83 A | 13.88 A | 13.93 A | 13.98 A |
| Panel Efficiency | 20.90% | 21.10% | 21.30% | 21.50% | 21.70% |
| Power Tolerance (Positive) | 1% | 1% | 1% | 1% | 1% |
| Standard Test Conditions (STC): air mass AM 1.5, irradiance 1000W/m2, cell temperature 25°C | |||||
| Electrical Data at NOCT | |||||
| Maximum Power (Pmax) | 408.6 Wp | 412.4 Wp | 416.2 Wp | 420 Wp | 423.8 Wp |
| Voltage at Maximum Power (Vmpp) | 38.45 V | 38.67 V | 38.9 V | 39.12 V | 39.31 V |
| Current at Maximum Power (Impp) | 10.62 A | 10.66 A | 10.7 A | 10.74 A | 10.79 A |
| Open Circuit Voltage (Voc) | 46.48 V | 46.74 V | 47.01 V | 47.28 V | 47.47 V |
| Short Circuit Current (Isc) | 11.04 A | 11.08 A | 11.12 A | 11.16 A | 11.2 A |
| Temperature | 45±2 °C | ||||
| Nominal Operating Cell Temperature (NOCT): 800W/m2, AM 1.5, windspeed 1m/s,ambient temperature 20°C | |||||
| Thermal Ratings | |||||
| Operating Temperature Range | 40~85 °C | ||||
| Temperature Coefficient of Pmax | 0.34 %/°C | ||||
| Temperature Coefficient of Voc | 0.28 %/°C | ||||
| Temperature Coefficient of Isc | 0.05 %/°C | ||||
| Maximum Ratings | |||||
| Maximum System Voltage | 1500 V | ||||
| Series Fuse Rating | 30 A | ||||
| Material Data | |||||
| Panel Dimension (H/W/D) | 2278x1134x30 mm | ||||
| Weight | 32.7 kg | ||||
| Cell Type | Bifacial | ||||
| Cell Number | 144 | ||||
| Glass Type | Anti-reflection Coating, Tempered | ||||
| Glass Thickness | 3.2 mm | ||||
| Frame Type | Anodized Aluminium Alloy | ||||
| Junction Box Diodes | 3 | ||||
| Junction Box Protection Class | IP 68 | ||||
| Cable Crossection | 4 mm2 | ||||
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