X New Energy Technology (Changzhou) Co., Ltd
X New Energy Technology (Changzhou) Co., Ltd Committed to improving the world with green energy
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Another advantage of half-cell solar panels is their improved performance in shaded or partially shaded conditions. In traditional full-cell solar panels, shading on one part of the panel can significantly impact the overall performance of the entire panel, as the electrical current is forced to flow through the shaded cells at a reduced rate. In contrast, half-cell solar panels are less susceptible to shading issues due to their unique cell layout and electrical configuration. When part of a half-cell panel is shaded, only the affected half-cells experience reduced performance, while the remaining half-cells continue to generate electricity at their full capacity. This feature makes half-cell solar panels a suitable option for installations where shading may be a concern, such as rooftops with chimneys or nearby trees.
| Model No. | JKM540M-72HL4/JKM540M-72HL4-V | JKM545M-72HL4/JKM545M-72HL4-V | JKM550M-72HL4/JKM550M-72HL4-V | JKM555M-72HL4/JKM555M-72HL4-V | JKM560M-72HL4/JKM560M-72HL4-V |
| Warranty | |||||
| Product Warranty | 12 Years | ||||
| Power Warranty | 25 Years of 84.8% Output Power | ||||
| Electrical Data at STC | |||||
| Maximum Power (Pmax) | 540 Wp | 545 Wp | 550 Wp | 555 Wp | 560 Wp |
| Voltage at Maximum Power (Vmpp) | 40.7 V | 40.8 V | 40.9 V | 40.99 V | 41.09 V |
| Current at Maximum Power (Impp) | 13.27 A | 13.36 A | 13.45 A | 13.54 A | 13.63 A |
| Open Circuit Voltage (Voc) | 49.42 V | 49.52 V | 49.62 V | 49.72 V | 49.82 V |
| Short Circuit Current (Isc) | 13.85 A | 13.94 A | 14.03 A | 14.12 A | 14.21 A |
| Panel Efficiency | 20.90% | 21.10% | 21.29% | 21.48% | 21.68% |
| Power Tolerance (Positive) | 3% | 3% | 3% | 3% | 3% |
| Standard Test Conditions (STC): air mass AM 1.5, irradiance 1000W/m2, cell temperature 25°C | |||||
| Electrical Data at NOCT | |||||
| Maximum Power (Pmax) | 402 Wp | 405 Wp | 409 Wp | 413 Wp | 417 Wp |
| Voltage at Maximum Power (Vmpp) | 38.08 V | 38.25 V | 38.42 V | 38.59 V | 38.69 V |
| Current at Maximum Power (Impp) | 10.55 A | 10.6 A | 10.65 A | 10.7 A | 10.77 A |
| Open Circuit Voltage (Voc) | 46.65 V | 46.74 V | 46.84 V | 46.93 V | 47.02 V |
| Short Circuit Current (Isc) | 11.19 A | 11.26 A | 11.33 A | 11.4 A | 11.48 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 | 0.35 %/°C | ||||
| Temperature Coefficient of Voc | 0.28 %/°C | ||||
| Temperature Coefficient of Isc | 0.048 %/°C | ||||
| Maximum Ratings | |||||
| Maximum System Voltage | 1500 V | ||||
| Series Fuse Rating | 25 A | ||||
| Material Data | |||||
| Panel Dimension (H/W/D) | 2278x1134x35 mm | ||||
| Weight | 28 kg | ||||
| Cell Type | Monocrystalline | ||||
| Cell Number | 144 | ||||
| Glass Type | Anti-reflection Coating, Tempered | ||||
| Glass Thickness | 3.2 mm | ||||
| Frame Type | Anodized Aluminium Alloy | ||||
| Junction Box Protection Class | IP 68 | ||||
| Cable Crossection | 4 mm2 | ||||
